Which muscle originates from the medial epicondyle of the humerus?

Which muscle originates from the medial epicondyle of the humerus?

• A. Flexor Carpi Ulnaris
• B. Extensor Digitorum
• C. Extensor Carpi Radialis Longus
• D. External Oblique

Answer: (A)

Muscle origins on the inner side of the elbow point to the forearm flexors. The medial epicondyle of the humerus is the common origin for several flexor muscles, forming the common flexor tendon. Flexor Carpi Ulnaris is the one that specifically originates from the medial epicondyle (with an additional head attaching to the ulna), making it a primary wrist flexor that also contributes to ulnar deviation. The other muscles listed come from different sites: Extensor Digitorum from the lateral epicondyle, Extensor Carpi Radialis Longus from the lateral supracondylar ridge, and External Oblique is an abdominal muscle with no humeral origin.

Muscle origins on the inner side of the elbow point to the forearm flexors. The medial epicondyle of the humerus is the common origin for several flexor muscles, forming the common flexor tendon. Flexor Carpi Ulnaris is the one that specifically originates from the medial epicondyle (with an additional head attaching to the ulna), making it a primary wrist flexor that also contributes to ulnar deviation. The other muscles listed come from different sites: Extensor Digitorum from the lateral epicondyle, Extensor Carpi Radialis Longus from the lateral supracondylar ridge, and External Oblique is an abdominal muscle with no humeral origin.