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Muscle Flash Cards > All Muscles > Flashcards

All Muscles Flashcards

1
Q

Glueteus Maximus

A

Origin: Ilium, sacrum, coccyx, sacrotuberous ligament
Insertion: gluteal tuberosity, iliotibial tract
Action: Hip ER, EXT, ABD
Nerve: Inferior Gluteal Nerve (VR L5-S2)
Perfusion: inferior and superior gluteal aa/vv

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2
Q

Gluteus Medius

A

Origin: ilium (between iliac crest and A+P gluteal lines)
Insertion: Greater trochanter
Action: Hip IR, ABD, pelvic stabilization
Nerve: Superior gluteal (VR :L4-S1)
Perfusion: superior gluteal aa/vv

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3
Q

Gluteus Minimus

A

Origin: ilium (between A+I gluteal lines)
Insertion: Greater Trochanter
Action: Hip IR, ABD, Pelvic Stabilization
Nerve: Superior gluteal (VR L4-S1)
Perfusion: superior gluteal aa/vv

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4
Q

Tensor Fasciae Latae (TFL)

A 
Origin: iliac crest, anterior superior iliac spine
Insertion: iliotibial tract
Action: hip FLX, IR, ABD
Nerve: superior gluteal (VR L4-S1)
Perfusion: superior gluteal aa/vv
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5
Q

Superior Gemellus (triceps coxae)

A

Origin: ischial spine
Insertion: greater trochanter (via obturator internus tendon)
Action: Hip ER
Nerve: N. to superior gemellus + obturator internus (VR L5-S2)
Perfusion: ingerior gluteal aa/vv

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6
Q

Piriformis

A

Origin: anterior surface of sacrum, sacrotuberous ligament
Insertion: greater trochanter
Action: HIP ER
Nerve: N. to piriformis (VR S1-S2)
Perfusion: inferor and superior gluteal aa/vv

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7
Q

Obturator internus (triceps coxae)

A

Origin: ischiopubic rami, obturator membrane
Insertion: greater trochanter
Action: hip ER+ ABD
Nerve: N. to superior gemellus + obturator internus (VR L5-S2)
Perfusion: inferior gluteal aa/vv

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8
Q

Inferior Gemellus (triceps coxae)

A

Origin: ischial tuberosity
Insertion: greater trochanter ( via obturator internus tendon)
Action: Hip ER
Nerve: N. to inferior gemellus + quadratus femoris (VR L4-S1)
Perfusion: Inferior gluteal aa/vv

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9
Q

Quadratus Femoris

A 
Origin: ischial tuberosity
Insertion: intertrochanteric crest 
Action: Hip ER
Nerve: N. to inferior gemellus + quadratus femoris (VR L4-S1)
Perfusion: Inferior gluteal aa/vv
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10
Q

Semitendinosus

A 
Origin: ischial tuberosity
Insertion: medial tibia (pes anserinus)
Action: Hip ER, leg FLX + IR
Nerve: Tibial portion of sciatic (VR L4-S3)
Perfusion: Profundus Femoris
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11
Q

Semimembranosus

A 
Origin: ischial tuberosity
Insertion: Medial tibia (pes anserinus) 
Action: Hip ER, leg FLX + IR
Nerve: Tibial portion of sciatic (VR L4-S3)
Perfusion: Profundus Femoris
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12
Q

Biceps femoris long head

A 
Origin: ischial tuberosity
Insertion: head of fibula 
Action: Hip ER, leg FLX + IR
Nerve: Tibial portion of sciatic (VR L4-S3)
Perfusion: Profundus Femoris
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13
Q

Biceps Femoris Short Head

A

Origin: linea aspera, lateral supracondylar line
Insertion: head of fibula
Action: Leg FLX+ ER
Nerve: common fibular division of sciatic (VR L4-S3)
Perfusion: profundus femoris

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14
Q

iliacus

A 
Origin: iliac fossa, ala of sacrum (anterior sacroiliac ligament, iliac crest)
Insertion: lesser trochanter 
Action: Hip FLX
Nerve: Femoral ( VR L2-L4)
Perfusion: external iliac aa/vv
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15
Q

Psoas Major

A

Origin: transverse processes, intervertebral disks and bodies of T12-L5
Insertion: lesser trochanter
Action: hip, trunk FLX
Nerve: Subcostal Nerve (VR T 12 , VR L1-L3)
Perfusion: 12th anterior intercostal aa/vv, 1-3 lumbar aa/vv

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16
Q

Psoas Minor

A

Origin: Bodies and intervertebral disks of T12-L1
Insertion: lesser trochanter
Action: aids in trunk FLX
Nerve: Subcostal Nerve (VR T 12 , VR L1-L3)
Perfusion: 12th anterior intercostal aa/vv, 1-3 lumbar aa/vv

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17
Q

Iliopsoas

A 
Origin: iliac fossa, ala of sacrum, transverse processes + intervertebral disks and bodies of T12-L5
Insertion: lesser trochanter 
Action: Hip Flx
Nerve: Femoral (VR L2-L4) 
Perfusion:  Femoral aa/vv
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18
Q

Sartorious

A 
Origin: Anterior- superior iliac spine 
Insertion: Medial tibia (pes anserinus)
Action: Hip FLX + ER + ABD; leg FLX + IR
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv
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19
Q

Rectus Femoris ( quadriceps femoris)

A

Origin: anterior-inferior iliac spine, posterior superior rim of acetabulum
Insertion: base of patella, tibial tuberosity
Action: Hip FLX; Leg EXT
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv

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20
Q

Vastus Medialis ( quadriceps femoris)

