Janda Sit-Up

Lie on back, knees bent 90 deg, feet flat.

Actively press heels into floor to engage hamstrings/glutes (inhibits hip flexors).

Cross arms on chest.

Exhale slowly (3-6s count), lift torso off floor using ONLY abs.

Movement will be small/difficult if done correctly.

Inhale, slowly lower back down.

Repeat.