How to train your hamstrings

The muscle most people stretch but rarely train hard enough

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Anatomy

The hamstrings are a group of three muscles (biceps femoris [long and short heads], semitendinosus, and semimembranosus) running down the back of the thigh from the sit bone (ischial tuberosity) to below the knee. They perform two functions: hip extension (working with the glutes) and knee flexion (bending the knee). Because they cross two joints, the hip angle dramatically affects which function is emphasized. They are among the most commonly strained muscles in sport, largely because most people train them insufficiently in the lengthened position.

How to train it

Hamstrings respond to two distinct loading patterns. Hip-hinge movements (Romanian deadlifts, good mornings, stiff-leg deadlifts) load them in the stretched position (hip flexed, knee extended), which is where growth stimulus is greatest. Knee-flexion movements (lying and seated leg curls) isolate the knee-flexion function. Both are necessary for balanced development. Aim for 6–12 reps on hinges, 10–15 reps on curls, across two to three sessions per week. The most common mistake: rounding the lower back on RDLs to chase more range. You lose tension in the hamstring and gain risk in the spine.

Coaching cues

Staple hamstrings exercises

Barbell

Romanian Deadlift

Machine

Lying Leg Curls

Machine

Seated Leg Curl

Barbell

Stiff-Legged Barbell Deadlift

Barbell

Good Morning

All hamstrings exercises (79)

Train it with MyoAmigo

MyoAmigo's MyoMap heatmap shows your hamstrings volume against an evidence-based weekly band, so you can see at a glance whether you're under-training it. See also how many sets per muscle per week and the training guides.

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