Quiz 6- Muscles

Gastrocnemius

The achilles tendon attaches the souls and this muscle to the heel bone

Hamstrings

Composed of the biceps femoris, semitendinosus, and semimembranosus

Gastrocnemius

Contraction causes plantar flexion; called the toe dancers muscle

Diaphragm

Dome-shaped muscle that separates the thoracic cavity from the abdominpelvic cavity; important breathing muscle

Quadriceps

Group of muscles that extend the leg at the knee as in kicking a football

Serratus Anterior

Jagged muscles that resembles the teeth of a saw; it lowers the shoulder and moves the arm, as in pushing a cart

Sartorius

Longest muscle in the body; it crosses obliquely over the anterior thigh and is used to sit cross-legged

Biceps Brachii

Muscle that flexes the forearm; when you ask a child to "make a muscle" this pops up

Deltoid

Muscle that forms the rounded portion go the shoulder; when contracted it positions the arm in the "scarecrow" position

Sternocleidomastoid

Muscles on either side of the neck that causes flexion of the head as in praying; contraction of only one of these muscles rotates the head