Sep 26, 2025 · Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and …

Nov 1, 2025 · The musculoskeletal system (also referred to separately as the muscle system and the skeletal system), composed of the skeletal muscles and bones (with about 206 of the latter …

Take this Health & Medicine image quiz at Encyclopaedia Britannica to test your knowledge of bones and muscles.

Oct 11, 2025 · What are the primary functions of the human skeleton? The primary functions of the human skeleton are support, protection, and motion. Support is the most primitive and …

Sep 29, 2025 · For the actions of the major muscles of the mammalian leg, see adductor muscle; biceps muscle; gastrocnemius muscle; gluteus muscles; quadriceps femoris muscle; sartorius …

The anatomy of the eye includes auxiliary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina.

Nov 20, 2025 · The major function of the vertebral column is protection of the spinal cord; it also provides stiffening for the body and attachment for the pectoral and pelvic girdles and many …

The muscle that extends, or straightens, the arm is the triceps, which arises on the humerus and attaches to the ulna at the elbow; the brachialis and biceps muscles act to bend the arm at the …

Oct 30, 2025 · Kinesiology is the interdisciplinary study of human movement, combining anatomy, physiology, neuroscience, and biomechanics to understand how the body functions and …

Nov 17, 2025 · Muscle, contractile tissue found in animals, the function of which is to produce motion. Muscle cells fuel their action by converting chemical energy in the form of adenosine …