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AnatomyT3Q2
| Term | Definition |
|---|---|
| agonist | (also, prime mover) muscle whose contraction is responsible for producing a particular motion |
| antagonist | muscle that opposes the action of an agonist |
| bipennate | pennate muscle that has fascicles that are located on both sides of the tendon |
| sphincter (circular) | fascicles that are concentrically arranged around an opening |
| convergent | fascicles that extend over a broad area and converge on a common attachment site |
| extensor | muscle that increases the angle at the joint |
| fascicle | muscle fibers bundled by perimysium into a unit |
| flexion | movement that decreases the angle of a joint |
| fusiform | muscle that has fascicles that are spindleshaped to create large bellies |
| insertion | end of a skeletal muscle that is attached to the structure (usually a bone) that is moved when the muscle contracts |
| origin | end of a skeletal muscle that is attached to another structure (usually a bone) in a fixed position |
| pennate | fascicles that are arranged differently based on their angles to the tendon |
| unipennate | pennate muscle that has fascicles located on one side of the tendon |
| Which of the following helps an agonist work? | synergist |
| Which of the following statements is correct about what happens during flexion? | The angle between bones is decreased. |
| Which is moved the least during muscle contraction? | origin |
| Which muscle has a convergent pattern of fascicles? | pectoralis major |
| A muscle that has a pattern of fascicles running along the long axis of the muscle has which of the following fascicle arrangements? | parallel |
| Which arrangement best describes a bipennate muscle? | The muscle fibers feed in on an angle to a long tendon from both sides. |
| The location of a muscle’s insertion and origin can determine | the action |
| Where is the temporalis muscle located? | the side of the head (temples) |
| Which muscle name does not make sense? | extensor minimus longus |
| Which of the following terms would be used in the name of a muscle that moves the leg away from the body? | abductor |
| Which muscle extends the forearm? | triceps brachii |
| What is the origin of the wrist flexors? | medial epicondyle of the humerus |
| The large muscle group that attaches the leg to the pelvic girdle and produces extension of the hip joint is the ________ group. | gluteal |
Created by:
haileyjordan
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