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5 days ago · In this article, we shall look at the anatomy of the intrinsic muscles of the shoulder – their attachments, innervation and actions. The intrinsic muscles (also known as the scapulohumeral group) originate from the scapula and/or clavicle, and attach to the humerus.
- Axillary Nerve
In this article, we shall look at the anatomy of the...
- Upper Arm
In this article, we shall look at the anatomy of the muscles...
- Axillary Nerve
6 days ago · Actions: Abduction of the digits. Assists in flexion at the metacarpophalangeal joints and extension at the interphalangeal joints. Innervation: Ulnar nerve. Palmar Interossei. These are located anteriorly on the hand.
Sep 23, 2024 · Abduction and adduction are terms that refer to certain body motions or movements. Abduction is the opposite of adduction. With abduction, limbs (arms, legs or fingers) are moved away from your body’s midline.
Sep 9, 2024 · Shoulder adduction and abduction serve to lower the arm toward and lift the arm away from the body, respectively. They can be visualized by picturing someone doing jumping jacks. Adduction is accomplished primarily by the pectoralis major, latissimus dorsi, teres major, triceps, and coracobrachialis.
Sep 15, 2024 · While adduction and abduction describe a movement pattern, the muscles that enable these motions in the lower body are generally known as the abductors (outer thigh) and adductors (inner...
As the knee is a synovial hinge joint, its function is to permit the flexion and extension of the lower leg relative to the thigh. The range of motion of the knee is limited by the anatomy of the bones and ligaments, but allows around 120 degrees of flexion.
6 days ago · The elbow joint is a complex hinge joint formed between the distal end of the humerus in the upper arm and the proximal ends of the ulna and radius in the forearm. The elbow allows for the flexion and extension of the forearm relative to the upper arm, as well as rotation of the forearm and wrist.
