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Anatomy of the extremities > lecture final > Flashcards

lecture final Flashcards

1
Q

Leg Summary
1. Three compartments:

  1. Three nerves:
    a. Anterior – Deep Peroneal Nerve
    b. Posterior – Tibial Nerve
    c. Lateral – Superficial Peroneal Nerve
A 
Compartments
a.	Anterior
b.	Posterior
c.	Lateral
Nerves
a.	Anterior – Deep Peroneal Nerve 
b.	Posterior – Tibial Nerve 
c.	Lateral – Superficial Peroneal Nerve
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2
Q

Thigh Summary
1. 4 compartments

  1. Innervated by:
A 
Compartments
a.	Anterior - Quadriceps 
b.	Posterior -- Hamstrings 
c.	Medial – Adductors 
d.	Lateral (small compartment) – TFL
Nerves
a.	Anterior – Femoral (L2, L3, L4) 
b.	Posterior – Sciatic (L4 - S3) 
c.	Medial – Obturator (L2, L3, L4) 
d.	Lateral – Tensor Fascia Lata – Superior gluteal nerve (L4, L5)
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3
Q

Tibialis posterior

Deep Posterior Compartment of Leg

A

O: interosseous membrane, posterior surface of tibia inferior to soleal line, and posterior surface of fibula
I: tuberosity of the navicular, cuneiform, and cuboid bones, and bases of 2nd, 3rd, & 4th metatarsal bones
A: plantar flexes and inverts foot
N: tibial nerve (L4 & L5)

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4
Q

Flexor Digitorum longus

Deep Posterior Compartment of Leg

A

O: medial part of posterior surface of tibia, inferior to soleal line, and by a broad aponeurosis to fibula
I: bases of distal phalanges of lateral 4 digits
A: flexes lateral 4 digits and plantar flexes foot; supports longitudinal arch of foot
N: tibial nerve (S2 & S3)

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5
Q

Flexor hallucis longus

Deep Posterior Compartment of Leg

A

O: inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane
I: base of distal phalanx of great toe
A: flexes great toe at all joints and plantar flexes foot; supports longitudinal arch of foot
N: tibial nerve (S2 & S3)

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6
Q

Popliteus

Deep Posterior Compartment of Leg

A

O: lateral surface of lateral condyle of femur and lateral meniscus
I: posterior surface of tibia, superior to soleal line
A: weakly flexes knee and unlocks it
N: tibial nerve (L4, L5, & S1)

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7
Q

Plantaris

Posterior Compartment of Leg

A

O: inferior end of lateral supracondylar line of femur and oblique popliteal ligament
I: tendo calcaneus
A: weakly assists the gastrocnemius in plantar flexion and flexing the knee joint
N: tibial nerve (S1 & S2)

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8
Q

Soleus

Posterior Compartment of Leg

A

O: posterior aspect of head of fibula, superior 1⁄4 of posterior surface of fibula, soleal line, and medial border of tibia
I: posterior surface of calcaneus via tendo calcaneus
A: plantar flexion of foot; steadies leg on foot
N: tibial nerve (S1 & S2)

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9
Q

Gastrocnemius (Lateral and Medial heads)

Posterior Compartment of Leg

A

O: lateral head – lateral aspect of lateral condyle of femur; medial head – popliteal surface of femur, superior to medial condyle
I: posterior surface of calcaneus via tendo calcaneus
A: plantar flexion of foot; raises heel during walking, and flexes the knee joint
N: tibial nerve (S1 & S2)

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10
Q

Fibularis brevis

**Lateral Compartment of Leg **

A

O: inferior2/3ofthe lateral surface of the fibula
I: dorsal surface of tuberosity on lateral side of the base of 5th metatarsal bone
A: foot eversion and weak plantar flexion
N: superficial fibular (peroneal) nerve (L5, S1, & S2)

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11
Q

Fibularis Longus

**Lateral Compartment of Leg **

A

O: head and superior 2/3 of the lateral surface of the fibula
I:base of 1st metatarsal bone and medial cuneiform bone
A: footeversionand weak plantar flexion
N: superficialfibular (peroneal) nerve (L5, S1, & S2)

