3 in 1 Pull-up Auxiliary Band High-strength PP Material Elastic Band Tension Rope, Pulling Force: 30LB(Red)

1. Configure three elastic ropes, the tension of one elastic rope is 30 pounds
2. The total length of the strap is 23 cm, and the handle length is 12 cm
3. Material: EVA sponge + PVC core tube + PP belt + stainless steel ring
4. The length of the tension rope is adjustable, the strength is low when adjusting long, and the strength is high when adjusting short.
5. Training method for beginners: fix the auxiliary device on the horizontal bar, grab the auxiliary belt on one-legged kneeling position, inhale, contract the latissimus dorsi, pull the auxiliary device vertically from the position above the head to the chest, and stop Peak contraction for 3 seconds, tighten the scapula to tighten the latissimus dorsi; exhale, stretch the latissimus dorsi along the same path until the latissimus dorsi is fully stretched, 8 times in 4 groups