Biceps femoris

Movement guide

Biceps femoris

The lateral hamstring has a long and short head. Both flex the knee; the long head also extends the hip.

Hip hinges load the long head; leg curls also involve the short head.

01

Romanian deadlift

Compound · Barbell

Also works

Semitendinosus, semimembranosus, gluteus maximus; spinal extensors stabilize

How to perform +

With soft knees, push your hips back and keep the bar near your legs. Stop when you reach your controlled hinge depth, then stand.

Move at the hips while maintaining a steady back position.

Example volume · 3 sets × 6–10 reps

02

Seated leg curl

Isolation · Machine

Also works

Semitendinosus, semimembranosus, gastrocnemius

How to perform +

Adjust the pads to secure your thighs. Bend your knees to pull the pad down and back. Return slowly.

Keep your hips on the seat through the entire rep.

Example volume · 3 sets × 10–15 reps