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MSK Anatomy > Upper Limb Overview > Flashcards

Upper Limb Overview Flashcards

1
Q

What is the only bone to bone joint that connects the upper limb to the axial skeleton?

A

Sternoclavicular

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2
Q

The shoulder joint called the _______ joint is _______ than the hip

A

glenohumoral

shallower

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3
Q

The ulna articulates with __1____ and the radius with the ___2_______

A

1) trochlea

2) capitulum

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4
Q

What are the only two carpal bones that articulate with the radius?

A

scaphoid and lunate

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5
Q

___1____ moves over the ____2____ during pronation

A

1) radius

2) ulna

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6
Q

What is the carrying angle?

A

Intersection of upper arm and forearm when carrying something- elbows stick out slightly to create this angel which stops you hitting pelvis when moving arms when walking.

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7
Q

How is thumb movement different from movement of other fingers?

A

Thumb has ninety degree rotation so flexion is almost out to the side whereas flexing fingers moves them down

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8
Q

What joint is really easily dislocated in kids?

A

Elbow

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9
Q

Axio appendicular muscles?

A

Trapezius, latissimus dorsi, rhomboid minor and major, serratus anterior, pectoralis major and minor

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10
Q

Scapula region muscles?

A

Levator scapulae, rotator cuff muscles.

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11
Q

4 rotator cuff muscles?

A

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

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12
Q

What rotator cuff muscles attach to the greater tuberosity?

A

Supraspinatus
Infraspinatus
Teres minor

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13
Q

What rotator cuff muscle attaches to the lesser tuberosity?

A

Subscapularis

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14
Q

Anterior arm compartment muscles?

A

Biceps brachii
Brachialis
Coracobrachialis

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15
Q

Innervation of anterior compartment of the arm?

A

Musculocutaneous n.

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16
Q

Action of anterior compartment of the arm?

A

Flexion of arm and forearm

17
Q

Posterior compartment of the arm muscle?

A

Triceps brachii

18
Q

Innervation of posterior compartment of the arm?

A

Radial nerve

19
Q

Action of posterior compartment of the arm?

A

Extension of arm and forearm

20
Q

Forearm anterior compartment superficial layer?

A

Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi lunaris

21
Q

Forearm anterior compartment intermediate layer?

A

flexor digitorium superficialis

22
Q

Forearm anterior compartment deep layer?

A

flexor pollucis longus, pronator quadratus, flexor digitorum profundus

23
Q

Innervation of anterior compartment of the forearm?

A

All Median nerve, except flexor carpi ulnaris and medial half of flexor digitorum profundus (Ulnar nerve)

24
Q

Action of anterior compartment of the forearm?

A

Flexion of the wrist and digits, pronation, abduction and adduction of the wrist.

25
Q

Forearm posterior compartment of forearm superficial layer?

A 
BRACHIORADIALIS
EXTENSOR CARPI RADIALIS LONGUS
EXTENSOR CARPI RADIALIS BREVIS
ANCONEUS
EXTENSOR DIGITORUM
EXTENSOR CARPI ULNARIS
EXTENSOR DIGITI MINIMI
26
Q

Forearm posterior compartment of forearm deep layer?

A 
Supinator
Extensor pollucis brevis
Extensor pollucis longus
Abductor pollucis longus
Extensor Indicis
27
Q

Innervation of the posterior compartment of the forearm?

A

All radial nerve

28
Q

Action of posterior compartment of the forearm

A

Extension of the wrist and digits, supination, abduction and adduction of the wrist.

29
Q

What is the thenar eminence?

A

group of muscles on the palm of the human hand at the base of the thumb

30
Q

What is the hypothenar eminence?

A

group of intrinsic hand muscles

31
Q

Muscles of thenar eminence?

A

Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis

32
Q

Muscles of the hypothenar eminence?

A

Abductor digiti minimi
Flexor digiti minimi brevis
Opponens digiti minimi

33
Q

Innervation of the thenar eminence?

A

Recurrent branch of the median nerve

34
Q

Innervation of the hypothenar eminence?

A

Deep branch of the ulnar nerve

35
Q

Muscles in the fingers?

A

Lumbricals, dorsal and palmar Interossei

36
Q

Where does the brachial plexus originate from?

A

C5-T1

MSK Anatomy (13 decks)

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