The seated leg curl machine should be adjusted to suit your height and your limb length. See to that your back is supported by the back support pad.
The back of your lower leg is on top of the padded lever, a few inches above the ankles. The lap pad is then secured above your knees. Hold on to the side handles on the machine as you point your toes straight. See to that your legs are fully straight right n front of you.
You then pull the lever as far as possible to the back of your thigh. It is important that you keep your upper torso neutral at all times.
In a controlled manner you then release the lever by extending your legs and get it back to the starting position.
See to that you do not use weights that you can’t control. The form is an important aspect of this movement. There is a possibility of hurting your lower back and your hamstring.
The seated leg curl is a much better isolation exercise in comparison to the lying leg curl.
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