Diet and Nutrition News & Advice. Supporting Sustainability on International Youth Day. August 12th is International Youth Day! The United Nations first designated International Youth Day in 2000 to draw attention to the health, cultural, and economic issues on a...
The splenius muscle is a superficial (top layer) muscle found on each side of the neck. It attaches the cervical (neck) and thoracic (upper back) vertebrae to the skull (mastoid process of temporal bone).ctivities that cause splenius muscle pain and symptoms in the horse: 1  A rider who constantly pulls or balances on the reins (lesson horse, rental horse). 2  A horse whose discipline requires collection and flexion of the head/neck (dressage, race horses).
sphincter pupillae muscle Smooth, circular muscle about 1 mm broad, forming a ring all round the pupillary margin near the posterior surface of the iris. It is innervated by parasympathetic fibres of the oculomotor nerve that synapse in the ciliary ganglion and by a few sympathetic fibres.rbicular muscle of mouth a name applied to a complicated sphincter muscle of mouth, comprising a labial part, fibers restricted to the lips, and a marginal part, fibers blending with those of adjacent muscles; innervation, facial; action, closes and protrudes lips.