zool lab 10

– the attachment of the muscle to the bone that remains stationary

fleshy part of the muscle

the attachment of the muscle to the bone that moves

any movement is generally accomplished by more than one muscle.

muscles and muscle groups usually work in pair

is short, firm, tight and thicker around.

Muscle that bends the joint when contracted.

Muscle that straightens the joint when contracted.

e is stretched, long, loose and thinner around.

turns a part, rotates a limb (

raises a part (shoulder blade, eyebrow)

lowers a part (eyebrow)

moves a limb towards the midline

–moves a limb away from the midline

closes an opening

enlarges or widens an opening

small muscle located in front of the tympanic ring; levator to the lower jaw and close to the mouth

broad muscle behind the tympanic ring; closes the mout

- muscles covering the outer surface of suprascapular; raises the arms towards the body

small muscle overlapping the posterior portion of the suprascapular; abducts the arm and pulls the arm upward and backward

small muscle that extends from the tip of suprascapula to the region between the tympanic ring and the eye; opens the mout

long muscle running close and along the vertebral column; raises the head and straightens the back

– a short muscle lying between the rectus femoris anticus and vastus externus; pulls the thigh forward and upward

a small slender muscle extending ventrally and posteriorly from the tip of the urostyle and between the origin of the biceps femoris and the semimembranosus; draws the femur dorsally and also pulls the urostyle to one side

a large muscle covering the entire front of the thigh

- a large muscle lying on the posterior margin of the dorsal surface of the thigh; adducts the thigh, extends and flexes the shank

- a long slender muscle immediately below the vastus externus and partly covered by it; adducts the thigh and flexes the leg

triangularly shaped muscle that lies at the anterior border of the shoulder; raises and rotates the humerus

largely covers the chest region

ventral to pectoralis

broad, thin muscles covering the ventral side of the abdomen; support the abdominal viscera

band of connective tissue that runs down the abdomen

- a very thin sheet of muscle at the ventral surface of the head region; pulls the floor of the mouth downward during breathing

- stout triangular muscle lying behind the sartorius which crosses it at its distal end; adducts the thigh, and pulls the thigh forward

a thin flat muscle which traverses the thigh obliquely; pulls the thigh forward and ventrally, and also pulls the shank

- a large muscle lying at the posterior margin of the ventral side of the thigh; extends and flexes the leg, and pulls the femur backward

a large muscle at the back of the shank; flexes the leg and extends the foot