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Bosu Ball Pike

With the shins on the dome, piking the hips toward the ceiling forces the lower abs to work hard while the shoulders stabilize an unstable plank. The rounded, shifting surface makes keeping the feet planted as you pike genuinely difficult, so it belongs to trainees with strong core and shoulder foundations. It is a high-value progression for anyone chasing advanced bodyweight core strength.

Equipment
Bosu Ball
Body part
Abs, Shoulder
Type
Balance, Strength
Browse by movement
Core Brace
Muscles worked
Target
Lower Rectus Abdominals, Upper Rectus Abdominals
Secondary
Deltoid Anterior, Rectus Femoris
Tertiary
Abdominal External Oblique

How to do it

  1. 1

    Set the BOSU dome-side up and place both shins across the top of the dome.

  2. 2

    Walk the hands forward into a strong plank with shoulders over the wrists.

  3. 3

    Brace the abs and set the spine neutral before you move.

  4. 4

    Pull the hips up toward the ceiling, rolling from the shins onto the toes on top of the dome while the shoulders stay stacked over the hands.

  5. 5

    Rise as high as you can control while keeping the legs fairly straight.

  6. 6

    Lower the hips back to the plank slowly, rolling back onto the shins without letting the feet slip off the dome.

Tips

  • Initiate by lifting the hips, not by pushing back with the arms.
  • Keep the shoulders stacked over the hands to protect the joint.
  • If you cannot control the dome, build the strength with a plank-to-pike on the floor first.

Variations

Common mistakes

  • The knees bend as the hips rise, turning the lift into a knee tuck and letting the shins slide sideways on the dome instead of rolling straight up onto the toes.
  • The hips drop too fast on the way down, so the feet slip off the dome instead of rolling back onto the shins.
  • Placing the shins too close to the near edge of the dome instead of centered lets it tip sideways under the smallest weight shift.
  • Once fatigue sets in, the hands narrow toward each other, and the base gets too small to keep the shoulders steady over the hands while the feet balance on the dome.
  • Rising as fast as possible off the bottom makes the dome bounce, which shortens the time the lower abs spend under real tension.

Frequently asked

What is a sensible starting dose for the Bosu ball pike, and what should I be able to do first?
Get comfortable with a plank-to-pike on the floor before you try the dome, so the hip lift is already strong before you add the unstable surface. Once that is clean, start with 3 sets of 5 to 6 slow reps on the Bosu, pausing at the top of each one to prove you have control before adding more.
What can I use instead of a Bosu ball for this pike?
A Swiss ball under the shins gives a harder, rolling version of the same pike once the Bosu feels easy. A suspension trainer such as a TRX, with the feet in the straps instead of on a ball, is another option if you want the same hip-flexion pattern without a Bosu, though the swinging straps add their own instability.
Who should do the Bosu ball pike, and when is it not a good fit?
It suits trainees who already have strong core and shoulder foundations and want a genuinely hard bodyweight ab finisher. Skip it if you cannot yet control a stable plank on the floor, or if wrist pain makes weight-bearing on an unstable surface risky.

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