Lie back, dig your heels in, and curl one leg at a time.
Keep your hips lifted the whole set. Don't let them sag when you switch legs.
The TRX Alternating Hamstring Pull-In is a Hamstrings-first movement, with Glutes working as the supporting cast. Track it consistently and you'll see exactly how it feeds your hamstrings volume for the week.
The TRX Alternating Hamstring Pull-In primarily works the Hamstrings with Glutes assisting.
Shorten the range or use an easier variation, and stop 1 to 2 reps before failure. Reps build fast when you train just shy of your limit.
Yes, it's a unilateral movement. Start with your weaker side and match the reps with your stronger side so no side gets ahead.
