What is the origin of the extensor carpi radialis brevis?
The extensor carpi radialis brevis originates from the lateral epicondyle of the humerus by a common tendon shared with other muscles of the posterior superficial compartment including the extensor carpi ulnaris, extensor digiti minimi, and extensor digitorum.
What are the attachments of the extensor carpi radialis brevis?
Extensor carpi radialis brevis muscle
| Origin | Lateral epicondyle of humerus (common extensor tendon) |
|---|---|
| Insertion | Posterior aspect of base of metacarpal bone 3 |
| Action | Wrist joints: Hand extension, hand abduction (radial deviation) |
| Innervation | Radial nerve (C5- C6) |
What is the origin of the extensor carpi ulnaris?
Origin. The extensor carpi ulnaris muscle originates from the lateral epicondyle of the distal humerus and the posterior aspect of the ulna.
Where does the flexor carpi radialis originate and insert?
Flexor carpi radialis muscle
| Origin | Medial epicondyle of humerus |
|---|---|
| Insertion | Bases of metacarpal bones 2-3 |
| Action | Wrist joint: Wrist flexion, wrist abduction |
| Innervation | Median nerve (C6, C7) |
| Blood supply | Anterior/posterior recurrent ulnar artery, radial artery |
What is the origin and insertion of the extensor carpi radialis longus?
This muscle originates from the lateral supracondylar ridge, which is a raised ridge of bone that is located at the bottom of the humerus, right above the lateral epicondyle. This muscle then inserts onto the base of the 2nd metacarpal, which is the bone of the index finger that is located in the hand.
Which of the following is the origin of the flexor carpi radialis muscle?
Origin. The flexor carpi radialis originates from the medial epicondyle of the humerus, passes obliquely downwards to the lateral side of the forearm.
What is the origin and insertion of the wrist extensors?
Extensor Digitorum Communis is sometimes simply referred to as Extensor Digitorum. It is one of the extensor muscles of the wrist, found in the forearm. Origin – Lateral epicondyle of the humerus. Insertion – Splits into 4 tendons which insert to the bases of the 2nd and 3rd Phalanges of the four fingers.
What is the origin and insertion of the flexor carpi ulnaris?
Flexor carpi ulnaris is a fusiform muscle located in the anterior compartment of the forearm….Flexor carpi ulnaris muscle.
| Origin | Medial epicondyle of humerus, olecranon and posterior border of ulna |
|---|---|
| Insertion | Pisiform bone, hamate bone, base of metacarpal bone 5 |
What is the origin of the flexor carpi radialis?
What is the insertion of the flexor carpi radialis?
Second metacarpal boneFlexor carpi radialis muscle / InsertionThe second metacarpal bone is the longest, and its base the largest, of all the metacarpal bones. Wikipedia