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Anatomy:Muscles Flashcards

0
Q

Deltoid

A

A: abduct flex, extend
I: Humerus proximal end
O: clavicle/ scapula

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1
Q

Pectoralis Major

A

A: adduct, flex
I: Humerus proximal end
O: clavicle/sternum/ribs

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2
Q

Latissimus Dorsi

A

A: extend, adduct
I: Humerus proximal end
O: Vertebrae/ scarum/ ilium

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3
Q

Subscapularis (rotator cuff)

A

A: Medial Rotation
I: Humerus proximal end
O: Scapula (subscapular fossa)

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4
Q

Teres Major

A

A: Medial rotation, extend, adduct
I: Humerus proximal end
O: Scapula (Inferior angle)

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5
Q

Teres Minor (rotator cuff)

A

A: Lateral rotation, extend, adduct
I: Humerus proximal end
O: Scapula (Axillary border)

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6
Q

Infraspinatus (rotator cuff)

A

A: lateral rotation
I: Humerus proximal end
O: Scapula (infraspinous fossa)

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7
Q

Supraspinatus (rotator cuff)

A

A: abduct
I: Humerus proximal end
O: Scapula (supraspinous fossa)

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8
Q

Coracobrachialis

A

A: flex, adduct
I: humerus shaft
O: Scapula (coracoid process)

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9
Q

Biceps Brachii

A

A: flex
I: radius proximal end
O: Scapula (glenoid/ coracoid process)

