Upper Extremity Flashcards
Biceps Brachii
O - Supraglenoid tubercle of Scapula + Coracoid Process
I - Bicipital Aponeurosis (prox Ulna) + Radial tuberosity
A- Flexion of humerus @ GH, Flexion of forearm @ Elbow,
Supination of forearm @ RU
N - Musculocutaneous
Brachioradialis
O- Proximal 2/3, Lateral Supracondylar ridge of humerus
I- Styloid process of Radius
A- Flexion of forearm at elbow, esp. in Neutral “Beer Drinker”
N- Radial nerve
Triceps Brachii
O- L-Infraglenoid tubercle of scapula, Lat- Posterior Humerus superior to Radial groove M- rest of post surfce of Hmrs, infr to Radial groove
I- Olecranon process
A- Extension of forearm at elbow (Long head: EXT of arm @ SH)
N- Radial
Brachialis
O- Distal half, anterior surface of humerus
I- Coronoid process of ulna + Ulnar tuberosity
A- Flexion of forearm at elbow
N- Musculocutaneus nerve
Corachobrachialis
O- Coracoid Process of Scapula
I- middle 1/3, medial surface of humerus
A- Adduction and Flexion of humerus at shoulder
N- Musculocutaneous nerve
Pronator Teres
O- Medial epicondyle of humerus via the CFT and coronoid process of ulna
I - Middle, lateral aspect, radius
A- Pronates, weak flexor arm@ RU jt
N- Median
Anconeus
O - Lateral Epicondyle, Humerus
I- Olecranon Prcs +Prox 1/4 Post Ulna
A- Extension of forearm at elbow
N- Radial nerve
Anconeus
O - Lateral Epicondyle, Humerus
I- Olecranon Prcs +Prox 1/4 Post Ulna
A- Extension of forearm at elbow
N- Radial nerve
Flexor Carpi Radialis
O- Medial Epicondyle, via CFT
I- Base of 2nd and 3rd metacarpals
A- FLEX, Rad. Deviation hand@ wrist
N- Median Nerve
Flexor Carpi Ulnaris
O-Medial Epicondyle, via CFT
Prox Post. Ulna +
Med side, Olecranon prcss
I- Pisiform, hook of Hamate and Base of 5th Metacarpal
A- FLEX, Ulnar Deviation (ADD) hand @ wrist
N- Ulnar nerve
Palmaris Longus
O-Medial epicondyle via CFT
I- Palmar Fascia + Flexor Retinaculum
A- FLEX hand @ wrist
N- Median
Extensor Carpi Ulnaris
O- Lateral Epicondyle, Humerus via CET
I -Base of 5th Metacarpal, Med. Aspect
A- EXT and ulnar deviation
N- Radial nerve (C6,7,8)
Extensor Digitorum
Lateral Epicondyle, Humerus(Via CET)
I- Base of middle and distal phalanges 2nd-5th digits, dorsal surfaces, via DDE
A- EXT of fingers @ MCP, PIP + DIP
N- Radial nerve
ECRL
Lateral Supracondylar ridge of Humerus, distal 1/3
I- Base of 2nd metacarpal, dors. srfce
A- EXT+ Rad. Dev.(ABD) hand @wrist
N- Radial
ECRB
Lateral Epicondyle, Humerus via CET
I- Base, 3rd metacarpal dorsal surfce
O- EXT and Rad. Dev. hand @ wrist
N- Radial Nerve
Flexor Digitorum Superficialis
O-Medial Epicondyle via CFT, Coronoid Proces of ulna Anterior Radius Prox 1/2 along oblique line
I- Base of mid phlnges, fingers 2-5 . tendons split.
A- Flex fingers 2-5 @MCP, PIP. FLEXes hand@ wrist
N- Median
Flexor Digitorum Profundus
O-Prox1/2, Ant. Med. srfce, Ulna, IM
I- Distal Phalanx Ant surface fingers 2-5
A- Flexion, fingers 2-5 @ DIP, PIP, MCP. FLexion of wrist
N-Median and Ulnar nerve
Extensor Digiti Minimi
O- Lat Epcndle, hmrs, via CET
I-Mid and dstl phlnge, 5th digit via DDE
A- EXT 5th digit, EXt hand @ wrist, EXt forearm @ elbow
N- RAdial nerve
Extensor Digitorum
O - Lateral Epicondyle of humerus via CET
I- Fingers 2-5, distal phalanges via DDE
A - EXT fingers 2-5 @ MCP, PIP and DiP
EXT of wrist
Medial Rotation of finger 5 @ CMC
N- Radial
Extensor Digitorum
O - Lateral Epicondyle of humerus via CET
I- Fingers 2-5, distal phalanges via DDE
A - EXT fingers 2-5 @ MCP, PIP and DiP
EXT of wrist
Medial Rotation of finger 5 @ CMC
N- Radial
Extensor Digiti Minimi
Lateral Epicondyle of humerus via CET
I- Ulnar side of ED, post surfce.
Middle and distal phalanges via DDE
A- Extension of finger 5 @ Pip and DiP
EXt of wrist
Extensor Digiti Minimi
Lateral Epicondyle of humerus via CET
I- Ulnar side of ED, post surfce.
Middle and distal phalanges via DDE
A- Extension of finger 5 @ Pip and DiP
EXt of wrist
Extensor Digiti Minimi
Lateral Epicondyle of humerus via CET
I- Ulnar side of ED, post surfce.
Middle and distal phalanges via DDE
A- Extension of finger 5 @ Pip and DiP
EXT of wrist. Med. ROT 5th finger @ CMC
N- Radial N.
Palmaris Longus
O- Medial Epicondyle of Humerus via CFT
I- Palmar Aponeurosis and Flexor Retinaculum
A- Flexion of Hand @ wrist
N- Median nerve