A

Origin: intertrochanteric line, linea aspera, medial intermuscular septum
Insertion: medial side of patella, tibial tuberosity
Action: Leg EXT
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv

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21
Q

Vastus lateralis (Quadriceps Femoris)

A

Origin: intertrochanteric line, greater trochanter, linea aspera, gluteal tuberosity, lateral intermuscular septum
Insertion: lateral side of patella, tibial tuberosity
Action: leg EXT
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv

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22
Q

Vastus Intermedius (quadriceps femoris)

A

Origin: upper shaft of femur, lower lateral intermuscular septum
Insertion: upper border of patella, tibial tuberosity
Action: Leg EXT
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv

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23
Q

Pectineus

A 
Origin: pectineal line of pubis
Insertion: pectineal line of femur
Action: Hip ADD, FLx
Nerve: Femoral + obturator (VR L2-L4)
Perfusion: Femoral + obturator aa/vv
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24
Q

Articularis Genu

A 
Origin: distal femur
Insertion: suprapatellar bursa
Action: pulls suprapatella bursa superiorly
Nerve: Femoral (VR L2-L4)
Perfusion: Femoral aa/vv
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25
Q

Adductor Longus

A 
Origin: body of pubis
Insertion: middle third of linea aspera
Action: Hip ADD, FLX
Nerve: Obturator (VR (L2-L4)
Perfusion: obturator aa/vv
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26
Q

Adductor brevis

A 
Origin: body and inferior pubic ramus
Insertion: pectineal line of femur, upper part of linea aspera
Action: Hip ADD, FLX
Nerve: Obturator (VR (L2-L4)
Perfusion: obturator aa/vv
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27
Q

Adductor magnus

A

Origin: ischiopubic ramus, ischial tuberosity
Insertion: linea aspera, medial supracondylar line, adductor tubercle
Action: Hip ADD, FLX
Nerve: Obturator (VR (L2-L4) Sciatic (VR L4-S3)
Perfusion: obturator + profundus femoris aa/vv

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28
Q

Gracilis

A 
Origin: Body and inferior pubic ramus
Insertion: medial tibia (pes anserinus
Action: Hip ADD + FLX; leg FLX + IR
Nerve: Obturator (VR (L2-L4)
Perfusion: obturator aa/vv
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29
Q

Obturator Externus

A

Origin: margin of obturator foramen and obturator membrane
Insertion: intertrochanteric fossa of femur
Action: Hip ER, ADD
Nerve: Obturator (VR (L2-L4)
Perfusion: obturator aa/vv

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30
Q

Anterior Tibialis

A

Origin: lateral tibial condyle, interosseous membrane
Insertion: base of first metatarsal, medial cuniform
Action: Foot DF+ INV
Nerve: Deep fibular (VR L4-S3)
Perfusion: anterior tibial aa/vv

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31
Q

Extensor Digitorum Longus

A 
Origin: lateral tibial condyle, interosseous membrane
Insertion: #2-5 extensor expansion hood
Action: Foot DF, EXT 2-5 MTP, PIP, DIP 
Nerve: Deep fibular (VR L4-S3)
Perfusion: anterior tibial aa/vv
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32
Q

Extensor Hallucis Longus

A 
Origin: Fibula, Interosseous membrane
Insertion: first extensor expansion hood
Action: Food DF; EXT 2-5 MTP, PIP, DIP
Nerve: Deep fibular (VR L4-S3)
Perfusion: anterior tibial aa/vv
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33
Q

Fibularis Tertius

A 
Origin: Fibula, Interosseous membrane
Insertion: Base of 5th metatarsal 
Action: Foot DF+ EV
Nerve: Deep fibular (VR L4-S3)
Perfusion: anterior tibial aa/vv
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34
Q

Fibularis Longus

A 
Origin: fibular head
Insertion: base of first metatarsal, medial cuneiform 
Action: Foot EV + PF
Nerve: Superficail fibular (VR L4-S3)
Perfusion: fibular aa/vv
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35
Q

Fibularis Brevis

A 
Origin: fibula, interosseous membrane
Insertion: base of 5th metatarsal
Action: Foot EV + PF
Nerve: Superficail fibular (VR L4-S3)
Perfusion: fibular aa/vv
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36
Q

Gastrocnemius (triceps surae)

A

Origin: lateral and medial femoral condyles
Insertion: posterior aspect of calcaneus via calcaneus (achilles tendon)
Action: leg FLX; foot PF
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv

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37
Q

Soleus (triceps surae)

A

Origin: fibular head, soleal line of tibia
Insertion: posterior aspect of calcaneus via calcaneus (achilles tendon)
Action: foot PF
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv

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38
Q

Plantaris (triceps surae)

A

Origin: lateral supracondylar ridge of femur + obluique popliteal ligament
Insertion: posterior aspect of calcaneus via calcaneus (achilles tendon)
Action: Leg FLX; foot PF
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv

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39
Q

Posterior tibialis

A

Origin: interosseous membrane, upper tibia and fibula
Insertion: navicular tuberosity, three cuneiforms, cuboid bone, bases of metatarsals 2-4, sustentalculum tali
Action: foot PF + INV
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv

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40
Q

Flexor digitorum longus

A 
Origin: posterior tibia, interosseous membrane
Insertion: distal phalanges 2-5
Action: foot PF; FLX 2-5 MTP, PIP, DIP 
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv
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41
Q

Flexor Hallucis Longus

A 
Origin: fibula, interosseous membrane 
Insertion: first distal phalanx
Action: foor PF' FLX 1st MTP and IP
Nerve: Tibial (VR L4-S3)
Perfusion: posterior tibial aa/vv
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42
Q