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10
Q

Brachioradialis

A

A: Flex
I: Radius distal end
O: Humerus distal end

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11
Q

Pronator teres

A

A: pronate, medial rotation
I: radium shaft
O: humerus distal end

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12
Q

Brachialis

A

A: flex
I: Ulna proximal end
O: humerus shaft

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13
Q

Triceps brachii

A

A: extend
I: ulna proximal end
O: scapula/ humerus proximal end

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14
Q

Palmaris Longus

A

A: flex forearm and hand
I: palmar aponeurosis
O: humerus distal/ CFT

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15
Q

Flexor Carpi Ulnaris

A

A: flex and adduct hand
I: carpals/ metacarpals
O: humerus distal/ CFT

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16
Q

Flexor carpi radialis

A

A: flex and abduct hand
I: metacarpals
O: humerus distal/ CFT

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17
Q

Flexor Digitorum

A

A: flex forearm, hand, and digits
I: phalanges
O: humerus/ radius/ ulna

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18
Q

Extensor carpi ulnaris

A

A: extend and adduct hand
I: metacarpals
O: humerus distal/CET

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19
Q

Extensor carpi radialis

A

A: extend and abduct hand
I: metacarpals
O: Humerus distal/ CET

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20
Q

Extensor digitorum

A

A: extend hands and digits
I: phalanges
O: humerus distal/ CET

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21
Q

Extensor digiti minimi

A

A: extend hand and small finger
I: phalanges
O: humerus distal/ CET

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22
Q

Abductor pollicis longus

A

A: abducts hand and thumb
I: metacarpal of thumb
O: radius/ulna

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23
Q

Extensor pollicis longus

A

A: abduct hand, extend thumb
I: phalanx (thumb)
O: ulna

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24
Extensor pollicis brevis
A: abduct hand, extend thumb I: phalynx (thumb) O: radius
25
Tensor Fasciae Latae
A: flex, abduct I: iliotibial tract O: ilium (ant.sup.iliac spine)
26
Gluteus Maximus
A: extend, rotate I: Femur proximal end O: ilium/ sacrum
27
gluteus medius/ minimus
A: abduct, rotate I: Femur proximal end O: ilium
28
Iliopsoas
A: flex I: Femur proximal end O: iliacus from ilium
29
piriformis
A: abduct, rotate I: Femur proximal end O: Sacrum
30
Obturator internus
A: abduct, rotate I: Femur proximal end O: Obturator foramen edge
31
Superior and inferior gemellus
A: abduct, rotate I: Femur proximal end O: ischium
32
Quadratus femoris
A: abduct, rotate I: Femur proximal end O: ischium
33
Pectineus
A: abduct I: Femur proximal end O: pubis
34
adductors (as a group)
A: adduct I: femur shaft O: pubis
35
Biceps femoris
A: extend thigh, flex, leg I: fibula proximal end O: ischium/ femur shaft
36
Semitendinosus
A: extend thigh, flex leg I: tibia proximal end O: ischium
37
Semimembranosis
A: extend thigh, flex leg I: tibia proximal end O: ischium
38
Rectus femoris
A: flex thigh, extend leg I: tibia proximal end O: illium (ant.inf. iliac spine)
39
Sartorius
A: flex thigh and leg I: tibia proximal end O: ilium (ant.sup. iliac spine)
40
Gracilis
A: adduct thigh, flex leg I: tibia proximal end O: pubis
41
Vastus lateralis and medialis
A: extend I: tibia proximal end O: femur
42
Gastrocnemius
A: flex leg/ plantar flexion I: tarsal (calcaneus) O: femur distal end
43
Plantaris
A: flex leg/ plantar flexion I: tarsal (calcaneus) O: femur distal end
44
Soleus
A: plantar flexion I: tarsal (calcaneus) O: tibia proximal end/fibula
45
tibialis anterior
A: dorsiflexion/ inversion I: tarsals/ metatarsals O: tibia proximal end
46
Tibialis posterior
A: plantar flexion/ inversion I: tarsals/ metatarsals O: interosseus membrane
47
Fibularis longus and brevis
A: plantar flexion/ eversion I: metatarsals O: fibula
48
Extensor digitorum
A: dorsiflexion/ eversion/ extend toes I: phalanges O: tibia proximal end/ fibula
49
Extensor hallucis
A: dorsiflexion/ extend big toe I: phalanx (hallux) O: fibula
50
Flexor digitorum
A: plantar flexion/ flex toes I: phalanges O: tibia
51
Flexor hallucis
A: plantar flexion/ flex big toe I: phalanx (hallux) O: fibula
52
Temporalis
A: elevate I: mandible (coronoid process) O: temporal
53
Pterygoids
A: depress, lateral movement I: mandible O: sphenoid
54
Masseter
A: elevate I: mandible (angle) O: zygomatic arch
55
Orbicularis oris
A: compress lips (kiss) I: corner of mouth O: mouth fascia
56
Risorius
A: draw posteriorly (tense) I: corner of mouth O: cheek fascia
57
Zygomaticus
A: elevate (smile) I: corner of mouth O: zygomatic arch
58
Levator anguli oris
A: elevate I: corner of mouth O: maxilla
59
Depressor anguli oris
A: depress I: corner of mouth O: mandible
60
Buccinator
A: compress cheeks (whistle) I: corner of mouth O: maxilla/mandible
61
Levator labii superioris
A: elevate I: superior lip O: maxilla
62
Depressor Labii inferioris
A: depress (pout) I: inferior lip O: mandible
63
Mentalis
A: elevate I: skin of chin O: mandible
64
Auricularis
A: move pinna I: pinna of ear O: temporal fascia
65
Nasalis
A: compress nares I: nasal cartilage O: maxilla
66
Frontalis
A: elevate eyebrows I: skin over orbits O: galacea aponeurotica
67
Orbicularis oculi
A: close (wink) I: skin of eye O: orbit (medial wall)
68
Procerus
A: depress eyebrow I: skin between eyes O: bridge of nose
69
stylohyoid
A: elevate retract I: hyoid O: temporal (styloid process)
70
Digastric (two bellies)
A: elevate I: hyoid O: temporal/ mandible
71
Mylohyoid
A: elevate I: hyoid O: mandible
72
Geniohyoid
A: protract I: hyoid O: mandible
73
Sternohyoid
A: depress I: hyoid O: clavicle/sternum
74
iliacus + psoas major (in pelvic)
O: Psoas major from vertebrae
75
Omohyoid (two bellies)
A: depress I: hyoid O: clavicle/sternum
76
Thyrohyoid
A: depress/ elevate larynx I: hyoid O: Larynx (thyroid cartilage)
77
Sternothyroid
A: depress I: larynx (thyroid cartilage) O: sternum
78
Hyoglossus
A: depress, pull inferiorly I: tongue (lateral) O: hyoid
79
Genioglossus
A: protrude, pull inferiorly I: tongue (inferior) O: mandible
80
Styloglossus
I: tongue O: styloid process
81
Sternocleidomastoid
A: flex, rotate I: temporal (mastoid process) O: sternum/ clavicle
82
Splenius Capitis
A: extend, rotate I: occipital/ temporal (mastoid) O: vertebrae (spinous process)
83
Semispinalis Capitis
A: extend, rotate I: occipital O: vertebrae (transverse process)
84
External Intercostals
A: elevates (inhale) I: ribs O: ribs
85
internal intercostals
A: depresses (exhales) I: ribs O: ribs
86
External Oblique
A: Compress/ lat.flex.vert.col. I: linea alba O: ribs
87
internal oblique
A: compress/ lat.flex.vert.col. I: ribs O: ilium/vertebrae
88
Transverse Abdominis
A: compress I: sternum/ linea alba O: ilium/ ribs/vertebrae
89
Rectus Abdominis
A: flex I: ribs/sternum O: pubis
90
Quadratus Lumborum
A: lateral flexion I: ribs/ vertebrae transverse process O: ilium (crest)
91
Iliocostalis Lumborum
A: Stabalize I: ribs/ vertebrae transverse process O: ribs (inferior)
92
Iliocostalis lumborum
A: extend I: ribs (inferior) O: ilium (crest)
93
Longissimus Thoracis
A: extend I: vertebrae transverse process O: vertebrae transverse process
94
Spinalis thoracis
A: extend I: vertebrae spinous process O: vertebrae spinous process
95
Trapezius
A: elevate, depress, adduct I: scapula (spine) O: occipital/ vertebrae
96
Pectoralis minor
A: depress I: scapula (coracoid process) O: ribs
97
Serratus anterior
A: abduct I: scapula (vertebral border) O: ribs
98
Levator scapulae
A: elevate I: scapula (vertebral border) O: vertebrae
99
Rhomboids
A: adduct I: scapula (vertebral border) O: vertebrae

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