The Muscles at the back of your thigh, hamstrings, are made up of three muscles: biceps femoris, semitendinosus, and semimembranosus. The second biggest muscle in the leg plays a critical role in knee flexion, hip stability, sprinting power, and injury prevention. And to no one's surprise, a well-built hamstring provides a very good definition to the entire lower part of the body.

Compound lifts like squats and deadlifts train the hamstrings indirectly, but isolation work is essential for complete hamstring development. That is where lying leg curls come in.

Let us take a look at how to perform them correctly and explore different techniques.

Proper Setup For Lying Leg Curls

Proper posture and positioning are key to performing leg curls correctly. Even a slight mistake can increase the risk of serious injuries, so before starting the exercise, make sure you are positioned properly.

• Lie flat on the bench with your hips pressed firmly into the pad
• Align your knees just off the edge of the bench, not hanging too far forward
• Position the ankle pad just above your heels, never on the calves
• Grip the handles tightly to prevent your torso from lifting

A stable setup ensures the hamstrings do the work, not momentum.

Execution For Lying Leg Curls

The most common mistake beginners make while performing leg curls is using far too much weight, believing it will build their hamstrings faster. In reality, the opposite is true.

• Curl the weight up slowly, focusing on squeezing the hamstrings
• Keep your hips down throughout the movement
• Pause briefly at the top to maximize contraction
• Lower the weight under control for 2–3 seconds

Tempo matters. Fast reps reduce tension and increase injury risk

Range of Motion and Mind-Muscle Connection

Remember, half-reps don’t count! While doing lying leg curls, use a complete range of motion. Avoid locking out aggressively at the bottom. Think about pulling the heels towards the glutes rather than lifting the weights. This will tremendously increase that mind-muscle connection.

Another important thing is to exhale as you curl the weight up and inhale while lowering it down. Lightly brace your core to prevent lower-back arching, which is a common compensation pattern.

Programming Tips

• Reps: 8–15 per set
• Sets: 3–4

Do progressive overloading, either increase the weights or the reps per week.

Common Mistakes to Avoid

• Lifting hips off the bench
• Using partial reps
• Bouncing the weight
• Neglecting the eccentric phase

Now that you know how to do it, when are you implementing it in your workout regimen?

Written by

Suryakant Das

Edited by

Joyita Das