FlexJumping Jacks
Muscles worked
- Gastrocnemius
- Lateral Deltoid
- Rectus Femoris
- Gluteus Medius
- CategoryCardio
- Default target3 sets × 45 seconds
- EquipmentBodyweight
- Movement patternCardio
- Training stylesHIIT
- LevelBeginner-friendly
Technique
Setup
Stand tall with feet together and arms at your sides.
Movement
Jump your feet out wide while raising your arms overhead, then jump back to the start. Repeat rhythmically.
Form Tip
Land softly on the balls of your feet with a slight knee bend.
Increase Difficulty
Speed up, or extend the work interval.
Decrease Difficulty
Step side to side instead of jumping.
Hear the cue
The trainer's spoken setup and form tip for this exercise — the same clips Flex plays in a session.