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12
Q

Fibularis tertius

**Anterior Compartment of Leg **

A

O: lower 1/3 of the anterior surface of the fibula and the interosseus membrane
I: medialside of the dorsal aspect of the base of the fifth metatarsal bone
A: dorsiflexes the foot; everts the foot
N: deep peroneal nerve (L4, L5)

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13
Q

Extensor Hallucis longus

**Anterior Compartment of Leg **

A

O: middle half of the anterior surface of the fibula and from the interosseous membrane
I: base of the distal phalanx of the great toe
A: extends the big toe and dorsiflexes the foot; also assists in inversion of the foot
N: deep peroneal nerve (L4,L5)

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14
Q

Extensor digitorum longus

**Anterior Compartment of Leg **

A

O: upper2/3ofthe anterior surface of the fibula and from the interosseous membrane
I: extensor expansion of the lateral 4 toes
A: extends the toes and dorsiflexes the foot at the ankle joint
N: deep peroneal nerve (L4, L5)

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15
Q

Tibialis Anterior

**Anterior Compartment of Leg **

A

O: upper half of the lateral surface of tibia and from the interosseous membrane
I: medial cuneiform bone and the adjoining base of the first metatarsal bone
A: dorsiflexes the foot at the ankle joint and inverts the foot at the subtalar and transverse tarsal joints; it assists in holding up the medial longitudinal arch of the foot
N: deep peroneal (fibular) nerve (L4,L5)

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16
Q 
Femoral Triangle
Boundaries:	
1.	Superior:  
2.	Medial: 
3.	Lateral: 
4.	Floor: 
5.	Roof:
A
  1. Superior: inguinal ligament
  2. Medial: adductor longus muscle
  3. Lateral: sartorius muscle
  4. Floor: iliopsoas and pectineus mm
  5. Roof: fascia lata, subcutaneous tissue
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17
Q

Femoral Triangle

Contents: (NAVL from lateral to medial)

A
  1. Femoral nerve and branches (Muscular, articular, and cutaneous). Saphenous nerve= terminal cutaneous nerve branch.
  2. Femoral sheath and contents:
    a. Femoral artery and several of its terminal branches
    b. Femoral vein and its proximal tributaries (e.g. the great saphenous and deep femoral veins)
    c. Deep inguinal lymph nodes and associated lymphatic vessels.
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18
Q

Biceps femoris (long head and short head)

**Posterior Compartment (Hamstrings) of Thigh **

A

O: long head – ischial tuberosity; short head: linea aspera and lateral supracondylar line of femur
I: lateral side of head of fibula; tendon is split at this site by fibular collateral ligament of the knee
A: flexes leg and rotates it laterally when knee is flexed; extends thigh
N: long head - tibial division of sciatic nerve (L5, S1, & S2); short head – common fibular (peroneal) division of sciatic nerve (L5, S1, & S2)

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19
Q

Semimembranosus

**Posterior Compartment (Hamstrings) of Thigh **

A

O: ischial tuberosity
I: posterior part of medial condyle of tibia; reflected attachment forms oblique popliteal ligament (to the lateral femoral condyle)
A: extend thigh; flex leg and rotate it medially when knee is flexed
N: tibial division of sciatic nerve (L5, S1, & S2)

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20
Q

Semitendinousus

**Posterior Compartment (Hamstrings) of Thigh **

A

O: ischial tuberosity
I: medial surface of superior part of tibia
A: extend thigh; flex leg and rotate it medially when knee is flexed
N: tibial division of sciatic nerve (L5, S1, & S2)

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21
Q

Obturator externus

**Medial Compartment of Thigh **

A

O: margins of obturator foramen and outer surface of obturator membrane
I: trochanteric fossa of the femur
A: laterally rotates the thigh; steadies head of femur in acetabulum
N: obturator nerve (L3 & L4)

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22
Q

Gracilis

**Medial Compartment of Thigh **

A

O: body and inferior ramus of pubis
I: superior part of medial surface of tibia
A: adducts thigh, flexes leg, and helps rotate it medially
N: obturator nerve (L2 & L3)

