Term
| 3 functions of skeletal muscle |
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Definition
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Term
| Characteristics of skeletal muscle |
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Definition
Contractility
Excitability
Extensibility
Elasticity |
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Definition
| (shorten w force, lengthen passively) |
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Definition
| (recoil to original resting length) |
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Definition
| muscles with the same fx work together |
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Definition
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Definition
| cell membrane of muscle fibre |
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Definition
| reservoir for calcium ions |
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Definition
| linear arrangement of sarcomeres within a muscle fibre |
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Definition
| unit of contraction in a muscle fibre |
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Definition
| termination of motor neuron on the sarcolemma of muscle fibre |
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Definition
| space between axon of one neuron and cell body or dendrite of the next |
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Term
| Contracting proteins of sarcomeres |
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Definition
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Definition
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Term
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Definition
decrease angle of a joint
increase angle of a joint |
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Definition
adduction toward midline
abduction away from midline |
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Term
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Definition
pronation turn palm downward
supination turn palm up |
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Term
dorsiflexion
plantar flexion |
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Definition
dorsiflexion toes up
plantar flexion
toes down |
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Term
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Definition
| part of the brain that contraction of voluntary muscle |
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Definition
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Term
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Definition
hypertrophy bigger
atrophy
smaller |
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Term
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Definition
gluteus medius/maximus
ventral gluteal (hip)
vastus lateralus (thigh)
deltoid (upper arm) |
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Term
| why use larger muscles for injection sites? |
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Definition
Avoid nerves,
larger muscle belly
(can take more medication) |
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Term
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Definition
| Hemoglobin stores o2 in blood |
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Term
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Definition
| Myoglobin stores o2 in muscle |
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Term
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Definition
Creatinine phosphate
stores energy that can be used quickly |
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Term
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Definition
| makes sarcolemma permeable to sodium atoms |
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Term
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Definition
| inactivates acetylcholine |
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