Med Ball Workout: 5 Moves to a 6-Pack
Summary
The medicine ball remains one of the most effective tools for ab training because it adds direct resistance to core exercises. Jeff Cavaliere of ATHLEAN-X demonstrates four progressive exercises that can be performed in a small space using any weight medicine ball. The key principle is that applying progressive overload to ab training is what drives new results when bodyweight exercises have plateaued.
Key Points
- The med ball adds resistance to ab exercises, making it superior to bodyweight-only training for those who have stopped seeing progress
- Any weight medicine ball works — the exercises can be scaled by adjusting ball position and movement complexity
- Ball placement changes difficulty — holding the ball closer to the chest is easier; extending it overhead and behind the head dramatically increases the challenge
- Explosive throws increase intensity — throwing the ball straight overhead or behind the head forces the abs to stabilize and catch under load
- Plyometric elements can be layered in through ball slams, adding power generation and deceleration demands to the core
- No rest between sides on slam variations — moving immediately from one side to the other maximizes fatigue and burn
- Lack of resistance is a primary reason people stop making ab progress — adding weight is the direct solution
Exercise Details
1. Hollow Rock with Med Ball
- Target muscles: Entire anterior core, hip flexors
- Form cues:
- Beginners hold the ball pulled in toward the chest
- Progress by raising the ball overhead, then extending it behind the head
- Control the ball on every rock backward — the abs must resist the weight pulling the body
- Progression: Further the ball is extended behind the head, the harder the abs must work to maintain position
2. Explosive Hollow Rock Throw
- Target muscles: Core, with emphasis on stabilization
- Form cues:
- Pull knees into the chest, then shoot legs out while throwing the ball upward
- Throwing straight overhead challenges the abs to catch and stabilize on each rep
- Throwing back behind the head increases difficulty further, as the abs must prevent the weight from pulling the body backward
- Common mistakes: Not controlling the catch — passive catching reduces the stabilization demand
3. Russian Ball Slam (Single Side & Alternating)
- Target muscles: Obliques, rotational core
- Form cues:
- Generate power and slam the ball down to one side
- Stabilize and control the rebound before slamming again
- When reaching failure on one side, move immediately to the other without rest
- Advanced variation: slam left, center, and right in sequence while legs perform a scissor motion
- Common mistakes: Slamming the center without awareness of body positioning — Jeff specifically cautions to be careful about the anatomy in the midline if performing the triple-direction slam
- Sets/Reps: Work to failure on each side
4. Three-Way Raise
- Target muscles: Lower abs, hip flexors, rectus abdominis
- Form cues:
- Come all the way up into a high V-up holding the ball
- On the next rep, come up and drop the ball onto the legs — hold a weighted 90/90 crunch position, resisting the ball’s weight with the legs
- On the following rep, perform a regular crunch without the ball
- Repeat the sequence (V-up → weighted 90/90 → crunch) continuously until failure
- Common mistakes: Dropping the legs when the ball rests on them — the legs must actively hold the position against the added load