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23
Q

Adductor Magnus

**Medial Compartment of Thigh **

A

O: adductor part – inferior ramus of pubis, ramus of the ischium; hamstrings part: ischial tuberosity
I: adductor part – gluteal tuberosity, linea aspera, medial supracondylar line; hamstrings part: adductor tubercle
A: adducts thigh
N: obturator nerve, posterior division (L2, L3, & L4); tibial division of sciatic nerve (L4)

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24
Q

Adductor brevis

**Medial Compartment of Thigh **

A

O: body and inferior ramus of pubis
I: pectineal line and proximal part of linea aspera
A: adducts the thigh and to some extent flexes it
N: obturator nerve, branch of anterior division (L2, L3, & L4)

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25
Q

Adductor Longus

**Medial Compartment of Thigh **

A

O: body of pubis inferior to pubic crest
I: middle third of linea aspera
A: adducts the thigh
N: obturator nerve, branch of anterior division (L2, L3, & L4)

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26
Q

Tensor Fascia Lata (can be seen as lateral compartment)

** Lateral Compartment of the Thigh**

A

O: ASIS and anterior part of iliac crest
I: iliotibial tract that attaches to the lateral condyle of the tibia
A: primarily flexes the thigh; also abducts, medially rotates thigh; helps to keep knee extended; steadies trunk on thigh
N: superior gluteal nerve (L4 & L5)

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27
Q

Articularis Genu (derivative of vastus intermedius)

**Anterior Compartment of Thigh **

A

O: inferior part of anterior aspect of femur
I: synovial membrane of the knee joint and wall of the suprapatellar bursa
A: pulls the synovial capsule superiorly during extension of the leg, thereby preventing folds of the capsule being compressed between the femur and the patella within the knee joint
N:Femoral nerve (L2, L3, & L4)

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28
Q

What Muscles make up the quadriceps?

A

rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius make up the quadriceps.

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29
Q

Vastus intermedius (Quadriceps)

**Anterior Compartment of Thigh **

A

O: anterior and lateral surfaces of body of femur
I: base of patella and by patellar ligament to tibial tuberosity
A: extend leg at knee joint
N: femoral nerve (L2, L3, & L4)

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30
Q

Vastus Medialis (Quadriceps)

**Anterior Compartment of Thigh **

A

O: intertrochanteric line and medial lip of linea aspera of femur
I: base of patella and by patellar ligament to tibial tuberosity
A: extend leg at knee joint
N: femoral nerve (L2, L3,& L4)
– This muscle has two portions: longus (VML) & oblique (VMO)

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31
Q

Vastus lateralis (Quadriceps)

**Anterior Compartment of Thigh **

A

O: greater trochanter and lateral lip of linea aspera
I: base of patella and by patellar ligament to tibial tuberosity
A: extend leg at knee joint
N: femoral nerve (L2, L3, & L4)

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32
Q

Rectus femoris (Quadriceps)

**Anterior Compartment of Thigh **

A

O: AIIS and ilium superior to acetabulum
I: base of patella and by patellar ligament to tibial tuberosity
A: extend leg at knee joint; also steadies hip joint and helps iliopsoas to flex thigh
N: femoral nerve (L2, L3, & L4

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33
Q

Sartorius

**Anterior Compartment of Thigh **

A

O: ASIS and superior part of notch inferior to it
I: superior part of medial surface of tibia
A: flexes, abducts, and laterally rotates thigh at hip joint; flexes leg at knee joint
N: femoral nerve (L2 & L3)

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34
Q

Iliacus

**Anterior Compartment of Thigh **

A

O: iliac crest, iliac fossa, ala of sacrum, anterior SI ligaments
I: tendon of psoas major, lesser trochanter, and femur distal to it
A: flexing thigh at hip joint and stabilizing it
N: femoral nerve (L2 & L3)

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35
Q

Psoas Minor

**Anterior Compartment of Thigh **

A

O: sides of T12-L1 vertebrae and disc in between
I: pectineal line, iliopectineal eminence
A: may assist in flexion of trunk; of minor importance
N: ventral rami of lumbar nerves (L1& L2)

