Jack Press
- Zielmuskel
- —
- Equipment
- Medicine Ball
- Körperregion
- Cardio
- Typ
- Aerobic
The Jack Press combines a jumping jack with an overhead medicine ball press to deliver a full-body aerobic drill. Each repetition simultaneously challenges cardiovascular conditioning and upper-body muscular endurance, making it a practical choice for high-intensity circuits, metabolic finishers, or active warm-ups.
Jack Press: So führst du sie aus
- 1Stand upright holding a medicine ball at chest height with both hands, feet together and core braced.
- 2In one coordinated movement, jump your feet out to shoulder-width apart while pressing the medicine ball straight overhead until your arms are fully extended.
- 3Pause briefly at the top with the ball locked out overhead and your ribs down — avoid arching your lower back.
- 4Jump your feet back together while lowering the medicine ball in a controlled arc back to chest height.
- 5Land softly with slightly bent knees each time your feet come together or spread apart.
- 6Maintain a steady, rhythmic pace — the press and the foot movement should finish at the same moment.
- 7Complete your target reps or time, then lower the medicine ball to your sides with control.
Technik-Tipps
- Keep your wrists directly over your forearms at the top of the press — do not let them bend backward under the ball's weight.
- Brace your core and keep your ribs pulled down throughout to prevent excessive lumbar extension when the ball is overhead.
- Choose a medicine ball weight that lets you maintain the rhythm without losing shoulder control — a weight that forces you to slow the press is too heavy for this drill.
- Land toe-to-heel with soft knees on every jump to reduce impact and keep the movement quiet.
Häufige Fehler
- Letting the lower back arch sharply as the ball goes overhead, which shifts stress onto the lumbar spine instead of the core and shoulders.
- Pressing the ball forward rather than straight up, which reduces shoulder engagement and throws off balance.
- Allowing the jump and the press to fall out of sync — completing the press before or after the feet land breaks the conditioning benefit of the coordinated movement.
- Using a ball that is too heavy, causing the press to slow to a grind and turning an aerobic drill into a labored strength set.
Häufig gestellte Fragen
What does the Jack Press work?
It is a full-body aerobic exercise. The jumping action elevates heart rate and works the legs, while the overhead press engages the shoulders, arms, and upper back. The core stays active throughout to stabilize the spine under the moving load.
What weight medicine ball should I use for the Jack Press?
Start with a lighter ball — 4–6 kg (8–14 lb) is a common range — that lets you maintain a brisk, unbroken rhythm for your target reps or time. Increase weight only when you can press smoothly without losing coordination or arching your back.
How many reps or how long should I do the Jack Press?
For cardio circuits, 30–60 seconds of continuous effort works well. For rep-based training, 15–25 reps per set is a practical range. Rest 30–60 seconds between sets and keep quality over speed.
Is the Jack Press suitable for beginners?
Yes, with a light medicine ball. Beginners can slow the tempo or step the feet out rather than jumping to reduce impact while learning the press mechanics. Once the movement pattern feels natural, add the jump and gradually increase pace.
What exercises are similar to the Jack Press?
Close alternatives include the dumbbell overhead jack (same pattern, dumbbells instead of a medicine ball), the standard jumping jack, and the squat press with a medicine ball. The Jack Press is unique in pairing the lateral-jump pattern with a vertical press using a single weighted implement.