Popliteus

A 
Origin: lateral condyle of femur, oblique popliteal ligament, lateral meniscus
Insertion: posterior tibia
Action: unlock knee
Nerve: Tibial (VR L4-S3)
Perfusion: popliteal aa/vv
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43
Q

Extensor Hallucis Brevis

A 
Origin: Dorsal Calcaneus
Insertion: first extensor expansion hood
Action: EXT 1st IP of foot and MTP
Nerve: Deep fibular (VR L4-S3) 
Perfusion: Dorsal pedis aa/vv
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44
Q

Extensor digitorum brevis

A 
Origin: Dorsal Calcaneus 
Insertion: 2-5 extensor expansion hood
Action: EXT 2-5 MTP, PIP, and DIP
Nerve: Deep Fibular (VR L4-S3)
Perfusion: dorsal pedis aa/vv
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45
Q

Abductor Hallucis

A 
Origin: Calcaneus
Insertion: 1st proximal phalanx
Action: ABD big toe
Nerve: medial plantar (VR L4-S3)
Perfusion: medial plantar aa/vv
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46
Q

Abductor digiti minimi

A 
Origin: Calcaneus
Insertion: 5th Proximal Phalange
Action: ABD little toe
Nerve: lateral plantar (VR L4-S3)
Perfusion: lateral plantar aa/vv
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47
Q

Flexor digitorum brevis (first layer)

A 
Origin: Calcaneus
Insertion: middle phalanges 2-5
Action: FLX 2-5 MTP and PIP
Nerve: medial plantar (VR L4-S3)
Perfusion: medial plantar aa/vv
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48
Q

flexor hallucis brevis

A 
Origin: cuboid, lateral cuneiform
Insertion: 1st proximal phalanx
Action: FLX 1st MTP
Nerve: medial plantar (VR L4-S3)
Perfusion: medial plantar aa/vv
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49
Q

Flexor digiti minimi brevis (second layer)

A 
Origin: base of 5th Metatarsal
Insertion: 5th proximal phalange
Action: FLX 5th MTP
Nerve: lateral plantar (VR L4-S3)
Perfusion: lateral plantar aa/vv
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50
Q

Quadratus plantae (second layer)

A 
Origin: calcaneus 
Insertion: tendons of flexor digitorum longus
Action: aid FDL actions (foot arch)
Nerve: Lateral Plantar (VR L4-S3)
Perfusion: lateral plantar aa/vv
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51
Q

lumbricals

A

Origin: tendons of flexor digitorum
Insertion: 2-5 extensor expansion hood
Action: FLx 2-5 MTP; EXT 2-5 PIP and DIP
Nerve: #1 lumbrical medial plantar n (VR L4-S3) #2-4 lateral plantar L4-S3
Perfusion: #1 lumbrical medial plantar aa/vv, #2-4 lumbricals lateral plantar

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52
Q

Adductor hallucis

A 
Origin: Transverse: metatarsals 2-5; Oblique metatarrsals 2-4
Insertion: 1st proximal phalanx
Action: ADD big toe
Nerve: lateral plantar VR L4-S3
Perfusion: lateral plantar aa/vv
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53
Q

Dorsal interosseous (4)

A 
Origin: all metatarsals
Insertion: proximal phlanage 2-4
Action: ABD digits 1,3,4,5 from digit 2 (at MTP)
Nerve: lateral plantar VR L4-S3
Perfusion: lateral plantar
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54
Q

plantar interosseous

A 
Origin: medial aspect of metatarsals 3-5
Insertion: proximal phalange 3-5
Action: ADD digits 3-5 (at MTP)
Nerve: lateral plantar VR L4-S3
Perfusion: lateral plantar aa/vv
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55
Q

Trapezius

A

Origin: External occipital protuberance, superior nucheal line, SPs C7-T12
Insertion: Scapular spine, acromion, clavicle
Action: depresses, elveates, ADD, rotates scapula
Nerve: CN XI spinal accessory, spinal cord segments C1-C4
Perfusion: transverse cervical aa/vv

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56
Q

Levator scapulae

A 
Origin: TP C1-C4
Insertion: medial scapular border
Action: elevates scapula
Nerve: Dorsal Scapular (DR C3-C5 )
Perfusion: dorsal scapular aa/vv
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57
Q

Rhomboids major

A 
Origin: SP T2-T5
Insertion: medial scapular border
Action: ADD scapula 
Nerve: Dorsal Scapular (DR C3-C5 )
Perfusion: dorsal scapular aa/vv
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58
Q

Rhomboids minor

A 
Origin: SP C7-T1
Insertion: medial scapular border
Action: Add scapula 
Nerve: Dorsal Scapular (DR C3-C5 )
Perfusion: dorsal scapular aa/vv
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59
Q

Latissimus Dorsi

A

Origin: SP T7-T12, thorcodorsal fascia, iliac crest, ribs 9-12
Insertion: intertuburcular groove or bicipital groove of humerus
Action: Add, Ext, IR, depresse scapula
Nerve: Thoracodorsal (VR C5-T1)
Perfusion: thoracodorsal aa/vv

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60
Q

Serratus posterior superrior

A

Origin: nuchal ligament, suprspinosus ligament, spines of C7-T3
Insertion: ribs 2-5
Action: elevates ribs (inspiration)
Nerve: posterior intercostal nn 2-5 (DR T2-T5)
Perfusion: posterior intercostal aa/vv 2-5

