Anatomy: Arm Flashcards
Extensor Carpi Radialis Longus Origin
Distal 1/3 of lateral supracondylar ridge of the humerus
Extensor Carpi Radialis Brevis Origin
Lateral epicondyle of humerus
Extensor Carpi Radialis Longus Insertion
Base of 2nd metacarpal
Extensor Carpi Radialis Brevis Insertion
Base of 3rd metacarpal
Extensor Carpi Radialis Longus & Brevis Action
1) Extend wrist
2) Abduct wrist
3) Assist flexion of forearm and elbow
Extensor Carpi Radialis Longus & Brevis Texture & Depth
Ropy, Superficial
Extensor Digitorum Origin
Lateral epicondyle of the humerus
Extensor Digitorum Insertion
Bases of middle and distal phalanges of the 2nd to 5th digits (dorsal surface)
Common Extensor Tendon
Lateral epicondyle of the humerus
Extensor Digitorum Action
Extend 2nd through 5th digits at MCP and IP joints
Extensor Digitorum Texture & Depth
Ropy, Superficial
Extensor Carpi Ulnaris Origin
Lateral epicondyle of the humerus
Extensor Carpi Ulnaris Insertion
Base of 5th metacarpal
Extensor Carpi Ulnaris Action
1) Extend wrist
2) Adduct wrist (ulnar deviation)
Extensor Carpi Ulnaris Texture & Depth
Ropy, Superficial
Common Flexor Tendon
Medial epicondyle of the humerus
Flexor Carpi Radialis Origin
Medial epicondyle of the humerus
Flexor Carpi Radialis Insertion
Base of 2nd and 3rd metacarpal
Flexor Carpi Radialis Action
1) Flexes wrist
2) Abducts wrist (radial deviation)
3) Assists with flexing forearm
Flexor Carpi Radialis Texture & Depth
Ropy, Superficial
Palmaris Longus Origin
Medial epicondyle of humerus
Palmaris Longus Insertion
Flexor Retinaculum, Palmar Aponeurosis