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lecture final Flashcards

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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
Adductor Longus **Medial Compartment of Thigh **
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)
26
Tensor Fascia Lata (can be seen as lateral compartment) ** Lateral Compartment of the Thigh**
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)
27
Articularis Genu (derivative of vastus intermedius) **Anterior Compartment of Thigh **
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)
28
What Muscles make up the quadriceps?
***rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius make up the quadriceps.***
29
Vastus intermedius (Quadriceps) **Anterior Compartment of Thigh **
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)
30
Vastus Medialis (Quadriceps) **Anterior Compartment of Thigh **
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)
31
Vastus lateralis (Quadriceps) **Anterior Compartment of Thigh **
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)
32
Rectus femoris (Quadriceps) **Anterior Compartment of Thigh **
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
33
Sartorius **Anterior Compartment of Thigh **
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)
34
Iliacus **Anterior Compartment of Thigh **
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)
35
Psoas Minor **Anterior Compartment of Thigh **
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)
36
Psoas Major **Anterior Compartment of Thigh **
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)
37
Pectineus **Anterior Compartment of Thigh **
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)
38
Sensory to the right Butt Cheek
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)
39
Gluteus Maximus
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.
40
Gluteus Medius
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.
41
Gluteus Minimus
``` 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. ```
42
Piriformis
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.
43
Quadratus Femoris
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.
44
Obturator Internus
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.
45
Superior and inferior Gemellus
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.
46
Tensor Fascia Latte (TFL)
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
47
Anterior compartment of thigh is all innervates by femoral nerve except
Psoas major and minor, VR of lumbar nerves L123
48
TFL is considered anterior compartment of thigh but has a different nerve
Superior gluteal L45
49
Medial compartment of thigh is innervated by obturator nerve except
Adductor Magnus which has posterior division of obturator nerve and tibial division of the sciatic, making it a composite muscle
50
Posterior compartment of thigh is innervated by the tibial division of the sciatic except
Short head of the biceps femoris which is innervated by common fibular (peroneal) division of sciatic L5 S1,2
51
``` Adductor canal (aka subsartorious canal) Boundaries ```
boundaries: Lateral- vastus medialis Posterior- adductor longus and adductor magnus Medially- sartorius
52
Adductor canal (aka subsartorious canal) Contents
femoral artery, vein and the saphenous nerve
53
BONES OF THE FOOT Tarsal and Metatarsal
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
DORSUM OF THE FOOT | EXTRINSIC MUSCLES
1. TIBIALIS ANTERIOR 2. EXTENSOR HALLUCIS LONGUS TENDON 3. EXTENSOR DIGITORUM LONGUS TENDON
55
DORSUM OF THE FOOT MUSCLES | INTRINSIC MUSCLES
1. Extensor digitorum brevis | 2. Dorsal interossei muscles -DABS
56
PLANTAR MUSCLES | LAYER # 1
1. PLANTAR APONEUROSIS 2. ABDUCTORS * HALLUCIS- * DIGITI MINIMI-
57
PLANTAR MUSCLES | LAYER # 2
1. FLEXOR DIGITORUM BREVIS 2. TENDON OF FLEXOR HALLUCIS LONGUS 3. MEDIAL AND LATERAL HEADS OF FLEXOR HALLUCIS BREVIS
58
PLANTAR MUSCLES | LAYER # 3
``` 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
PLANTAR MUSCLES | LAYER # 4
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
DORSAL INTEROSSEI
1. Four muscles on digits 2, 3, 4 and 5 | 2. DABS–Dorsal Interossei = ABDUCT
61
PLANTAR INTEROSSEI
1. Three muscles on digits 3, 4 and 5 | 2. PADS– Plantar Interossei = ADDUCT
62
BLOOD SUPPLY TO THE DORSUM OF THE FOOT
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
HIP JOINT
1.DIARTHROTIC JOINT BY ACTION 2. SYNOVIAL JOINT BY UNITING MATERIAL --SUBCLASSIFIED AS A SPHEROID OR BALL AND SOCKET.
64
Abductor Hallucis
A- abducts great toe | N- medial plantar (S2,3)
65
flexor digitorum brevis
A- flexes lateral 4 digits | N- medial Plantar (S2,3)
66
Abductor digiti minimi
A-abducts and flexes little toe | N- lateral plantar (S2,3)
67
Quadratus Plante
A- helps flex lateral 4 digits | N- lateral plantar nerve (S2,3)
68
Lumbricals
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
flexor hallucis brevis
A-flexes proximal phalinx of 1st digit | N- medial plantar (S2,3)
70
Adductor hallicus
A- adducts 1st digit | N- deep branch of lateral plantar (S2,3)
71
flexor digiti minimi
A- flexes proximal phalanx of 5th digit | N-superficial branch of lateral plantar (S2,3)
72
plantar interossei PAD
A- adducts digits 3-5 and flexes metatarsaophalangeal joints | N-lateral plantar nerve (S2,3)
73
Dorsal Interossei DAB
A- Abducts digits 2-4 and flexes metatarsaophalangeal joints | N-lateral plantar(S1, S2)
74
INNERVATION TO THE MUSCLES OF THE FOOT | 1. MEDIAL PLANTAR NERVE (only 4 muscles)
* Abductor hallucis * Flexor digitorum brevis * Flexor hallucis brevis * Lumbrical - # 1
75
2. LATERAL PLANTAR NERVE
* 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
Extrinsic Muscles of the Foot
* Originate in other compartments of the lower extremity.
