Exercise Notes
The sliding leg curl is an effective hamstring exercise that develops both hip extension and
knee flexion strength at the same time. Most people perform this exercise incorrectly by
sagging at the hips and failing to keep the hips extended throughout the set. Proper form
takes advanced levels of strength and discipline because it’s tempting to allow the hips to
drop and simply flex and extend the knees. Squeeze the glutes to raise the hips and keep
them contracted while pulling the feet toward the rear with the hamstrings. Some strong
people can perform this movement one leg at a time. Not me.