Biceps brachii vs Deltoid

Properti Biceps brachii Deltoid
Nama Latin Musculus biceps brachii Musculus deltoideus
Tipe Muscle Muscle
Sistem Tubuh Muscular Muscular
Wilayah Tubuh Upper Arm Shoulder
Fungsi Primary supinator of the forearm and powerful flexor of the elbow. Also assists in shoulder flexion. The long head assists in shoulder joint stabilization. The primary abductor of the shoulder joint. The anterior fibers flex and medially rotate the arm. The posterior fibers extend and laterally rotate the arm. Gives the shoulder its rounded …
Signifikansi Klinis Biceps tendon ruptures cause a visible bulge (Popeye deformity). Bicipital tendinitis causes anterior shoulder pain. The biceps reflex tests the C5-C6 nerve roots. Deltoid paralysis from axillary nerve injury prevents arm abduction. The deltoid is a common site for intramuscular injections. Rotator cuff tears may cause compensatory deltoid overuse.
FMA ID 37670 32521

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. …

Muscular Upper Arm

Deltoid

Musculus deltoideus

Thick and triangular, the deltoid caps the shoulder joint and gives the shoulder its rounded contour. It is the primary abductor of the joint; its anterior fibers flex and medially rotate the arm, while its …

Muscular Shoulder