Biceps brachii vs Median nerve
| 特性 | Biceps brachii | Median nerve |
|---|---|---|
| ラテン語名 | Musculus biceps brachii | Nervus medianus |
| 種類 | Muscle | Nerve |
| 器官系 | Muscular | Nervous |
| 身体部位 | Upper Arm | Forearm |
| 機能 | Primary supinator of the forearm and powerful flexor of the elbow. Also assists in shoulder flexion. The long head assists in shoulder joint stabilization. | Provides motor innervation to most flexors of the forearm and thenar muscles of the hand. Provides sensory innervation to the lateral palm and palmar surface of the lateral three and … |
| 臨床的意義 | Biceps tendon ruptures cause a visible bulge (Popeye deformity). Bicipital tendinitis causes anterior shoulder pain. The biceps reflex tests the C5-C6 nerve roots. | Carpal tunnel syndrome is compression of the median nerve at the wrist, causing numbness, tingling, and weakness. Anterior interosseous syndrome affects motor function. Pronator teres syndrome compresses the nerve proximally. … |
| FMA ID | 37670 | 14385 |
Full structure pages
Biceps brachii
Musculus biceps brachii
A two-headed muscle of the anterior compartment of the upper arm, the biceps brachii is the primary supinator of the forearm and a powerful flexor of the elbow, also assisting in flexion of the shoulder. …
Median nerve
Nervus medianus
Formed from the lateral and medial cords of the brachial plexus (C5 to T1), the median nerve supplies most of the flexor muscles of the forearm and the thenar muscles of the hand, and carries …