-
Biceps Brachii -
- O: Long Head- superior gleniod fossa
- Short Head - Corocoid Process
- I: Radial Tuberosity
-
Triceps Brachii -
- O: Long head - just below glenoid fossa
- Medial Head - lower 2/3 humerus
- Lateral Head - upper 1/2 humerus
- I: Olecranaon Process
-
Brachialis -
- O: Lower 1/2 humerus (medially)
- I: Coronoid Process
-
Brachioradialis -
- O: Lower 1/3 humerus (Laterally)
- I: Radial Styloid
-
Pronator Teres -
- O: Medial epicondyle and coronoid process
- I: Middle of lateral surface of radius
-
Supinator -
- O: Lateral epicondlye, annular lig, RCL
- I: Lateral upper 1/3 of radius
-
Anconeus (stability)
- O: Posterior aspect of lateral epicondyle
- I: Olecranon and posterior ulna
-
Flexor Digitorum Profunus -
- O: Volar side of Ulna
- I: 4 Tendons to the DIP of 2-5
-
Flexor Digitorum Superficialis -
- O: Common Flexor - Medial Epicondyle
- I: 4 Tendons split to sides of middle phalanges
-
Flexor Carpi Ulnaris -
- O: Common flexor - medial epicondyle
- I: Pisiform, hamate, base of 5th metacarpal
-
Flexor Carpi Radialis -
- O: Common Flexor - medial epicondyle
- I: Base of 2nd and 3rd metacarpals
-
Extensor Digitorum -
- O: Common extensor - lateral epicondyle
- I: 4 Tedons to proximal phalanges and distal phalanges
-
Extensor Carpi Ulnaris -
- O: Common Extensor - Lateral epicondyle
- I: Dorsal surface of base of 5th metacarpal
-
Extensor Carpi Radialis Longus -
- O: Lateral supracondylar ridge of humerus
- I: Dorsal surface of base of 2nd metacarpal
-
Extensor Carpi Radialis Brevis -
- O: Common extensor - lateral epicondyle
- I: Dorsal surface of base of 3rd metacarpal
-
Flexor Pollicis Brevis -
- O: Flexor retinaculum and trapezium
- I: Palmar surface - base of proximal phalanx of thumb
-
Extensor Pollicis Brevis -
- O: Dorsal Surface of radius/int. membrane
- I: Dorsal surface - base of proximal phalanx of thumb
-
Abductor Pollicis Brevis -
- O: Trapezium and scaphoid/navicular
- I: Base of proximal phalanx of thumb
-
Abductor Pollicis Longus -
- O: Ulna and Radius
- I: Dorsal Surface of base of 1st metacarpal
-
Adductor Pollicis -
- O: Anterior surface of 2nd and 3rd metacarpal, trapezoid, and capitiate
- I: Medial Base of proximal phalanx of thumb
-
Pronator Quadratus -
- O: Anterior surface of Distal 1/4 of ulna
- I: Ant. surface of distal 1/4 of radius
-
Palmaris Longus -
- Absent in 1/4 of population
- O: Common flexor - medial epicondyle
- I: Flexor Retinaculum and palmar
- Aponeurosis (Palmar fascia)
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