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61
Q

serratus posterior inferior

A

Origin: supraspinous ligament, spines of T11-L2
Insertion: Ribs 9-12
Action: depresses ribs (expiration)
Nerve: posterior intercostal nn 9-12 (DR T9-T12)
Perfusion: posterior intercostal aa/vv 9-12

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62
Q

serratus posterior inferior

A

Origin: supraspinous ligament, spines of T11-L2
Insertion: Ribs 9-12
Action: depresses ribs (expiration)
Nerve: posterior intercostal nn 9-12 (DR T9-T12)
Perfusion: posterior intercostal aa/vv 9-12

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63
Q

Splenius capitis

A

Origin: nuchal ligament, SP C7-T13
Insertion: mastoid process, superrior nuchal line
Action: bilateral: extend head, unilateral; ipsilateral flexion (SB)
Nerve: deep cervical (DR C3-C8)
Perfusion: deep cervical aa/vv

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64
Q

splenius cervicis

A 
Origin: nuchal ligament, SP T3-T6
Insertion: TP C1-C3
Action: bilateral: extend head/neck , unilateral; ipsilateral flexion (SB)
Nerve: deep cervical (DR C3-C8)
Perfusion: deep cervical aa/vv
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65
Q

iliocostalis-cervicis, thoracis, lumborum (erector spinae)

A

Origin: tendon on iliac crest, suprspinosus ligament, lumbar and sacral SPs, sacrum
Insertion:
Action: bilateral; extend spine, ipsilateral; ipsilateral flexion (SB)
Nerve: lumborum (lumbar nerve DR L1-L5) thoracic (posterior intercostal DR T1-T12, cervicis ( deep cervical DR C3-C8)
Perfusion: lumborum :lumbar aa/vv 1-5, thoracic: posterior intercostal aa/vv 1-12, cervicis: deep cervical aa/vv

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66
Q

longissimus-capitis, cervicis, thoracis, lumborum

A

Origin: tendon on iliac crest, suprspinosus ligament, lumbar and sacral SPs, sacrum
Insertion: ribs, TP in thoracic and cervical region, capitis inserts on mastoid process
Action: bilateral; extend spine, ipsilateral; ipsilateral flexion (SB)
Nerve: lumborum (lumbar nerve DR L1-L5) thoracic (posterior intercostal DR T1-T12, cervicis ( deep cervical DR C3-C8)
Perfusion: lumborum :lumbar aa/vv 1-5, thoracic: posterior intercostal aa/vv 1-12, cervicis: deep cervical aa/vv

67
Q

spinalis- capitis, cervicis, thoracis, lumborum (Erector Spinae)

A

Origin: tendon on iliac crest, suprspinosus ligament, lumbar and sacral SPs, sacrum
Insertion: SPs of thoracic and cervical region; capitis inserts on superior nuchal line
Action: bilateral; extend spine, ipsilateral; ipsilateral flexion (SB)
Nerve: lumborum (lumbar nerve DR L1-L5) thoracic (posterior intercostal DR T1-T12, cervicis ( deep cervical DR C3-C8)
Perfusion: lumborum :lumbar aa/vv 1-5, thoracic: posterior intercostal aa/vv 1-12, cervicis: deep cervical aa/vv

68
Q

rectus capitis posterior minor capitis

A 
Origin: C1 posterior tubercle
Insertion: inferior nuchal line 
Action: bilateral: extend head, ipsilateral: ipsilateral flexion (SB) of head/neck
Nerve: suboccipital DR C1
Perfusion: vertebral aa/vv
69
Q

rectus capitis posterior major

A 
Origin: SP C2
Insertion: inferior nuchal line
Action: bilateral: extend head, ipsilateral: ipsilateral flexion (SB) of head/neck
Nerve: suboccipital DR C1
Perfusion: vertebral aa/vv
70
Q

inferior capitis oblique

A 
Origin: SP C2
Insertion: TP C1
Action: bilateral: extend head, ipsilateral: ipsilateral flexion (SB) of head/neck
Nerve: suboccipital DR C1
Perfusion: vertebral aa/vv
71
Q

Superior capitis oblique

A 
Origin: TP C1
Insertion: inferior nuchal line
Action: bilateral: extend head, ipsilateral: ipsilateral flexion (SB) of head/neck
Nerve: suboccipital DR C1
Perfusion: vertebral aa/vv
72
Q

Semispinalis- capitis, cervicis, thoracis, lumborum

A

Origin: TP C4-T12 but all TPs
Insertion: 6 SPs above
Action: bilateral: extend spine, unilateral: contrelateral ROT nect
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

73
Q

multifidus- capitis, cervicis, thoracis, lumborum (transverospinal)

A

Origin: TPs; lumborum includes sacrum and ilium
Insertion: 4 SPs above
Action: bilateral: extend spine, unilateral: contrelateral ROT nect
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

74
Q

Rotatores longus - capitis, cervicis, thoracis, lumborum ( transverospinal

A

Origin: TPs
Insertion: 2 SPs aboce
Action: bilateral: extend spine, unilateral: contrelateral ROT nect
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

75
Q

Rotatores brevis- capitis, cervivis, thoracis, lumborum (transverospinal)

A

Origin: TPs
Insertion: 1 SP above
Action: bilateral: extend spine, unilateral: contrelateral ROT nect
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

76
Q

Levator costarum longus

A 
Origin: TPs C7-T11
Insertion: 2 ribs below
Action: elevate rib cage
Nerve: posterior intercostal (DR T1-T12)
Perfusion: posterior intercostal aa/vv
77
Q

levator costarum brevis

A 
Origin: TPs C7-T11
Insertion: 1 ribs below
Action: elevate rib cage
Nerve: posterior intercostal (DR T1-T12)
Perfusion: posterior intercostal aa/vv
78
Q

