Stand facing an exercise bar and grasp it from the top with arms slightly wider than shoulder-width apart. Use shoulder muscles to pull yourself up until your head is over the bar.
Stand facing an exercise bar and grasp it from underneath with a tight grip slightly closer than shoulder-width. Use biceps to pull yourself up until your head is over the bar.
Stand inside a dip bar, lift yourself off the ground, and lean slightly forward. Bend elbows back using tricep muscles to move up and down.
Stand with feet parallel, a few inches apart, and toes pointed slightly outward. Lower into a squat, keeping chest upright. Explode upward into a jump, avoiding extending knees over toes.
Get into plank position with hands slightly outside shoulders. Lower body by bending elbows close to body until chest almost touches floor. Push back up quickly, keeping core flexed throughout.
Lie on the ground with back flat, feet flat, and hands behind head. Sit up until elbows or chest touch knees, focusing on using core muscles to pull up and breathing out as you sit up.
Start in standing position, squat down, and place hands on floor. Jump feet back into plank position, keeping body straight. Jump feet forward, stand, and jump into air with arms overhead.
Hold jump rope handles and rotate with wrists while jumping off ground. Keep toes pointed down and knees slightly bent.