Skeletal Muscle Motor Control - Test 4
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| True or False, Agonists muscles provide a concentric contraction | True
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| True or False, antagonist muscles provide a contraction in which the muscle lengthens | True, AKA Eccentric Contraction
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| During repeated exercises what type of reflexes are initiated? | Reverberatory Spinal Reflexes
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| What did the studies of Ruffini, Golgi, and Sherrington show regarding muscle control? | Skeletal muscle is richly endowed with a large variety of sensory receptors
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| List the receptors involved in muscle control: | 1. Muscle Spindles 2. Golgi Tendon Organ 3. Secondary Spindle Endings 4. Nonspecific Endings 5. Free Nerve Endings
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| List the types of efferent nerve fibers | 1. Alpha Motor Neuron 2. Beta Fibers 3. Gamma Fibers
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| What is another name for Beta Fibers? | Skeletofusimotor fibers
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| What is another name for Gamma Fibers? | Fusimotor fibers
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| Primary spindle endings detect what? | Muscle length and the rate of change in length
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| Golgi Tendon Organs detect what? | Muscle Tension
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| Secondary Spindle Endings detect what? | Muscle Length
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| Nonspindle Endings detect what? | Deep Pressure
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| What do Free nerve Endings detect? | Pain, Chemical Stimuli, and Temperature
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| What do Alpha motor neurons innervate? | Extrafusal Muscle Fibers
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| What do Beta motor neurons innervate? | Intrafusal Muscle Fibers
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| What do Gamma motor neurons innervate? | Intrafusal Fibers
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| What is the function of Alpha Motor Neurons? | Controls tension, strength, and rate of pull on skeleton
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| What is the function of Beta Motor Neurons? | Controls sensitivity of muscle spindles
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| What is the function of Gamma Motor Neurons? | Controls sensitivity of muscle spindles
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| True or False, Beta Fibers are independent of Alpha motor neurons? | False, Gamma Motor Neurons are independent of Alph Motor Neurons
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| Which type of receptor is encapsulated? | Muscle Spindles and Golgi Tendons
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| Which type of receptor is the most complex? | Muscle Spindles
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| True or False, the rectus femoris contains a high number of muscle spindles? | False, only muscle involved in fine delicate control contain a high number of muscle spindles
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| True or False, the muscle spindle capsule is attached to both extrafusal and intrafusal muscle fibers? | True
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| True or False, Intrafusal fibers are embedded within the capsule? | True
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