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36
Q

Psoas Major

**Anterior Compartment of Thigh **

A

O: sides of T12-L5 vertebrae and discs in between; TPs of all lumbar vertebrae
I: lesser trochanter of femur
A: flexing thigh at hip joint and stabilizing it
N: ventral rami of lumbar nerves (L1, L2, & L3)

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37
Q

Pectineus

**Anterior Compartment of Thigh **

A

O: superior ramus of pubis
I: pectineal line of femur
A: adducts and flexes the thigh; assists with Medial rotation of the thigh
N: femoral nerve (L2 & L3)

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38
Q

Sensory to the right Butt Cheek

A

Superior Lateral- VR- Iliohypogastric (L1)

Inferior Lateral- VR- Lateral Femoral cutaneous (L2,3)

Superior Medial- DR- superior cluneal(L1,2,3) and Middle Cluneal (S1,2,3)

Inferior Medial- VR- Posterior femoral cutaneous (S1,S2,S3 aka inferior cluneal)

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39
Q

Gluteus Maximus

A

O- Posterior illiac crest, posterior surface of the sacrum, coccyx, sacrotuberous ligament
I- Illiotibial tract, gluteal tuberosity of femur
A- extension at hip joint, laterally rotates hip,
N- Inferior Gluteal nerve (L5, S1, S2)
B- sup. and inf. gluteal a.a.

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40
Q

Gluteus Medius

A

O- gluteal surface of the ilium
I- lateral aspect of the greater trochanter
A- abducts and medially rotates at hip joint
N- superior Gluteal nerve (L5, S1)
B- Superior Gluteal a.a.

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41
Q

Gluteus Minimus

A 
O- Gluteal surface of illium
I- anterior aspect of greater trochanter
A- abducts and medially rotates at hip joint
N- superior gluteal nerve (L5, S1)
B- Superior gluteal a.a.
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42
Q

Piriformis

A

O- anterior surface of the sacrum
I- superior aspect of greater trochanter
A- abducts thigh in flexion, lateral rotation in extension
N- sacral plexus (VR S1, S2) nerve to the piriformis
B- superior and inferior gluteal a.a. and internal pudendal a.a.

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43
Q

Quadratus Femoris

A

O- ischial tuberosity
I- quadrate tubercle on intratrochanteric crest
A- lateral rotation of the thigh
N- nerve to the quadratus femoris (L5, S1)
B- Inferior gluteal a.a.

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44
Q

Obturator Internus

A

O- obturator membrane and inferior surface of obturator foramen
I- medial surface of the greater trochanter
A- Lateral rotation of extended thigh, abducts flexed thigh
N- nerve to the obturator internus (L5, S1)
B-obturator a.a.

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45
Q

Superior and inferior Gemellus

A

O- superior- ischial spine
inferior- Ischial tuberosity
I- medial aspect of greater trochanter
A- lateraly rotates extended thigh, abducts flexed thigh
N-sup.-nerve to obturator internus (L5 S1)
inf.- nerve to quadratus femoris (L5 S1)
B- Inferior Gluteal a.a.

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46
Q

Tensor Fascia Latte (TFL)

A

O- Illiac crest posterior to ASIS
I- Iliotibial tract (IT band)
A- fexes the hip, medially rotates hip, abduxts hip
N- Superior Gluteal (L4, 5, S1)
B- lateral circumflex femoral artery, superior gluteal artery

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47
Q

Anterior compartment of thigh is all innervates by femoral nerve except

A

Psoas major and minor, VR of lumbar nerves L123

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48
Q

TFL is considered anterior compartment of thigh but has a different nerve

A

Superior gluteal L45

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49
Q

Medial compartment of thigh is innervated by obturator nerve except

A

Adductor Magnus which has posterior division of obturator nerve and tibial division of the sciatic, making it a composite muscle

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50
Q

Posterior compartment of thigh is innervated by the tibial division of the sciatic except

A

Short head of the biceps femoris which is innervated by common fibular (peroneal) division of sciatic L5 S1,2

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51
Q 
Adductor canal (aka subsartorious canal)
Boundaries
A

boundaries:
Lateral- vastus medialis
Posterior- adductor longus and adductor magnus
Medially- sartorius

52
Q

Adductor canal (aka subsartorious canal)

Contents

A

femoral artery, vein and the saphenous nerve

53
Q

BONES OF THE FOOT

Tarsal and Metatarsal

A

Tarsal Bones–Talus, Calcaneus, Navicular, 3
Cuneiforms, and Cuboid

Metatarsal Bones– 5 bones for each digit.
Phalanges–14 phalanges, proximal and distal
in all digits, middle only on digits 2–5.

