Which is better jump roping or hula hooping?

What are the muscle groups worked by pull ups? How should you tie Adidas AR 2.0 Shoes? When you lose weight can your bra go down in cup sizes? Is situp exercise not suitable for older people? What does pop a squat mean? Is half your weight muscle? What is a good glute ham raise alternative that can be done at home? What is the height and weight requirements to be a flyer in cheerleading? What do treadmills build? How much can the average man incline bench press? How do you adjust the incline bench for optimal positioning during your workout? What songs are good for jumping on the trampoline? Where the early Puritans used play as a means for getting the body fit to better serve God? Should you work out one muscle at a time or alternate after each set? What is max holding time on coffee at mcdonalds? Where can one buy brooks running shoes? What is the best workout plan at Planet Fitness for beginners? Do having more muscles help with weight loss? Do you have a speedometer cable for a healthmaster 710 exercise bike? What are the mental and emotional benefits of physical activity?