Which of the following is not an age-related change in skeletal muscle?Multiple ChoiceLoss of muscle strengthLoss of fast-twitch fibersLoss of synapse surface areaDecrease in motor unitsDecreased recovery time

Check all that occur to skeletal muscle with advanced age.Check All That ApplySlow-twitch muscle fibers decrease in number more rapidly than fast-twitch fibers.Slow-twitch muscle fibers decrease in number more rapidly than fast-twitch fibers.The number of muscle fibers remains relatively constant.The number of muscle fibers remains relatively constant.The number of muscle fibers decreases steadily with time.The number of muscle fibers decreases steadily with time.The number of motor units decreases with increasing age.The number of motor units decreases with increasing age.

Multiple Select QuestionSelect all that applyWhich three characteristics are signs of aging in the muscular system?Multiple select question.slow reflexesatrophyhypertrophycrampingweak contractions

Which type of muscle fiber contributes most to muscular endurance?Group of answer choicesall answers are correctcardiacfast-twitchslow-twitch

Which of the following in not associated with a resistance training-induced change in the muscle cell? increase in the percentage of Type I muscle fibers. hypertrophy of Type II muscle fibers. increased number of myonuclei. increased activity of antioxidant enzymes.

Match the skeletal muscle adaptation with exercise type that promotes the adaptation:Increased size of muscleAnswer 1 Question 47Increased muscle strengthAnswer 2 Question 47Increased ability to produce ATP aerobicallyAnswer 3 Question 47Increased number of mitochondria