54
Q

DORSUM OF THE FOOT

EXTRINSIC MUSCLES

A
  1. TIBIALIS ANTERIOR
  2. EXTENSOR HALLUCIS LONGUS TENDON
  3. EXTENSOR DIGITORUM LONGUS TENDON
55
Q

DORSUM OF THE FOOT MUSCLES

INTRINSIC MUSCLES

A
  1. Extensor digitorum brevis

2. Dorsal interossei muscles -DABS

56
Q

PLANTAR MUSCLES

LAYER # 1

A
  1. PLANTAR APONEUROSIS
  2. ABDUCTORS
    * HALLUCIS-
    * DIGITI MINIMI-
57
Q

PLANTAR MUSCLES

LAYER # 2

A
  1. FLEXOR DIGITORUM BREVIS
  2. TENDON OF FLEXOR HALLUCIS LONGUS
  3. MEDIAL AND LATERAL HEADS OF FLEXOR HALLUCIS BREVIS
58
Q

PLANTAR MUSCLES

LAYER # 3

A 
1. TENDON OF THE FLEXOR DIGITORUM LONGUS
2 TENDON OF FLEXOR HALLUCIS LONGUS
3. MEDIAL AND LATERAL HEADS OF FLEXOR HALLUCIS BREVIS
4. LUMBRICALS # 1-4
5. QUADRATUS PLANTAE
59
Q

PLANTAR MUSCLES

LAYER # 4

A

7-11 and you buy the hot dog in the bun.
2. 7–11 is the transverse and oblique heads of the adductor hallucis
3. Hot dog is the tendon of the flexor hallucis longus
4.Bun are the medial and lateral heads of the
flexor hallucis brevis

60
Q

DORSAL INTEROSSEI

A
  1. Four muscles on digits 2, 3, 4 and 5

2. DABS–Dorsal Interossei = ABDUCT

61
Q

PLANTAR INTEROSSEI

A
  1. Three muscles on digits 3, 4 and 5

2. PADS– Plantar Interossei = ADDUCT

62
Q

BLOOD SUPPLY TO THE DORSUM OF THE FOOT

A

Dorsalis Pedis Artery coming from the Anterior Tibial Artery gives off the lateral tarsal artery and medial tarsal artery

medial plantar a.a.= great toe and medial 2nd digit
Lateral plantar a.a.= digits 2-5

63
Q

HIP JOINT

A

1.DIARTHROTIC JOINT BY ACTION
2. SYNOVIAL JOINT BY UNITING MATERIAL
–SUBCLASSIFIED AS A SPHEROID
OR BALL AND SOCKET.

64
Q

Abductor Hallucis

A

A- abducts great toe

N- medial plantar (S2,3)

65
Q

flexor digitorum brevis

A

A- flexes lateral 4 digits

N- medial Plantar (S2,3)

66
Q

Abductor digiti minimi

A

A-abducts and flexes little toe

N- lateral plantar (S2,3)

67
Q

Quadratus Plante

A

A- helps flex lateral 4 digits

N- lateral plantar nerve (S2,3)

68
Q

Lumbricals

A

A- Flexes proximal phalanges, extends distal and middle phalanges of lateral 4 digits
N-medial one= medial plantar
lateral 3= lateral plantar

great toe doesn’t get one

69
Q

flexor hallucis brevis

A

A-flexes proximal phalinx of 1st digit

N- medial plantar (S2,3)

70
Q

Adductor hallicus

A

A- adducts 1st digit

N- deep branch of lateral plantar (S2,3)

