Last Updated on January 26, 2025

Overview:
Standing leg curls are an excellent exercise for targeting and strengthening the hamstring muscles. This movement isolates the hamstrings while also engaging your core for balance. It’s a great addition to any lower-body workout routine to build strength, improve flexibility, and enhance athletic performance.


Muscles Worked:

  • Primary: Hamstrings (biceps femoris, semitendinosus, and semimembranosus)
  • Secondary: Calves (gastrocnemius) and glutes (stabilizers)

How to Perform Standing Leg Curls

Equipment Needed:

  • Standing leg curl machine (commonly found in most gyms).

Step-by-Step Instructions:

  1. Set Up the Machine:
    • Adjust the rear footpad so it rests just above your ankle when standing straight. Ensure the height and position allow for a full range of motion without causing discomfort.
    • Stand upright facing the machine, with your torso slightly leaning forward to maintain balance.
  2. Get Into Position:
    • Place one foot against the footpad while standing firmly on your supporting leg.
    • Grip the machine handles or sides for stability.
    • Engage your core by pulling your abdominal muscles inward to maintain proper posture.
  3. Perform the Curl:
    • Slowly bend your working leg at the knee, curling your heel upward toward your glutes.
    • Keep your upper body stable throughout the movement; avoid jerking or leaning excessively.
    • Pause for a moment at the top of the movement to maximize the contraction in your hamstrings.
  4. Return to Start:
    • Gradually lower your foot back to the starting position, maintaining control to prevent the weight stack from slamming down.
  5. Switch Legs:
    • Complete your desired number of repetitions on one leg, then switch to the other leg and repeat.

Tips for Proper Form and Technique:

  • Controlled Movement: Avoid using momentum. Focus on a slow and steady motion to keep the hamstrings fully engaged.
  • Neutral Spine: Maintain a straight back throughout the exercise to prevent strain on your lower back.
  • Breathing: Inhale as you lower your leg and exhale as you curl your heel upward.
  • Adjustable Weight: Start with a light weight to master the form before increasing resistance.
  • Alignment: Ensure your knees remain in line with your hips and ankles to avoid unnecessary joint strain.

Reps and Sets:

  • Beginners: 2–3 sets of 12–15 repetitions per leg.
  • Intermediate/Advanced: 3–4 sets of 10–12 repetitions with increased resistance.

Benefits of Standing Leg Curls:

  1. Hamstring Strength: Strengthens and tones the back of the thighs, contributing to balanced leg development.
  2. Injury Prevention: Reduces the risk of hamstring strains by improving muscle strength and flexibility.
  3. Knee Stability: Strengthens the muscles supporting the knee joint, reducing stress during activities.
  4. Improved Athletic Performance: Boosts power for movements like running, jumping, and squatting.

Common Mistakes to Avoid:

  1. Overarching the Back: Maintain a neutral spine to avoid lower back strain.
  2. Using Momentum: Don’t swing your leg; focus on a controlled movement.
  3. Improper Footpad Placement: Ensure the pad is just above the ankle, not on the calf, for proper leverage.
  4. Uneven Focus: Train both legs equally to avoid muscle imbalances.

Incorporate standing leg curls into your workout routine for well-rounded leg development. Pair this exercise with squats, lunges, and deadlifts for a complete lower-body training session!