Muscle Shapes
A muscle that is round
Circular Muscle
What prefix means muscle?
Myo-
Which muscle closes eyelids?
Orbicularis oculi
What kind of connective tissue separates muscles that are next to each other?
Deep Fascia
This is the effect produced by the muscle, either producing or preventing movement
Action
A muscle that is tapered at one end and wide at the other end. It looks like a triangle.
Triangular
What word is often used in place of muscle cell?
Muscle cell = muscle fiber = ?
Myofiber
Which muscle elevates the eyebrows?
Frontalis
What kind of connective tissue is found between skin and muscles?
Superficial Fascia
This muscle creates the most force during a joint action.
Agonist (prime mover)
A muscle that has fascicles in the same direction
Parallel Muscle
What are the long protein bundles that occupy the main portion of the interior of the muscle fiber?
Myofibril
This muscle is the adductor and internal rotator of the humerus
Pectoralis Major
What is the fibrous sheath that surrounds the entire muscle called?
Epimysium
This muscle aids the prime mover and stabilizes the joint
Synergist
A muscle that is tapered at both ends
Fusiform Muscle
What microfilament is responsible for muscle cell contraction and is made of actin and myosin proteins?
Myofilaments
This muscle contracts during inhalation and relaxes during exhalation
Diaphragm
What connects muscle to bone?
Tendons
This muscle opposes the prime mover
Antagonist
A muscle that has oblique (diagonal) insertions along the tendon
Pennate Muscle
What are the two physiological classes of muscle fiber?
Slow oxidative (slow twitch) and fast glycolytic (fast twitch)
This muscle is the main aid in extending the hip.
Gluteus Maximus
What connective tissue surrounds the bundles of nerve fibers and carries the large nerves and blood vessels?
Perimysium
This muscle prevents the bone from moving
Fixator