71
Q

flexor digiti minimi

A

A- flexes proximal phalanx of 5th digit

N-superficial branch of lateral plantar (S2,3)

72
Q

plantar interossei

PAD

A

A- adducts digits 3-5 and flexes metatarsaophalangeal joints

N-lateral plantar nerve (S2,3)

73
Q

Dorsal Interossei

DAB

A

A- Abducts digits 2-4 and flexes metatarsaophalangeal joints

N-lateral plantar(S1, S2)

74
Q

INNERVATION TO THE MUSCLES OF THE FOOT

1. MEDIAL PLANTAR NERVE (only 4 muscles)

A
  • Abductor hallucis
  • Flexor digitorum brevis
  • Flexor hallucis brevis
  • Lumbrical - # 1
75
Q
  1. LATERAL PLANTAR NERVE
A
  • Abductor digiti minimi
  • Quadratus plantae
  • Plantar and dorsal interossei
  • Adductor hallucis (deep branch of lateral planar nerve)
  • Flexor digiti minimi brevis (superficial branch of lateral plantar nerve)
  • Lumbricals - # 2, 3 and 4
76
Q

Extrinsic Muscles of the Foot

A
  • Originate in other compartments of the lower extremity.
77
Q

Intrinsic Muscles of the Foot

A
  • Originate on the foot bones
78
Q

PARTICULARS OF THE FOOT WITH REGARD TO MUSCLES

A
  1. On the foot, the point of reference is the 2nd digit.
  2. Names are given to the actions, from lateral to medial
    * abductor hallucis, abductor digiti minimi muscles
    * flexor hallucis, flexor digiti minimi muscles
    * flexor digitorum brevis muscles and tendon
    * flexor digitorum longus tendons
    * * originating from the FDL are the four lumbricals
    * * inserting into the FDL is the quadratus plantaris (two heads)
    * dorsal interossei
    * plantar interossei
79
Q

STUDY PICTURES FROM NETTERS FOR LIGAMENTS!!!! Hip, Knee and ankle!!!

A

do that shit now mofo!

80
Q

vascular supply to the lower extremities

pulses-

A
  1. femoral
  2. popliteal
  3. dorsalis Pedis
  4. Posterior Tibial
81
Q

Posterior Tibial artery

A

does medial side behind the medial malleolus

82
Q

Dorsalis pedis

A

comes from the anterior tibial artery then turns in to first dorsal metatarsal and deep plantar arteries

83
Q

Major Veins

A
  1. femoral
  2. great saphenous
  3. popliteal
  4. lesser saphenous
  5. dorsalis pedis
  6. posterior tibial
84
Q

motor testing

A

L4- tibialis anterior
L5- extensor hallicus longus
S1- peroneous group (longus and brevis)

85
Q

deep tendon reflexes

A

L4- patellar reflex
L5- semitendinous
S1- achiles tendon

86
Q

cutaneous innervation to foot posterior leg/ thigh and anterior leg

A

foot= tibial nerve

Posterior thigh/leg= posterior femoral cutaneous

Anterior leg= common fibular

87
Q

Hip ligaments

A
  1. Illiofemoral ligament- Y ligament of bigelow- resists extension of thigh, adduction, external rotation
  2. Ischiofemoral ligament- resists medial rotation, adduction
  3. pubofemoral ligament
  4. articular capsular ligament
88
Q

Knee ligaments

A
  1. LCL- lateral collateral lig.
  2. MCL- Medial collateral lig.
  3. ACL- Anterior collateral lig.
  4. PCL- posterior collateral
89
Q

Ligaments of the ankle

A
  1. Long plantar ligament
  2. short plantar ligament
  3. deltoid ligament- made up of 4
    a. posterior tibiotalar
    b. tibiocalcaneal
    c. anterior tibiotalar
    d. tibionavicular
  4. spring ligament aka calcaneonavicular aka plantar (resists eversion)
90
Q

ankle joint aka talocrural articulation

what kind of joint?

