What shortens when a muscle is contracted quizlet? Part of the sarcomere that contains actin and myosin, does not change in size when muscle is contracted. ... Part of the sarcomere that contains just actin, this band shortens when a muscle is contracted.H-Zone. Part of the sarcomere that...
What running shoe is best for me quiz? There are various quizzes available online that can help you determine which type of running shoes is best for you based on factors such as your gait, running surface, and personal preferences. Some popular running shoe brands also have their own qu...