Head & Neck
Trunk & Arm
Leg
Antagonist Muscles
Definitions
100

Raises the eyebrows and wrinkles the forehead.

What is frontalis?

100

Interior abdominal muscles that help you bend and rotate.

What are internal obliques?

100

Medial side of each thigh and presses thighs together.

What are adductor muscles?

100

Flex and extend the elbow.

What are bicep brachii and tricep brachii?

100

A muscle with the major responsibility for a certain movement.

What is a prime mover?

200

Flattens cheek and holds food in while chewing.

What is buccinator?

200

Exterior abdominal muscles that go up and down. 

What is rectus abdominis?

200

Plantar flexes and everts the foot.

What are fibularis muscles?

200

Flex and extend the knee.

What are hamstring and quadricep groups?

200

A muscle that opposes or reverses a prime mover.

What is an antagonist?

300

Synergist in closing the jaw.

What is temporalis?

300

Lower back muscles that extend and adduct the humerus.

What is latissimus dorsi?

300

Deep to the gastrocnemius, also a plantar flexor of the foot.

What is soleus?

300

Flex and extend the neck.

What are sternocleidomastoid and trapezius?

300

A muscle that aids a prime mover and helps prevent rotation.

What is a synergist?

400

They flex the neck when contracted.

What is sternocleidomastoid?

400

Made of 3 long muscles that help extend the vertebral column.

What is erector spinae?

400

Prime mover for hip flexion, keep from falling backwards.

What is iliopsoas?

400

Extend and flex the fingers.

What are extensor and flexor digitorum?

400

A muscle that stabilizes the origin of a prime mover.

What is a fixator?

500

Pulls the scalp posteriorly.

What is occipitalis?

500

Muscles that extend the head and are antagonistic to the sternocleidomastoid.

What is trapezius?

500

Most superficial muscle of the thigh, weak thigh flexor.

What is sartorius?

500

Abduction and adduction of shoulder.

What are deltoid and latissimus dorsi?

500

Muscle attachment to a moveable bone and an immovable bone (2 separate answers).

What are insertion and origin?