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Related Flashcards
Cards In This Set
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What is the smallest functional unit of a muscle fiber where muscle action takes place?
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Sarcomeres
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What is a motor unit?
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Nerves connected to muscle fibers are recruited to exert force
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What are the different kinds of muscle fibers types and their attributes?
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Slow Type 1 and Fast Type 2
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What are the contractile proteins in skeletal muscle?
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Myofibrils; actin and myosin
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What is Muscle Spindle?
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A proprioceptor. a sense organ that receives information from muscle, that senses STRETCH and the SPEED of the stretch.
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What is Golgi Tendon Organ?
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A proprioceptor, sense organ that receives information from the tendon, that senses TENSION
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Flexion/ Extension happens in what plane?
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Sagittal Plane
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Abduction/ adduction happens in what plane?
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Frontal Plane
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Horizontal abduction / abduction happens in what plane?
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Transverse Plane
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Pronation/ Supination happens in what plane?
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Transverse plane
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Circumduction happens in what plane?
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Transverse plane
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Plantarflexion/ dorsiflexion happen sin what plane?
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Sagittal plane
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What is concentric contraction?
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shortening of muscle during tension
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What is an eccentric contraction?
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Muscles elongates or lengthens during tension
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What is an isometric contraction?
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Doesn't change during contraction; remains the same.
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