Leg curl machine exercises
Lying or seated, the leg curl isolates your hamstrings by bending the knee against resistance: the half of their job that hinges don't cover.
3 exercises

Lying Leg Curl
Hamstrings
Leg Curl Machine

Seated Leg Curl
Hamstrings
Leg Curl Machine

Single-Leg Seated Leg Curl
Hamstrings
Leg Curl Machine