Ball Sit-up (on stability ball)
- Zielmuskel
- Rectus Abdominis
- Synergistenmuskeln
- Iliopsoas, Obliques, Quadriceps, Sartorius, Tensor Fasciae Latae
- Equipment
- Stability ball
- Körperregion
- Waist
- Typ
- Strength
The ball sit-up is a core strength exercise performed lying back over a stability ball, primarily targeting the rectus abdominis (the front "six-pack" muscle). The unstable ball recruits the obliques, iliopsoas, and hip flexors (sartorius, tensor fasciae latae) for balance, while the quadriceps help anchor your position. It builds abdominal strength through a fuller range of motion than a floor sit-up.
Ball Sit-up (on stability ball): So führst du sie aus
- 1Sit on the stability ball, then walk your feet forward and roll down until your lower back and hips rest on the ball with your knees bent at about 90°.
- 2Plant your feet flat on the floor, slightly wider than hip-width, for a stable base.
- 3Place your hands lightly behind your head or cross them over your chest, keeping your chin a fist's width off your chest.
- 4Brace your core and let your torso extend back over the ball to feel a gentle stretch in your abs.
- 5Exhale and curl your torso up, leading with your chest and rolling your spine off the ball one vertebra at a time.
- 6Crunch up until your shoulders and upper back are clear of the ball, keeping the ball steady beneath you.
- 7Inhale and lower under control back over the ball to the start position.
- 8Complete your reps, then walk your feet back and sit up on the ball to finish.
Technik-Tipps
- Move slowly and deliberately so the rectus abdominis does the work instead of momentum throwing you up.
- Press your feet firmly into the floor and keep the ball still to stay balanced through each rep.
- Keep your neck neutral and let your hands only cradle your head, never pull on it.
- Use the full range the ball allows, letting your spine extend slightly over it at the bottom for a deeper contraction.
- If balancing is hard at first, place the ball near a wall or have a partner steady your feet.
Häufige Fehler
- Pulling on your head with your hands, which strains the neck and shifts work off the abs.
- Bouncing or using momentum to swing up, which removes tension from the rectus abdominis and reduces the benefit.
- Letting the ball roll around because the feet aren't anchored, costing stability and turning it into a balance struggle.
- Hinging only at the hips with the hip flexors instead of curling the spine, which limits abdominal engagement.
- Holding your breath through the rep instead of exhaling on the way up, which raises pressure and reduces bracing.
Häufig gestellte Fragen
What muscles does the ball sit-up work?
It primarily targets the rectus abdominis, with the obliques, iliopsoas, sartorius, and tensor fasciae latae assisting for stability and the quadriceps helping anchor your legs.
Why use a stability ball instead of doing sit-ups on the floor?
The ball lets your spine extend slightly at the bottom for a fuller range of motion, and its instability forces more core muscles to engage to keep you balanced.
Is the ball sit-up good for beginners?
Yes, but start with a slow, shallow range while you learn to balance. Crossing your arms over your chest is easier than placing hands behind your head, which adds resistance.
How many sets and reps should I do?
For core endurance, 2–3 sets of 12–20 controlled reps works well. Focus on smooth form and a steady ball rather than chasing high numbers.
Where should I feel the ball sit-up?
You should feel it mainly in the front of your abdomen as the rectus abdominis contracts. If you feel it more in your neck or hip flexors, slow down and lead the curl with your chest.
