Exam Bank for Muscular System - Questions and Correct Answers Latest Update 2025
Diaphragm - Answers Large, flat muscle at the bottom of the chest cavity that helps with breathing. The
prime mover for inhalation.
triceps brachii - Answers the prime mover for forearm extension
quadriceps femoris - Answers this group of four muscles is considered the most powerful in the human
body
hamstrings - Answers the antagonists of the quadriceps, located in the posterior thigh
biceps brachii - Answers the brachioradialis is the synergist to this muscle in flexion
tibialis anterior - Answers prime mover of dorsiflexion
epicranius - Answers the main muscle of the scalp that allows you to raise your eyebrows and wrinkle
your forehead
latissimus dorsi - Answers the large triangular muscle of the lower back
adductors - Answers the main muscles of the inner thighs
masseter - Answers the prime movers that allow your jaw to close so that you can chew your food
temporalis - Answers the prime movers that allow your jaw to close so that you can chew your food
erector spinae - Answers a group of muscles that run the length of the vertebral column and keep our
backs straight
prime mover (agonist) - Answers muscles most responsible for producing a certain movement
Synergist - Answers muscles that help the prime mover, such as stabilizing across a joint or adding some
"oomph"
antagonist - Answers muscles that oppose or do the reverse of a certain movement
insertion - Answers where the muscle is attached to a movable bone
origin - Answers where muscle is attached to an immovable bone
fixator - Answers synergist muscles that specifically immobilize the muscle's origin bone to increase the
prime mover's effectiveness
myofibrils - Answers organelle that makes up most of muscle cells
myofilaments - Answers The contractile proteins, actin and myosin, of muscle cells
sarcomeres - Answers contractile units within myofibrils, the smallest contractile unit of a muscle
Diaphragm - Answers Large, flat muscle at the bottom of the chest cavity that helps with breathing. The
prime mover for inhalation.
triceps brachii - Answers the prime mover for forearm extension
quadriceps femoris - Answers this group of four muscles is considered the most powerful in the human
body
hamstrings - Answers the antagonists of the quadriceps, located in the posterior thigh
biceps brachii - Answers the brachioradialis is the synergist to this muscle in flexion
tibialis anterior - Answers prime mover of dorsiflexion
epicranius - Answers the main muscle of the scalp that allows you to raise your eyebrows and wrinkle
your forehead
latissimus dorsi - Answers the large triangular muscle of the lower back
adductors - Answers the main muscles of the inner thighs
masseter - Answers the prime movers that allow your jaw to close so that you can chew your food
temporalis - Answers the prime movers that allow your jaw to close so that you can chew your food
erector spinae - Answers a group of muscles that run the length of the vertebral column and keep our
backs straight
prime mover (agonist) - Answers muscles most responsible for producing a certain movement
Synergist - Answers muscles that help the prime mover, such as stabilizing across a joint or adding some
"oomph"
antagonist - Answers muscles that oppose or do the reverse of a certain movement
insertion - Answers where the muscle is attached to a movable bone
origin - Answers where muscle is attached to an immovable bone
fixator - Answers synergist muscles that specifically immobilize the muscle's origin bone to increase the
prime mover's effectiveness
myofibrils - Answers organelle that makes up most of muscle cells
myofilaments - Answers The contractile proteins, actin and myosin, of muscle cells
sarcomeres - Answers contractile units within myofibrils, the smallest contractile unit of a muscle
