How many reps per side of the seated straddle hamstring lift-off should you do when you are new to the exercise?

Work up to two sets of five lift-offs on each side, pausing for two seconds at the top of each lift before lowering. Match reps on both legs even if one side is noticeably tighter, and only add volume once the tighter side keeps pace with the flexible one.

What's an easier or harder variation of the seated straddle hamstring lift-off?

If lifting out of the fold feels impossible, shrink the range: fold only halfway down before working the lift-off from there. To make it harder, fold deeper before lifting, extend the top hold, or add a slow three-count on the way back down into the fold.

Who benefits from the seated straddle hamstring lift-off, and when is it a bad idea?

It trains the hamstring to produce force at its longest length, exactly where strains tend to happen, which makes it valuable for dancers, kickers, and anyone chasing a deeper straddle. Leave it out during a recent hamstring strain, since loading the muscle at a long, stretched position is the last thing healing tissue needs.

Intermediate

Seated Straddle Hamstring Lift-Off

Folding over a straddled leg lengthens the hamstring; lifting the torso back up out of that fold under muscular control turns the stretch into strength. This teaches the hamstring to produce force at the long end of its range, which is exactly where strains happen. It is a smart addition for anyone chasing splits or resilient hamstrings.

Equipment: Body Weight
Body part: Hamstring
Type: Strength, Stretching
Browse by muscle: Semitendinosus, Biceps Femoris
Browse by movement: Hinge

How to do it

1
Sit in a straddle and rotate your torso to face one leg, keeping that knee pointing up.
2
Hinge forward from the hip over the leg until you feel a firm hamstring stretch.
3
Reach toward the foot and relax briefly into the deepest comfortable position.
4
Contract the hamstring to actively lift the torso a few inches out of the fold.
5
Hold the lifted end-range position for two to five seconds, then ease back down.
6
Complete the reps on one side before switching to the other leg.

Tips

Hinge from the hip, not by rounding the spine, so the stretch stays in the hamstring.
Keep the working knee straight but not locked hard.
Lead the lift with the back of the thigh, not with your arms pulling.

Variations

Common mistakes

Skipping the brief relax at the bottom and lifting immediately means the hamstring never actually reaches its deepest length before the contraction starts.
The working knee rolls inward as the torso twists to face the leg, torquing the joint instead of keeping the stretch purely in the hamstring.
A hard bounce at the bottom of the fold substitutes for a smooth contraction, training a jerky reflex instead of controlled hamstring strength.
Reps pile up on the more flexible side while the tighter leg gets shortchanged, when the stiffer side is the one that actually needs the work.

Frequently asked

How many reps per side of the seated straddle hamstring lift-off should you do when you are new to the exercise?: Work up to two sets of five lift-offs on each side, pausing for two seconds at the top of each lift before lowering. Match reps on both legs even if one side is noticeably tighter, and only add volume once the tighter side keeps pace with the flexible one.
What's an easier or harder variation of the seated straddle hamstring lift-off?: If lifting out of the fold feels impossible, shrink the range: fold only halfway down before working the lift-off from there. To make it harder, fold deeper before lifting, extend the top hold, or add a slow three-count on the way back down into the fold.
Who benefits from the seated straddle hamstring lift-off, and when is it a bad idea?: It trains the hamstring to produce force at its longest length, exactly where strains tend to happen, which makes it valuable for dancers, kickers, and anyone chasing a deeper straddle. Leave it out during a recent hamstring strain, since loading the muscle at a long, stretched position is the last thing healing tissue needs.

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