77
Intrinsic Muscles of the Foot
* Originate on the foot bones
78
PARTICULARS OF THE FOOT WITH REGARD TO MUSCLES
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
STUDY PICTURES FROM NETTERS FOR LIGAMENTS!!!! Hip, Knee and ankle!!!
do that shit now mofo!
80
vascular supply to the lower extremities pulses-
1. femoral 2. popliteal 3. dorsalis Pedis 4. Posterior Tibial
81
Posterior Tibial artery
does medial side behind the medial malleolus
82
Dorsalis pedis
comes from the anterior tibial artery then turns in to first dorsal metatarsal and deep plantar arteries
83
Major Veins
1. femoral 2. great saphenous 3. popliteal 4. lesser saphenous 5. dorsalis pedis 6. posterior tibial
84
motor testing
L4- tibialis anterior L5- extensor hallicus longus S1- peroneous group (longus and brevis)
85
deep tendon reflexes
L4- patellar reflex L5- semitendinous S1- achiles tendon
86
cutaneous innervation to foot posterior leg/ thigh and anterior leg
foot= tibial nerve Posterior thigh/leg= posterior femoral cutaneous Anterior leg= common fibular
87
Hip ligaments
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
Knee ligaments
1. LCL- lateral collateral lig. 2. MCL- Medial collateral lig. 3. ACL- Anterior collateral lig. 4. PCL- posterior collateral
89
Ligaments of the ankle
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
ankle joint aka talocrural articulation what kind of joint?
hinge type synovial joint
91
tibiofibular joints 1. proximal tibiofibular 2. distal tibiofibular
1. proximal tibiofibular- synovial, plane type | 2. distal tibiofibular- fibrous joint, syndesmosis
92
``` menisci M C L O ```
medial c shape lateral o shape ** creates joint concavity, shock absorber, reduces friction, distributes weight bearing forces
93
what forms the carpal tunnel?
pisiform, scaphoid, trapezium, hamate (hook)
94
is the clavicle a part of the axial skeleton?
no, the clavicle is not a part of the axial skeleton
95
what forms the posterior boundary of the anatomical snuff box?
extensor pollicis longus tendon
96
the hand of benediction results from ______
direct injury to the median nerve at the elbow
97
the ulnar sulcus lies on the _____ and ______ potion of the humerus
posterior and medial
98
what muscle has an attatchment on the lateral supracondylar ridge of the humerus
extensor carpi ulnaris longus
99
the posterior interosseus nerve aka the deep radial nerve innervates what muscle?
extensor indicis
100
which muscle orginiates from the infraglenoid tubercle?
long head of the triceps
101
drop wrist is a result of injury to ______
the radial nerve at the forearm
102
what is the action of the coracobrachialis?
flex and adduct the arm
103
all have an attatchment on the lateral epicondylar ridge except. EDM,ECRB, ED ECRL
the ECRL- extensor carpi radialis longus
104
where does the suppinator originate?
radial colateral ligament and annular ligament
105
what are the thenar muscles?
oppenons pollicis, abductor pollicis brevis, flexor pollicis brevis **Adductor pollicus is NOT a thenar muscle
106
Abducting the thumb is ________
putting the thumbtowards palm
107
the anterior interosseus nerve is a branch off of _______
median nerve
108
what is a medial rotator of the G/H joint
pectoralis minor
109
the axilary nerve is involved in what kind of shoulder?
epaulette shoulder
110
what is the action of the dorsal interosseus?
Abducts fingers
111
is the abductor pollicis anterior or posterior to the flexor pollicus brevis?
it is anterior
112
the thoracodorsal nerve goes to the subscapular nerve and innervates what muscle?
latissimus dorsi
113
what 2 muscles are both innervated by the dorsal scapular nerve?
rhomboid minor and the levator scapulae
114
what nerve provides motor to ant. compartmentof brachium and sensory to antibrachium?
musculocutaneous
115
what nerve pierces the suppinator?
The deep radial nerve
116
damage to what nerve results in claw hand?
damage to the ulnar nerve in the hand
117
which nerve gives rise to the posterior interosseus nerve?
the common interosseus nerve
118
what nerve innervates the 1st 2 lumbricals?
1/2 real meatloaf recurrent median
119
the dorsal and palmar interosseus are innervated by
palmar branch of the median nerve
120
the teres minor is innervated by the axillary nerve which comes from the ______ cord.
the posterior cord of the brachial plexus
121
what is the action of the teres minor?
laterally rotates the G/H joint
122
the axillary nerve supplies sensory innervation to where?
the deltoid region of the arm
123
what dermatome is responsible for the thumb
C6
124
the circumflex scapular artery is a branch of _______
the subscapular artery
125
the cephalic vein drains in to _______
the axilary vein
126
what are the branches of the brachial artery?
profunda brachii, sup./inf ulnar colateral, radial/ ulnar a.
127
what kind of joints are these? ``` ulnar humeral glenohumeral radiocarpal sternoclavicular z joint acromriclavicular proximal radioulnar ```
``` 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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