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Ball Leg Curl

HamstringsExercise ballBeginnerIsolation
Ball Leg Curl — start position
Start
Ball Leg Curl — finish position
Finish
Muscles worked
PrimaryHamstrings
SecondaryCalves, Glutes

How to do it

  1. 01

    Begin on the floor laying on your back with your feet on top of the ball.

  2. 02

    Position the ball so that when your legs are extended your ankles are on top of the ball. This will be your starting position.

  3. 03

    Raise your hips off of the ground, keeping your weight on the shoulder blades and your feet.

  4. 04

    Flex the knees, pulling the ball as close to you as you can, contracting the hamstrings.

  5. 05

    After a brief pause, return to the starting position.

In the app

Ball Leg Curl appears when you own an exercise ball and the day's window has room for it. Loads come from Rule 3 (Loads rise when earned, read from RPE, graded strong) and climb on the reps you actually did.

If a machine is taken the engine swaps a same-pattern movement and says why.

If you don't have an exercise ball

Same movement pattern, same primary muscles — swap by what you have.

With machine

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