Interspinalis- cervicis, thoracis, lumborum

A

Origin: SPs
Insertion: SPs
Action: aid in EXT
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

79
Q

Intertransversarius- cervicis, thoracis, lumborum

A

Origin: TPs
Insertion: TPs
Action: aid in lateral FLX
Nerve: lumborum: lumbar DR L1-L5, thoracic: posterior intercostal DR T1-T12, cervicis/capitis: deep cervical DR c3-C8
Perfusion: lumborum: lumbar aa/vv 1-5, thoracic: posterior intercoastal aa/vv 1-12, cervicis/capitis: deep cervical aa/vv

80
Q

Quadratus Lumborum

A

Origin: iliac crest
Insertion: 12th rib
Aciton: depresses rib cage, ipsilateral flexion
Nerve: subcostal n VR T12, VR L1-L3
Perfusion: 1-3 lumbar aa/vv, 12th anterior intercostal aa/vv

81
Q

Platysma (cervical)

A

Origin: superficial fascia over upper deltoid and pectoralis major
Insertion: mandible, skin/muscles over mandible and angle of mouth
Aciton: depresses lower jaw, lip, and angle of mouth, wrinkles on neck
Nerve: CN VII facial cervical branch
Perfusion: occipital aa/vv

82
Q

sternocleidomastoid

A

Origin: manubrium and clavicle
Insertion: mastoid process
Aciton: bilaterally: FLX head/neck, contralateral ROTof head/neck
Nerve: CNXI spinal accesory, C1-C4 spinal cord segments
Perfusion: Occipital aa/vv

83
Q

digastric anterior belly (suprahyoid)

A 
Origin: mandible
Insertion: hyoid
Aciton: colitional swallowing
Nerve: CN III trigeminal mandibular division
Perfusion: superiror thyroid aa/vv
84
Q

digastric posterior belly

A 
Origin: hyoid
Insertion: mastoid process
Aciton: colitional swallowing
Nerve: CN VII facial nn mandibular branch
Perfusion: superiror thyroid aa/vv
85
Q

mylohyoid

A 
Origin: mandible
Insertion: hyoid 
Aciton: colitional swallowing
Nerve: CN III trigeminal mandibular division
Perfusion: superiror thyroid aa/vv
86
Q

stylohyoid

A 
Origin: styloid process
Insertion: hyoid 
Aciton: colitional swallowing
Nerve: CN VII facial mandibular branch
Perfusion: superiror thyroid aa/vv
87
Q

geniohyoid

A 
Origin: mandible
Insertion: hyoid
Aciton: colitional swallowing
Nerve: CN XII hypoglosseal nn
Perfusion: superiror thyroid aa/vv
88
Q

Sternohyoid (infrahyoid)

A 
Origin: sternum
Insertion: hyoid
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
89
Q

sternothyroid

A 
Origin: sternum
Insertion: thyroid cartilage 
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
90
Q

thyrohyoid

A 
Origin: thyroid cartilage 
Insertion: hyoid 
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
91
Q

Omohyoid inferior belly

A 
Origin: suprscapular notch or suprascapular ligament
Insertion: intermediate tendon
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
92
Q

omohyoid superior belly

A 
Origin: intermediate tendons
Insertion: hyoid 
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
93
Q

cricothyroid

A 
Origin: crico cartilage (on larynx)
Insertion: thyroid cartilage 
Action: Volitional swallowing
Nerve: ansa cervicales VR C1-C4
Perfusion: inferior thyroid aa/vv
94
Q

Anterior scalene

A 
Origin: TPs C3-C6
Insertion: 1st rib
Action: elevates 1st rib; bends neck
Nerve: VR C5-C6
Perfusion: Occipital aa/vv
95
Q

Middle scalene

A 
Origin: TPs C2-C7
Insertion: 1st rib 
Action: elevates 1st rib, bends neck 
Nerve: VR C3-C8
Perfusion: Occipital aa/vv
96
Q

Posterior Scalene

A 
Origin: TPs C5-C7
Insertion: 2nd rib
Action: elevates second rib, bend neck
Nerve:  VR C6-C8
Perfusion: Occipital aa/vv
97
Q

Longus Capitis

A 
Origin: TPs C3-C6
Insertion: occipital bone
Action: bilateral: erection, flecion, protract head
Nerve: VR c1-C4
Perfusion: Occipital aa/vv
98
Q

longus colli- cervicis

A

Origin: TP C3-T3
Insertion: anterior bodies of C2-C6, anterior tubercle of C1
Action: Bilateral: erection, flexion, protract head, Unilateral: contrelateral rotation
Nerve: VR C2-C8
Perfusion: Occipital aa/vv

99
Q

Rectus capitis anterior

A 
Origin: TP C1
Insertion: occipital bone
Action: bilateral: FLX; ipsilateral flexion of head
Nerve: VR C1-C2
Perfusion: Occipital aa/vv
100
Q

rectus capitis lateralis

A 
Origin: TP C1
Insertion: occipital bone
Action: bilateral: FLX; ipsilateral flexion of head
Nerve: VR C1-C2
Perfusion: Occipital aa/vv
101
Q

Pectoralis Major (Anterior Chest)

A

Origin: calvicle, manubrium, sternum, costal caritlage
Insertion: intertuburcular groove of humerus
Action: FLX, ADD, and internal rotation of arm
Nerve: medial + lateral pectoral n (VR C15-T1)
Perfusion: pectoral aa/vv

102
Q

Pectoralis minor (Anterior Chest)

