Legs · Dumbbell

Leg Curl

How to do the leg curl, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Illustration of the Leg Curl starting position
Equipment
Dumbbell
Difficulty
Advanced
Logged as
Weighted reps
Movement
Curl
Mechanic
Isolation

See it in motion

Animated demonstration of the Leg Curl

How to do it

Lie face-down on a bench with a dumbbell held between your feet. Curl the dumbbell towards your glutes by engaging your hamstrings, then lower slowly.

  1. 1Lie face down on a bench with a dumbbell held between your feet and curl it toward your glutes; you should feel your hamstrings contracting
  2. 2Keep your hips pressed into the bench and your knees together
  3. 3Squeeze at the top and lower the dumbbell slowly to feel a stretch

Common mistakes

  • Don't let the dumbbell slip, grip it firmly with your feet
  • Avoid lifting your hips off the bench or arching your lower back
  • Don't swing your legs or rely on momentum, control the entire range of motion

Muscles worked

The leg curl mainly works the hamstrings, with the calves and glutes assisting.

  • HamstringsPrimary
  • CalvesSupport
  • GlutesSupport
  • QuadsMinor

Kovo programs the leg curl for you and tracks it every session.

The AI builds your whole program, drops the right lifts into each workout, and adjusts your weights as you get stronger. Free on iOS and Android.

More hamstrings exercises

See all hamstrings exercises →

Last reviewed April 2026.