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Msk > Anatomy > Flashcards

Anatomy Flashcards

1
Q

The only muscle attaching to ischial spine is ?

A

Superior gamellus!

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2
Q

From where does the dorsal interossei arise from?

A

The sides of metacarpals

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3
Q

Where are limb muscles derived from?

A

Myoblasts surrounding new forming bone

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4
Q

Superior acioappendicular skeleton formed by?

A

Pectoral girdle and bones of upper limb

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5
Q

How many regions of the UL?

A

16

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6
Q

Pectoral girdle formed by the sternum ??

A

It’s by the manibrum of sternum!

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7
Q

Which part of the clavicle is the weakest?

A

Medial 2/3 lateral 1/3

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8
Q

What strengthens the sternoclavicular joint?

A

Anterior/posterior sternoclavicular ligament

And interclavicilar ligament

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9
Q

Joint capsule of acromioclavicular joint is strengthened by?

A

Fibers from trapezius and acromioclavicular ligaments

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10
Q

Capsule of glenohumral joint attached?

A

Medically to glenoid cavity

Laterally to surgical neck

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11
Q

Why inferior surface is weak?

A

capsule no coverage by rotator cuff muscles

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12
Q

Where does the deep lymphatic vessels drain into?

A

Apical lymph node where cephalic vein also drains

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13
Q

Fracture of supra condylar ridge could affect ?

A

Median nerve

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14
Q

Function of biceps short head?

A

Resist dislocation

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15
Q

How does the biceps flex

A

It supines and when it’s supine it flexes!

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16
Q

Brachialis attachment

A

Ulnar tuberosity? Because of coronoid process!

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17
Q

Origin of long head of triceps?

A

Infraglenoid tubercule

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18
Q

Triceps attachment?

A

Olecranon

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19
Q

Actions of anconeus?

A

Abduct ulna during pronation
Stabilizes elbow joint
Assist triceps in extension

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20
Q

Brachial rami formed by?

A

Anterior rami of C5- T1

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21
Q

Major function of anterior compartment?

A

Flex the thigh extend the knee

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22
Q

What forms the floor of femoral triangle?

A

Illiopsoas

Pectinues

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23
Q

What forms the lateral border of femoral triangle?

A

Sartorius

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24
Q

Origin of Sartorius and insertion?

A

Asis to the medial surface of tibia

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25
Q

Actions of Sartorius

A

Flexes the thigh weakly abduct and laterally rotate

Flexes the knee

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26
Q

Action of illiopsoas ?

A

It crosses one joint
It flex the thigh at hip
And stabilize the hip joint!

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27
Q

Origin of psoas?

A

T12 body and ivd of lumbar

Both muscles insert in lesser trochanter

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28
Q

What attaches to linea aspera ?

A

Pectineus

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29
Q

Action of pectenius?

A

Flexes and adduct the thigh

30
Q

The only muscle that flexes thigh at hip from quadriceps is

A

Rectus femoris

31
Q

Femoral artery is a continuation of ?

A

External iliac

32
Q

Patellar tendon reflex is testing?

33
Q

What passes through the subsartorial canal?

A

Femoral artery vein

And saphenous nerve

34
Q

The obterator artery is a branch of

A

Internal iliac

35
Q

Which muscle is ossified in horseback riders

A

Adductor long us

36
Q

To differentiate between adductor longus and Magnus ?

A

Longus is front of pubic bone

While Magnus is coming from inferior and ischial ramus

37
Q

Which muscle is used for transplant?

38
Q

Deep layer of medial thigh seen ?

A

Obterator exturnus under pectenius and adductor brevis

39
Q

What attaches to ischial tuberosity ?

A

Adductor Magnus

40
Q

Function of Gracillus ?

A

Flexes the leg and adducts the thigh

41
Q

How does perforating branches reach posterior Magnus ?

A

By peirceing adductor Magnus

42
Q

Great sciatic notch is found in the

43
Q

Bones of the gluteal region is ?

A

Coxal
Femur
Sacrum

44
Q

What forms the pelvic girdle?

A

Rt and Lt coxal bones and sacrum and coccyx

45
Q

Attachment of plantar aponeurosis ?

46
Q

Importance of plantar aponeurosis ?

A

Protect underlying nerves vessels tendons and synovial sheath
+ assist in maintaining the arches!

47
Q

Nerve supply for both extensor digitorum brevis and extensor hallucis brevis?

A

Deep peroneal

48
Q

What prevents the rocking movement at ankle joint?

A

The capsule is thickened inferiorly at talus

49
Q

Ligaments are strong during

A

Dorsiflexion

50
Q

What passes superficial to extensor retenaculem

A

Saphenous nerve and great saphenous vein

Superficial perenoal

51
Q

What causes Dorsiflexion

A

Gastrocnemius
Soleus
Extensor digitorum and hallucis

52
Q

Muscles importance in arches are only when

53
Q

Static support of arches by

A

Bones and ligaments

54
Q

Adductor tubercule is seen on

A

Lateral condyle

55
Q

How to differentiate between medial and lateral femoral and tibial articulation a ?

A 
Medial = oval
Lateral = circular
56
Q

What permits lateral rotation of tibia on femur during extension ?

A

The shape of lateral condyle a is circular

57
Q

Patellar tendon reflex assess ?

58
Q

Which muscle of medial compartment attaches to adductor tubercule by round tendon?

A

Hamstring part of adductor Magnus

59
Q

What supplies the skin to medial thigh?

60
Q

Anterior division of O nerve

A

Supplies Gracillus brevis and longus

61
Q

Posted division of O ?

A

Adductor Magnus and obterator exturnus

62
Q

Levator scapulae nerve supply

A

Dorsal scapular and cervical nerves

63
Q

A tear in rotator cuff can cause bursitis to?

A

Subacromial

64
Q

Lymphatics acompany basilica or deep lymphatica terminates in?

A

Humeral(lateral) nodes

65
Q

Cephalic vein terminates in ?

A

Infraclavicular or apical

66
Q

What divides compartments of arm?

A

Humerus and medial / lateral inter muscular septum

67
Q

Nerve root of thoracodorsal?

68
Q

Supra lateral arm cutaneous innervation?

69
Q

Lateral cutanoues nerve of forearm?

A

Musclocutaneous

70
Q

Posterior extensor arm supplied by?

A

Deep branch of radial

Msk (10 decks)

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