Science Quiz / Upper Extremity

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Can you name the Upper Extremity?

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HintAnswer
4 muscles abduct Dab
3 heads: medial, lateral, long.. Medial + lateral shaft of humerus. Long on scapula..Extension
2 heads: Long/short Short head on coracoid process and inserts on radial tuberosity on radius. Long head on supraglenoid tubercule and inserts on upper ulna.. Supinates plus flexor
Deep to clavicle
Extends digit 5
Diamond shpaed. Goes from vertebrae to scapula. 2nd muscle to prevent winging
Medial epicondyle goes down to form palmar aponeurosis
Origin: Ribs Inserts: scapula posteriorly. Holds Scapula against body wall
Same function as minor but inferior in location
Adduction of wrist.. Lateral epicondyle.. Extends
Inserts on shaft of humerus originates on vertebrae. Extension + adduction
HintAnswer
Radial wrist insertion (lateral) flexor + abductor
Deep to scapula Subscapularis fossa and inserts on humerus. Medial rotator adductor
medial epicondyle to pisiform bone of hand. Adduct + flex
Inferior to infraspinatus. Posterior part of proximal humerus.. Lateral roatator
Abducts thumb
Abducts thumb
Adducts thumb on metacarpal 3
flexes thumb
Abduction.. Lateral epicondyle.. Extends
Pronator.. Distal part of radius + ulna
Scapula to humerus shaft.. Medial rotator adductor of humerus
HintAnswer
Keeps scapula pressed against thoracic wall.. Deep to trapezius and superior to Rhomboideus major
Abducts digit 5
Flex digits 2-5
Flex digit 1
3 muscle inbetween metacarpals.. Adduct.. Pad
Elevates scapula
Between radius + humerus.. Flexor supenator
Origin: chest insertion: humerus causes flexion
Origin: Ribs Inserts: achromion Stabalizes scapula
Origin: ulna pronates the forearm
Extends thumb
HintAnswer
4 small muscle of the hand
Extends digits 2-5
Rotates 5th digit to meet thumb
Covers glenohumeral joint.. Causes adduction
Flexes digit 5
Flexor of elbow Inserts on ulna originates on humerus
Infraspinatus fossa to posterior part of proximal humerus.. Lateral rotator
Origin: supraspinatus fossa Insertion: greater tubercule Abducts at shoulder
Crosses elbow weak extensor contracts during pronation + supination.. Humerus to ulna
Humerus and wraps around radius.. Supinator
Deepest of three thenar muscles.. Rotates thumb to touch other finger tips

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