A 
Origin: ribs 3-5
Insertion: coracoid process 
Action: depresses scapula, elevates ribs
Nerve: medial + lateral pectoral nn. (VR C5-T1)
Perfusion: pectoral aa/vv
103
Q

Serratus anterior (Anterior Chest)

A 
Origin: ribs 2-8
Insertion:medial scapula border 
Action: brings scapula towards rib cage and protraction 
Nerve: long thoracic nn (VR C5-C7)
Perfusion: lateral thoracic aa/vv
104
Q

Subclavius (anterior chest)

A 
Origin: costal cartilage of rib 1
Insertion: clavicle 
Action: depresses lateral part of clavicle 
Nerve: nerve to subclavius (VR C5-C6)
Perfusion: clavicular aa/vv
105
Q

External intercostal (intercostals)

A

Origin: rib
Insertion: rib
Action:
Nerve: anterior intercostal nn (VR T1-T12) posteriror intercostal (DR T1-T12)
Perfusion: anterior + posterior intercostal aa/vv

front pocket striations

106
Q

Internal intercostals (intercostals)

A

Origin: rib
Insertion: rib
Action: expiration
Nerve: anterior intercostal nn (VR T1-T12) posteriror intercostal (DR T1-T12)
Perfusion: anterior + posterior intercostal aa/vv

back pocket striations

107
Q

subscapularis (posterior chest)

A 
Origin: subscapular fossa 
Insertion: lesser tubercle 
Action: ADD, IR of shoulder 
Nerve: upper and lower subscapular nn (VR C5-T1)
Perfusion: subscapular aa/vv
108
Q

Transverse thoracis

A 
Origin: sternum, xiphoid process
Insertion: ribs 2-6
Action: expiration
Nerve: anterior intercostal nn 2-6 (VR T2-T6)
Perfusion:anterior intercostal aa/vv 2-6
109
Q

innermost intercostal (intercostals)

A

Origin: rib
Insertion: rib
Action: inspiration
Nerve: anterior intercostal nn (VR T1-T12) posteriror intercostal (DR T1-T12)
Perfusion: anterior + posterior intercostal aa/vv

up/down striations

110
Q

Subcostalis (intercostal)

A 
Origin: ribs
Insertion: ribs (2-3 levels inferior) 
Action: inspiration
Nerve: posterior intercostal nn ( DR T1-T12)
Perfusion: posterior intercostal nn
111
Q

Deltoid (posterior chest)

A

Origin: clavicle, acromion, scapular spine
Insertion: deltoid tuberosity
Action: anteiror head: FLX, IR, middle head: ABD (>15 degrees), posterior head: EXT, ER
Nerve: axillary nn (VR C5-T1)
Perfusion: deltoid aa/vv

112
Q

Supraspinatus (posterior chest)

A 
Origin: supraspinous fossa
Insertion: greater tubercle 
Action: ABD shoulder (between 0-15 degrees)
Nerve: sprascapular nn (VR C5-C6)
Perfusion: suprascapular aa/vv
113
Q

Infraspinatus

A 
Origin: infraspinous fossa
Insertion: greater tubercle 
Action: ER shoulder 
Nerve: suprascapular (VR C5-C6)
Perfusion: suprascapular aa/vv
114
Q

teres major (posterior chest)

A 
Origin: inferior angle of scapula 
Insertion: intertubercular groove of humerus 
Action: ADD, IR of shoulder
Nerve: lower subscapular (VR C5-T1)
Perfusion: circumflex scapular aa/vv
115
Q

teres minor (posterior chest)

A 
Origin: lateral border of scapula 
Insertion: greater tubercle
Action: ER of shoulder
Nerve: axilalary nn (VR C5-T1)
Perfusion: circumflex scapular
116
Q

Biceps brachii (short head) [anterior arm]

A

Origin: coracoid process
Insertion: radial tuberosity via bicepital aponeurosis
Action: FLX shoulder; supinate and FLX elbow
Nerve: musculocutaneous (VR C5-C7)
Perfusion: brachial aa/vv

117
Q

Biceps Brachii (long head) [anterior arm]

A

Origin: supraglenoid tubercle
Insertion: radial tuberosity via bicepital aponeurosis
Action: FLX shoulder; supinate and FLX elbow
Nerve: musculocutaneous (VR C5-C7)
Perfusion: brachial aa/vv

118
Q

Coracobrachialis [anterior arm]

A 
Origin: coracoid process
Insertion: humerus
Action: FLX, ADD shoulder
Nerve: musculocutaneous (VR C5-C7)
 Perfusion: brachial aa/vv
119
Q

Brachialis [anterior arm]

A 
Origin: humerus 
Insertion: coronoid process, ulnar tuberosity 
Action: FLX elbow, pronates 
Nerve: musculocutaneous (VR C5-C7)
 Perfusion: brachial aa/vv
120
Q

Tricep brachii (long head) [posterior arm]

A 
Origin: infraglenoid tubercle 
Insertion: Olecranon process
Action: EXT elbow; EXT shoulder 
Nerve: radial nn (VR C5-T1)
Perfusion: profoundus brachii aa/vv
121
Q

Tricep brachii (lateral head) [posterior arm]

A 
Origin: superior radial groove
Insertion: Olecranon process
Action: EXT elbow
Nerve: radial nn (VR C5-T1)
Perfusion: profoundus brachii aa/vv
122
Q

Tricep brachii (medial head) [posterior arm]

A 
Origin: inferior radial grooce 
Insertion: Olecranon process
Action: EXT elbow; EXT shoulder 
Nerve: radial nn (VR C5-T1)
Perfusion: profoundus brachii aa/vv
123
Q

Anconeus [posterior arm]

