HKIN 191 Final Exam Questions and Answers
Fast oxidative glycolytic fiber - Answer-doesn't fatigue and it is pretty powerful
Depending on how you train, they behave more like slow twitch or fast glycolytic. Change depending on what you are doing
Isometric - Answer--Muscle exerts force without...
HKIN 191 Final Exam Questions and
Answers
Fast oxidative glycolytic fiber - Answer-doesn't fatigue and it is pretty powerful
Depending on how you train, they behave more like slow twitch or fast glycolytic.
Change depending on what you are doing
Isometric - Answer--Muscle exerts force without changing length
-Pulling against immovable object
-Postural muscles
Concentric - Answer-Muscle shortens during force production
Eccentric - Answer-Muscle produces force but length increases
Absolute Strength - Answer-Maximal force exerted by the muscle with no regard for
body weight
Relative strength - Answer-force exerted in relation to one's body weight
Hypertrophy - Answer-An increase in muscle size
Neural factors - Answer-Co-ordination of motor units
Muscle spindle - Answer--Changes in muscle length
-Rate of change in muscle length
-Intra-fusal fiber contains actin & myosin, and therefore has the ability to shorten
-Gamma motor neuron stimulate muscle spindle to shorten
Stretch reflex - Answer-Stretch on muscle causes reflex contraction
Tidal Volume - Answer-Air moved during inspiratory or expiratory phase of breathing
cycle; between 0.4 to 1.0 L
of air per breath
Inspiratory Reserve Volume (IRV) - Answer-2.5 to 3.5 L above TV; serves as inhalation
reserve
Expiratory Reserve Volume (ERV): - Answer-After normal exhalation, additional volume
exhaled; 1.0 to 1.5 L for men, 10 to 20% lower for women
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