A

hinge type synovial joint

91
Q

tibiofibular joints

  1. proximal tibiofibular
  2. distal tibiofibular
A
  1. proximal tibiofibular- synovial, plane type

2. distal tibiofibular- fibrous joint, syndesmosis

92
Q 
menisci
M
C
L
O
A

medial
c shape
lateral
o shape

** creates joint concavity, shock absorber, reduces friction, distributes weight bearing forces

93
Q

what forms the carpal tunnel?

A

pisiform, scaphoid, trapezium, hamate (hook)

94
Q

is the clavicle a part of the axial skeleton?

A

no, the clavicle is not a part of the axial skeleton

95
Q

what forms the posterior boundary of the anatomical snuff box?

A

extensor pollicis longus tendon

96
Q

the hand of benediction results from ______

A

direct injury to the median nerve at the elbow

97
Q

the ulnar sulcus lies on the _____ and ______ potion of the humerus

A

posterior and medial

98
Q

what muscle has an attatchment on the lateral supracondylar ridge of the humerus

A

extensor carpi ulnaris longus

99
Q

the posterior interosseus nerve aka the deep radial nerve innervates what muscle?

A

extensor indicis

100
Q

which muscle orginiates from the infraglenoid tubercle?

A

long head of the triceps

101
Q

drop wrist is a result of injury to ______

A

the radial nerve at the forearm

102
Q

what is the action of the coracobrachialis?

A

flex and adduct the arm

103
Q

all have an attatchment on the lateral epicondylar ridge except.

EDM,ECRB, ED ECRL

A

the ECRL- extensor carpi radialis longus

104
Q

where does the suppinator originate?

A

radial colateral ligament and annular ligament

105
Q

what are the thenar muscles?

A

oppenons pollicis, abductor pollicis brevis, flexor pollicis brevis

**Adductor pollicus is NOT a thenar muscle

106
Q

Abducting the thumb is ________

A

putting the thumbtowards palm

107
Q

the anterior interosseus nerve is a branch off of _______

A

median nerve

108
Q

what is a medial rotator of the G/H joint

A

pectoralis minor

109
Q

the axilary nerve is involved in what kind of shoulder?

A

epaulette shoulder

110
Q

what is the action of the dorsal interosseus?

A

Abducts fingers

111
Q

is the abductor pollicis anterior or posterior to the flexor pollicus brevis?

A

it is anterior

112
Q

the thoracodorsal nerve goes to the subscapular nerve and innervates what muscle?

A

latissimus dorsi

113
Q

what 2 muscles are both innervated by the dorsal scapular nerve?

A

rhomboid minor and the levator scapulae

114
Q

what nerve provides motor to ant. compartmentof brachium and sensory to antibrachium?

A

musculocutaneous

115
Q

what nerve pierces the suppinator?

A

The deep radial nerve

116
Q

damage to what nerve results in claw hand?

A

damage to the ulnar nerve in the hand

117
Q

which nerve gives rise to the posterior interosseus nerve?

A

the common interosseus nerve

118
Q

what nerve innervates the 1st 2 lumbricals?

A

1/2 real meatloaf

recurrent median

119
Q

the dorsal and palmar interosseus are innervated by

A

palmar branch of the median nerve

120
Q

the teres minor is innervated by the axillary nerve which comes from the ______ cord.

A

the posterior cord of the brachial plexus

121
Q

what is the action of the teres minor?

A

laterally rotates the G/H joint

122
Q

the axillary nerve supplies sensory innervation to where?

A

the deltoid region of the arm

123
Q

what dermatome is responsible for the thumb

A

C6

124
Q

the circumflex scapular artery is a branch of _______

A

the subscapular artery

125
Q

the cephalic vein drains in to _______

A

the axilary vein

126
Q

what are the branches of the brachial artery?

A

profunda brachii, sup./inf ulnar colateral, radial/ ulnar a.

127
Q

what kind of joints are these?

ulnar humeral
glenohumeral
radiocarpal
sternoclavicular
z joint
acromriclavicular
proximal radioulnar
A 
ulnar humeral- ginglymus
glenohumeral- sphereoid
radiocarpal- trochoid
sternoclavicular- saddle
z joint- planar
acromriclavicular- planar
proximal radioulnar- trochoid

Anatomy of the extremities (1 decks)

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