Summary
In this short field video, Jeff Cavalier (AthleanX) meets up with jump training specialist Jack Casio in a Chicago hotel gym to demonstrate a highly effective bodyweight exercise for increasing vertical jump. The featured movement is a rolling squat jump, which requires minimal space and no equipment. Both a beginner and an advanced single-leg variation are shown.
Key Points
- Minimal equipment needed — the exercise can be performed in a hotel gym or any small space, as long as ceiling height allows for jumping
- The rolling squat jump uses body momentum to transition from a back-lying position to an explosive standing jump, making it both dynamic and athletic
- A single-leg variation is available for more advanced athletes, adding both a balance challenge and greater explosive demand on one limb
- Variation training is emphasized as a core principle for athletic development, particularly for sport-specific goals like improving vertical jump
- The exercise targets explosive power by combining momentum, coordination, and full lower-body activation in one fluid movement
- Jack Casio is introduced as a jump training specialist with a 12-week vertical jump program (“Joy the Gym”) designed to systematically increase vertical jump height
- The program includes a 7-part educational series explaining which muscles are involved in vertical jump development
Exercise Details
Rolling Squat Jump (Bilateral)
- Target muscles: Full lower body — emphasis on explosive power through the hips, quads, and calves
- Proper form cues:
- Start lying flat on your back
- Use body momentum to roll backward and then forward
- Drive through your feet as you roll up to a standing position
- Immediately transition into a vertical jump at the top
- Repeat continuously in a fluid, rhythmic motion
- Common mistakes to avoid:
- Breaking momentum — the movement should be continuous, not choppy
- Not fully extending at the top of the jump
- Sets/Reps: Not explicitly stated; multiple reps shown in sequence
Rolling Squat Jump (Single-Leg Variation — Advanced)
- Target muscles: Same lower body muscles, with added unilateral demand and balance requirements
- Proper form cues:
- Same rolling momentum as the bilateral version
- Explode off one leg at the top of the roll
- Attempt a tuck position in the air
- Maintain balance throughout the landing and reset
- Common mistakes to avoid:
- Losing balance during the transition from roll to single-leg takeoff
- Progression note: Only attempt the single-leg version once the bilateral version feels manageable