PED 101 – CH 4 – Flashcards
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An individual muscle cell within each skeletal muscle is called a
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muscle fiber.
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The best way to keep yourself from doing the Valsalva maneuver is to
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exhale as you perform a lift.
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A group of repetitions is called a set.
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True
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Gains in muscular endurance are best developed with
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lower resistance and more repetitions.
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When following a resistance-training program, it is important to let each muscle group rest for ________ before taxing it again with resistance exercises.
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48 hours
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Age-related muscle loss can be slowed with resistance training.
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True
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An eccentric contraction occurs when a muscle
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lengthens as it contracts.
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A muscle contraction with constant speed is
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isokinetic.
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The American College of Sports Medicine recommends 1-3 sets per resistance exercise for beginners.
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True
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Type I (slow-twitch) muscle fibers
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utilize oxygen to contract.
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Muscular endurance is defined as the ability
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to contract a muscle repeatedly over an extended period of time.
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Type II muscle fibers (fast-twitch)
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are easily fatigable.
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Hypertrophy is a physiological change resulting from resistance training that involves which of the following?
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increased muscle cross-sectional area
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A muscle contraction with overall muscle shortening is
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concentric.
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One advantage of a stability ball for resistance work is
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the development of core strength.
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Muscular strength is defined as the ability
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of a muscle to contract with maximal force.
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Resistance exercises stress what aspect of the body?
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musculoskeletal system
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The root cause of delayed onset muscle soreness is
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microdamage to muscles.
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When assessing muscular strength, a 1 RM test
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measures the maximum amount of weight that can be lifted one time.
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Regular resistance training
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protects the body from injuries.
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Which is an advantage of using machine weights for resistance training instead of free weights?
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safe and less intimidating for beginners
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A muscle contraction with no change in muscle length is
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isometric.
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Skeletal muscles taper at the ends to form ________, which attach muscles to bones.
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tendons
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Muscular fitness is defined as the ability
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of the musculoskeletal system to perform daily activities without undue fatigue.
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When choosing resistance exercises to include in a beginning fitness program aimed at general muscular fitness,
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choose 8-10 basic full body resistance exercises.
