Upper Limb- GA Dissector Flashcards
Deltoid Prox/Dist Att
Prox: lateral 1/3 clavicle, acromion, scap spine
Dist: deltoid tuberosity of the humerus
Teres major Prox/Dist attach
Prox: inf angle of scap
Dist: Crest of lesser tubericle (humerus)
What distal attachment is shared between supraspinatus, infraaspinatus, and teres minor?
Greater tubercle of humerus
Supraspinatus proximal attach?
Supraspinous fossa (scap)
Infraspinatus prox attach?
Infraspinous fossa (scap)
Teres minor prox attach?
Lateral border of scap
Subscapularis prox/dist attach?
Prox: Subscapular fossa (scap)
Dist: lesser tubercle (humerus)
Deltoid (clavicular, acromial, spinal parts) action?
Flexion, medial rotation, adduct
Abduction
Extension, lateral rotation, adduction
Teres maj. action
Medial rotation, adduct, extend
Supraspinatus action
Abduction
Infraspinatus action
Lat rotation
Teres minor action
Lat rotation; weak adduct
Subscapularis action
Medial rotation
Delt (clav, acromial, spinal) supply and innervation?
Posterior circumflex humeral a.
Axillary n. (C5,C6)
Teres major innerv and supply
Lower subscapular n.
Subscapular a.
Supraspinatus innerv and supply
Subscapular n. (C5,6)
Subscapular a.
Infraspinatus innerv and supply
Subscapular n. (C5,6)
Subscapular a.
Teres minor innerv and supply
Axillary n. (C5-6)
Circumflex scapular a.
Subscapularis innerv and supply
Subscapular n.
Subscapular a.
Triceps brachii (long, medial, lateral) prox and distal attachment
Prox: infraglenoid tubericle (scap); posterior humerus
Dist: olecranon (ulna)
Triceps brachii (long, medial, lateral) action
Elbow extension; shoulder extension and adduction
Triceps brachii (long, medial, lateral) innerve and supply
Radial n. (C5-8)
Deep brachial a.
Aconeus prox and dist attach
Prox: lateral epicondyle
Dist: olecranon (ulna)
Aconeus action
Extends elbow and tightens joint
Anconeus innerv and supply
Radial n. (C5-8)
Deep brachial a.
Biceps brachii long head prox and dist attach
Prox: Supraglenoid tubercle
distal: radial tuberosity
Biceps brachii short head prox and dist attach
Prox: coracoid process (scap)
Dist: radial tuberosity
Coracobrachialis prox and dist attach
Prox: Coracoid process
Distal: crest of lesser tubercle (humerus)
Biceps brachii long and short head action
Elbow flexion and supination; shoulder flexion; abduction
Biceps brachii long and short head innerv and supply
Musculocutanous n. (C5-7)
Brachial a.
Brachialis prox and distal attach
Prox: distal 1/2 of anterior humerus
Distal: ulnar tuberosity
Brachialis action
Elbow flexion
Brachialis innerv and supply
Musculocutaneous and radial n. (C5-7; C5-8)
Brachial a.
Choracobrachialis action
Flexion, adduction, medial rotation
Choracobrachialis innervation and supply
Musculocutaneous n. (C5-7)
Brachial a.
Pronator teres (Humeral and Ulnar head) prox and dist attach
Prox: medial epicondyle; coronoid process
Dist: lateral radius
Pronator teres (Humeral and Ulnar head) action
Elbow flexion (weak) and forearm pronation
Pronator teres (Humeral and Ulnar head) innerv and supply
Median n.
Anterior ulnar recurrent a.
Flexor carpi radialis prox and dist attach
Prox: medial epicondyle
Dist: Base MC 2
Flexor carpi radialis action
Wrist flexion and abduction
Flexor carpi radialis innerv and supply
Median n.
Radial a.
Palmaris longus prox and dist attach
Prox: medial epicondyle (humerus)
Dist: palmar aponeurosis
Palmaris longus action
Elbow flexion (weak); tightens palmar aponeurosis
Palmaris longus innerv and supply
Median n.
Post ulnar recurrent a.
Flexor carpi ulnaaris (Humeral/ulnar head) prox and dist attach
Prox: medial epicondyle; Olecranon
Dist: plastiform; hook of hamate; base MC 5
Flexor carpi ulnaaris (Humeral/ulnar head) action
Wrist flexion and adduction
Flexor carpi ulnaaris (Humeral/ulnar head) innerv and supply
Ulnar n.
Post ulnar recurrent a.
Flexor digitorum superficialis (humeroulnar/radial heads) prox and dist attach
Prox: medial epicondyle (humerus), proximal radius
Distal: middle phalanges 2-5
Flexor digitorum superficialis (humeroulnar/radial heads) action
Elbow flexion (weak); wrist flexion; MCP/PIP flexion digits 2-5
Flexor digitorum superficialis (humeroulnar/radial heads) innerv and supply
Median n.
Radial and ulnar aa.
Flexor digitorum profundus prox and distal attach
Prox: prox 2/3 ulna and interosseous mem
Dist: Distal phalanges of digits 2-5
Flexor digitorum profundus action
Wrist flex; MCP/PIP/DIP of digits 2-5
Flexor digitorum profundus innerv and supply
Median and ulnar nn.
Ulnar a.
Flexor pollicis longus prox and dist attach
Prox: radius and interosseous mem
Dist: distal phalanx digit 1
Flexor pollicis longus action
Wrist flex and abduct; flex of CMC/MCP/IP of digit 1
Flexor pollicis longus innerv and supply
Median n.
Ulnar a.
Pronator quadratus prox and dist attach
Prox: distal 1/4 ulna
Dist: distal 1/4 radius
Pronator quadratus action
Hand pronation
Pronator quadratus innerv and supply
Median n.
Ulnar a.