Jumping jacks
Main muscle: Quads
Other muscles: Shoulders, Calves
Equipment: no equipment
Mechanics type: compound
Fitness level: beginner
Category: Plyometrics

1. Start by standing with your feet together. In one motion, jump your feet out to the side and raise your arms above your head.
2. Immediately reverse the motion by jumping back to the starting position.
3. Repeat for the recommended amount of repetitions.