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A&P 9wks Test

Muscular System

TermDefinition
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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