Biceps brachii

Musculus biceps brachii

A two-headed muscle in the anterior compartment of the upper arm. The long head originates from the supraglenoid tubercle of the scapula, and the short head from the coracoid process. Both heads insert on the radial tuberosity and bicipital aponeurosis.

種類 Muscle
器官系 Muscular
身体部位 Upper Arm
親構造 forelimb stylopod muscle
ラテン語名 Musculus biceps brachii
FMA ID 37670

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.

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.

よくある質問

What is the Biceps brachii?
A two-headed muscle in the anterior compartment of the upper arm. The long head originates from the supraglenoid tubercle of the scapula, and the short head from the coracoid process. Both heads insert on the radial tuberosity and bicipital aponeurosis.
What is the function of the Biceps brachii?
Primary supinator of the forearm and powerful flexor of the elbow. Also assists in shoulder flexion. The long head assists in shoulder joint stabilization.
What body system is the Biceps brachii part of?
The Biceps brachii is part of the Muscular.
What conditions affect the Biceps brachii?
Biceps tendon ruptures cause a visible bulge (Popeye deformity). Bicipital tendinitis causes anterior shoulder pain. The biceps reflex tests the C5-C6 nerve roots.
Where is the Biceps brachii located?
The Biceps brachii is located in the Upper Arm region of the body.

関連構造

musculature muscle group tendon sheath synovial tendon sheath skeletal system set of all bones and joints orbital septum septum orbitale iliopsoas Hyrtl's muscle myocardium cardiac muscle conducting system of heart cardiac conducting system long head of biceps brachii capus longum of biceps brachii

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