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A&P 9wks Test
Muscular System
| Term | Definition |
|---|---|
| Aponeurosis | A fibrous, flattened, sheet-like tendon |
| Endomysium | The connective tissue that surrounds individual muscle fibers |
| Sustained Tetanic Contraction | Is the result of summation and recruitment together |
| Muscle Fatigue | Is the inability to contract after a period of sustained, strenuous exercise |
| Skeletal Muscle Fiber | Is an individual cell that contracts and shortens when stimulated |
| Gastrocnemius | Muscle that produces plantar flexion |
| Deltoid | The muscle that abducts the upper arm and can both flex and extend the humerus is the |
| Primary Extensors of The Upper Arm | Are the teres major and latissimus dorsi |
| Insertion of The Sternocleidomastoid | Mastoid process of the temporal bone |
| Semispinals,Splenius Capitis & Sternocleidomastoid | Are muscles that flex, extend, and rotate the head |
| Buccinator | The muscle that compresses the cheeks inward when it contracts |
| Muscles that are involved in chewing are attached to the | Mandible |
| Antagonistic Muscles | Perform functions opposite to those performed by the prime mover |
| Synergists | Muscles that assist the prime mover in producing a movement |
| Muscle tone refers to | refers to a state of sustained, partial contraction of muscles that is necessary to maintain posture |
| During High Intensity Exercise | muscle fibers rely upon anaerobic respiration |
| Acetylcholine is released | When a nerve impulse reaches the end of a motor neuron |
| ATPase is stored | In the globular portion of the myosin filament |
| Synaptic Vesicles | Is NOT a characteristic of the motor end plate on a muscle fiber |
| The Sarcomere | the basic unit of skeletal muscle extends from Z line to Z line |
| Skeletal Muscle Cells | Contain many nuclei and mitochondria |
Created by:
Jourdie
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