A man lying in the supine position. The supine position (/sÉËpaÉªn/ or /ËsuËpaÉªn/) is a position of the body: lying with the face up, as opposed to the prone position, which is face down, sometimes with the hands behind the head or neck.
For the musician known as Somatic, see Hahn Rowe. The somatic nervous system (SoNS or voluntary nervous system) is the part of the peripheral nervous system associated with skeletal muscle voluntary control of body movements.The SoNS consists of afferent nerves and efferent nerves.esides these, thousands of association nerves are also present in the body. Thus somatic nervous system consists of three parts: 1  Spinal nerves: They are peripheral nerves that carry sensory information into and motor commands out of the spinal cord.
Chapter 16: Systems, Support, and Movement 585 Movement The works with the skeletal system to allow move-ment. Like all muscles, the muscles that produce movement are made upof individual cells called muscle fibers.These fibers contract and relax.Most of the muscles involved in moving the body work in pairs.Asthey contract, muscles shorten, pulling against bones. It may surpriseyou to know that muscles do not push.ike all muscles, the muscles that produce movement are made upof individual cells called muscle fibers. These fibers contract and relax.Most of the muscles involved in moving the body work in pairs. Asthey contract, muscles shorten, pulling against bones. It may surpriseyou to know that muscles do not push.