A 
Origin: lateral epicondyle of humerus 
Insertion: Olecranon process
Action: EXT elbow; EXT shoulder 
Nerve: radial nn (VR C5-T1)
Perfusion: profoundus brachii aa/vv
124
Q

Pronator teres [superficial anterior forearm]

A 
Origin: medial epicondyle of humerus 
Insertion: radius
Action: pronates and FLX elbow
Nerve: median nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv
125
Q

Flexor carpi radialis [superfical anterior forearm]

A 
Origin: medial epicondyle of humerus 
Insertion: metacarpals 2-3
Action: FLX elbow; FlX and radial deviation of hand 
Nerve: median nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv
126
Q

Palmaris longus [superior anterior forearm]

A 
Origin: medial epicondyle of humerus 
Insertion: flexor retinaculum _ palmar aponeurosis
Action: FLX elbow; FLX hand
Nerve: median nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv
127
Q

Flexor digitorum superficialis [superior anterior forearm]

A 
Origin: medial epicondyle of humerus 
Insertion: middle phalanges 2-5
Action: FLX MCP/PIP 2-5, FLX hand; FLX elbow
Nerve: median nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv
128
Q

Flexor carpi ulnaris [superficial anterior forearm]

A

Origin: medial epicondyle of humerus
Insertion: 5th metcarpal, hook of hamate, pisiform
Action: FLX elbow; FL and ulnar deviation
Nerve: ulnar nn (VR C8-T1)
Perfusion: radial + ulnar aa/vv

129
Q

Flexor pollicis longus [deep anterior forearm]

A

Origin: radius, interosseous membrane
Insertion: distal phlange 1st digit
Action: FLX wrist; FLX MCP/IP of digit 1
Nerve: anterior interosseous nn (VR C5-T1)
Perfusion: anterior interosseus aa/vv

130
Q

Flexor digitorum profundus [ deep anterior forearm]

A

Origin: ulna, interosseous membrane
Insertion: distal phlanges 2-5
Action: FLX wrist; FLX MCP/PIP/ DIP of digits 2-5
Nerve: anterior interosseous nn (VR C5-T1), ulnar nn (VR C8-T1)
Perfusion: anterior interosseus aa/vv

131
Q

Pronator Quadratus [Deep anterior forearm]

A 
Origin: distal ulna 
Insertion: distal radius 
Action: pronation of wrist 
Nerve: anterior interosseous nn (VR C5-T1)
Perfusion: anterior interosseus aa/vv
132
Q

Brachioradialis [ superficial posterior forearm]

A

Origin: lateral supracondylar ridge of humerus
Insertion: radial styloid process
Action: FLX elbow, pronate/supinate forearm
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

133
Q

Extensor carpi radialis longus superficial posterior forearm]

A

Origin: lateral supracondylar ridge of humerus
Insertion: 2nd metacarpal
Action: EXT elbow; EXT and radial deviation of hand
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

134
Q

Extensor carpi radialis brevis [superficial posterior frorearm]

A

Origin: lateral epicondyle of the humerus
Insertion: 3rd metacarpal
Action: EXT elbow; EXT and radial deviation of hand
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

135
Q

Extensor digitorum communis [superior posterior forearm]

A

Origin: lateral epicondyle of the humerus
Insertion: extensor expansion hood 2-5
Action: EXT MCP/PIP/DIP digits 2-5; EXT hand; EXT elbow
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

136
Q

Extensor digit minimi [superficial posteriror forearm]

A

Origin: lateral epicondyle of the humerus
Insertion: extensor expanison hood 5
Action: EXT 5th digit; EXT hand, EXT elbow
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

137
Q

Extensor carpi ulnaris [superficial posterior forearm]

A

Origin: lateral epicondyle of the humerus
Insertion: 5th metacarpal
Action: EXT and ulnar deviation of hand; EXT elbow
Nerve: deep radial nn (VR C5-T1)
Perfusion: radial + ulnar aa/vv

138
Q

Supinator [deep posterior forearm]

A

Origin: lateral epicondyle of the humerus
Insertion: radius
Action: supination
Nerve: posterior interosseous nn (VR C5-T1)
Perfusion: posterior interosseous aa/vv

139
Q

Extensor indicis [Deep posterior forearm]

A

Origin: interosseous membrane, ulna
Insertion: extensor expansion hood 2
Action: EXT wrist; EXT MCP/PIP/ DIP of index finger
Nerve: posterior interosseous nn (VR C5-T1)
Perfusion: posterior interosseous aa/vv

140
Q

Extensor pollicis longus [deep posterior forearm]

A 
Origin: interosseous membrane, ulna 
Insertion: extensor expansion hood 1 
Action: EXT MCP/IP of thumb; EXT hand 
Nerve: posterior interosseous nn (VR C5-T1)
Perfusion: posterior interosseous aa/vv
141
Q

Extensor pollicis brevis [deep posterior forearm]

A 
Origin: interosseous membrane, radius 
Insertion: extensor expansion hood 1 
Action: EXT MCP/IP of thumb; EXT hand 
Nerve: posterior interosseous nn (VR C5-T1)
Perfusion: posterior interosseous aa/vv
142
Q

abductor pollicis longus [deep posterior forearm]

A

Origin: interosseous membrane, ulna, radius
Insertion: 1st metacarpal
Action: EXT, ABD of 1st digit; EXT hand
Nerve: posterior interosseous nn (VR C5-T1)
Perfusion: posterior interosseous aa/vv

