Jump Rope Jump your way into fitness with the new Body Solid Tools Speed Rope. Lightweight design with an extra long non-kink rope. The easy grip handles are sure to make your jumping experience as comfortable as possible. While the main muscles that you're working are your calves jumping rope activatesmore muscle than you may think. - you're also using your shoulders (particularly your rear delts) as well as your abs, quads, hamstrings. Pretty much every muscle is firing when doing this exercise to keep your body stable. Jumping rope is a great calorie-burner. Jumping rope at a moderate pace will burn approximately 16 calories per minute for a 200-pound man. You'd have to run an eight-minute mile to work off more calories than you'd burn jumping rope for 3, three minute rounds. BODY FOCUS Calves Cardio Interval Training Combat Training Fat Burn Plyometrics EXERCISES Speed Rope Criss Cross Speed Rope Double Under Speed Rope Runi In Place Speed Rope Skier's Jump Speed Rope Interval Jump Speed Rope Split Jumps High Knees Specifications Assembled Weight: 5lb Assembled Dimensions: Length: 131.00in Width: 1.00in Height: 1.00in Package Dimensions: Length: 6.00in Width: 1.00in Height: 9.00in Volume: 0.03 ft3 Gross Weight: 0.35lb