Exercise Ball One Legged Diagonal Kick Hamstring Curl

1. Start by placing an exercise ball on the floor. 2. Lie on your back with your arms by your sides and your palms facing down. 3. Bend your knees and place your heels on top of the exercise ball. 4. Lift your left leg off the ball, keeping it straight. 5. Inhale and raise your right leg towards your chest, keeping it straight. 6. Exhale and simultaneously kick your right leg diagonally towards your left shoulder while curling your left leg towards your butt. 7. Inhale as you slowly lower your right leg back to starting position, keeping it straight. 8. Exhale as you lower your left leg back to the ball, straightening it out. 9. Repeat the exercise on the opposite side, lifting your right leg off the ball and kicking your left leg diagonally towards your right shoulder while curling your right leg towards your butt. 10. Continue alternating legs for the desired number of repetitions.

How to perform the Exercise Ball One Legged Diagonal Kick Hamstring Curl

  1. Set up. Set up in a stable, balanced starting position appropriate for the Exercise Ball One Legged Diagonal Kick Hamstring Curl using your stability ball.
  2. Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your hamstrings.
  3. Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.

Coaching cues

  • Move with intent — every rep should feel deliberate, not rushed.
  • Drive force through your hamstrings rather than momentum.
  • Keep your breathing steady: exhale on the hard part, inhale on the reset.

Common mistakes

  • Using too much weight and losing positional control.
  • Cutting the range of motion short and missing the target muscle.
  • Letting your spine round or hyperextend instead of staying neutral.

Detailed cues, common mistakes, and demonstration video are available in the Fitly app.

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