90 Degree Single Knee Crunch

90 Degree Single Knee Crunch कैसे करें

1. 1

   Clear enough space to move freely and safely.

2. 2

   Take the start position with a neutral spine and switch on the target muscles (abs).

3. 3

   Move at a steady, sustainable pace, landing softly with each step.

4. 4

   Exhale on the effort and inhale as you return to the start.

5. 5

   Do not swing, bounce, or jerk the weight; stop if you feel sharp pain.