6. What do you call the ability of the muscle to exert maximal effort in a brief duration? A. body composition B. cardiovascular endurance C. muscular endurance D. muscular strength correct plies 7. Which of the following health-related fitness does NOT belong in the group? A. cardiovascular endurance B. muscular endurance C. muscular strength D. reaction time 8. Which sport has a primary focus on muscular power? A. basketball B. football C. table tennis D. weight lifting 9. Which of the following is a basic skill of volleyball? A. batting B. dribbling C. running D. tossing 10. What health-related exercise measures strength measures strength of the upper extremities? A. curl-ups B. push-up C. sit and reach D. zipper test 11. Which of the following exercises belongs to flexibility? A. curl-up R​