143
Q

Palmaris brevis

A

Origin: flexor retinaculum, palmar aponeurosis
Insertion: skin of palmar hand
Action: wrinkles of skin on medial side- helps you cup your hand
Nerve: superficial ulna nn (VR C8-T1)
Perfusion: ulnar aa/vv

144
Q

Abductor pollicis brevis [Hand-thenar]

A

Origin: flexor retinaculum, scaphoid, trapezium
Insertion: 1st proximal phalange
Action: ABD thumb
Nerve: median nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv

145
Q

Flexor pollicis brevis (superficial head) [Hand-thenar]

A 
Origin: flexor retinaculum, trapezium
Insertion: 1st proximal phlange 
Action: FLX MCP 1
Nerve: median nn (VR C5-T1)
Perfusion: superficial and deep palmar arches aa/vv
146
Q

Flexor pollicics brevis (deep head) [hand-thenar]

A 
Origin: flexor retinaculum, trapezium 
Insertion: 1st proximal phalange
Action: FLX MCP 1
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv
147
Q

Opponens pollicis [hand-thenar]

A 
Origin: flexor retinaculum 
Insertion: 1st metacarpal
Action: opposition of thumb
Nerve: median nn (VR C5-T1)
Perfusion: superficial and deep palmar arches aa/vv
148
Q

Abductor digit minimi [hand- hypothenar]

A

Origin: pisiform, flexor carpi ulnaris tendon
Insertion: 5th proximal phalange
Action: ABD little finger
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv

149
Q

Flexor digiti minimi brevis [hand-hypothenar]

A

Origin: flexor retinaculum, hook of hamate
Insertion: 5th proximal phalange
Action: FLX MCP 5
Nerve: deep ulnar (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv

150
Q

Opponenes digiti minimi [hand-hypothenar]

A

Origin: flexor retinaculum, hook of hamate
Insertion: 5th metacarpal
Action: opposition of little finger
Nerve: deep ulnar (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv

151
Q

Lumbricals (1-2) [hand- valley]

A

Origin: flexor digitorum profundus tendon
Insertion: extension expansion hood 2-3
Action: FLX MCP 2-3, EXT PIP/DIP 2-3
Nerve: median nn (VR C5-T1)
Perfusion: superficial and depp palmar arches aa/vv

152
Q

Lumbricals mm (3-4) [hand-valley]

A

Origin: flexor digitorum profundus tendon
Insertion: extension expansion hood 4-5
Action: FLX MCP 4-5, EXT PIP/DIP 4-5
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and depp palmar arches aa/vv

153
Q

Adductor pollicis (transverse head) [hand-valley]

A 
Origin: metacarpal 3
Insertion: 1st proximal phlange
Action: ADD thumb
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv
154
Q

Adductor pollicis (oblique head) [hand-valley]

A 
Origin: capitate, metacarpals2-3
Insertion: 1st proximal phalange
Action: ADD thumb
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv
155
Q

Palmar interossei (3) (hand- valley)

A 
Origin: metacarpals 2,4,5 
Insertion: proximal phalanges 2,4,5
Action: ADD digits 2,4,5
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: superficial and deep palmar arches aa/vv
156
Q

Dorsal interossei (4) (Hand- Valley)

A 
Origin: metcarpals 1-5
Insertion: proximal phalanges 2-4
Action: ABD digits 2-4
Nerve: deep ulnar nn (VR C8-T1)
Perfusion: dorsal arches aa/vv
157
Q

Rectus abdominus (abdominals)

A

Origin: pubic crest and pubic symphysis
Insertion:xiphoid process and costal carilage (5-7)
Action: FLX trunk, forced expiration
Nerve: thoracoabdominal VR T7-T11 + subcostal VR T12
Perfusion: superiror and inferior epigastric aa/vv

158
Q

External abdominal oblique (abdominals)

A

Origin: ribs 5-12
Insertion: iliac crast, ASIS, pubic bone, linea alba
Action: compresses abdomen, FLX trunk, forced expiration
Nerve: thoracoabdominal VR T7-T11 + subcostal VR T12
Perfusion: superiror and inferior epigastric aa/vv

159
Q

Internal abdominal oblique (abdominals)

A

Origin: inguinal ligament, iliac crest, thoracolumbar fascia
Insertion: linea alba, pubic bone, costal cartialge 9-12
Action: compresses abdomen, FLX trunk, forced expiration
Nerve: thoracoabdominal VR T7-T11 + subcostal VR T12
Perfusion: superiror and inferior epigastric aa/vv

160
Q

Transverse abdominus (abdominals)

A

Origin: inguinal ligament, iliac crest, thoracolumbar fascia, costal cartilages 7-12
Insertion: linea alba, pubic bone
Action: compresses abdomen, FLX trunk, forced expiration
Nerve: thoracoabdominal VR T7-T11 + subcostal VR T12
Perfusion: superiror and inferior epigastric aa/vv

161
Q

Pyramidalis (abdominals)

A

Origin: pubic bone
Insertion: linea alba
Action: tenses linea alba
Nerve: thoracoabdominal VR T7-T11 + subcostal VR T12
Perfusion: superiror and inferior epigastric aa/vv

162
Q

Superficail Transverse perineal (pelvic floor-urogenital trangle)

A 
Origin:
Insertion:
Action:
Nerve: Pudendal VR (S2-S4)
Perfusion: internal pudendal, external pudendal (deep and superficial) aa/vv
163
Q

Deep transverse perineal (pelvic floor-urogenital triangle)

A 
Origin:
Insertion:
Action: urination genitalia 
Nerve: Pudendal VR (S2-S4)
Perfusion: internal pudendal, external pudendal (deep and superficial) aa/vv

Muscle Flash Cards (5 decks)

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