الدالية vs رباعية الرؤوس الفخذية

الدالية

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 …

العضلي الكتف

رباعية الرؤوس الفخذية

Musculus quadriceps femoris

A four-headed muscle group of the anterior thigh, the quadriceps femoris is the most powerful extensor of the knee and is central to standing, walking, climbing stairs, and running. Its four heads, the rectus femoris, …

العضلي الفخذ