Skip to main content
Back
Stability Ball Leg Curl
Add to Workout

Stability Ball Leg Curl

Build

How to Perform

  1. Lie on your back with your legs extended and heels on the stability ball, arms at your sides with palms facing down.
  2. Engage your core by drawing your navel toward your spine and press your arms firmly into the floor for stability.
  3. Exhale as you bend your knees, rolling the ball toward your body by contracting your hamstrings and lifting your hips slightly off the floor.
  4. Continue pulling the ball inward until your feet are flat on the ball and your knees are bent at approximately 90 degrees, maintaining a neutral spine position.
  5. Hold the contracted position for a moment while keeping your glutes engaged and your hips elevated slightly off the ground.
  6. Inhale as you slowly straighten your legs, controlling the ball's movement away from your body without letting your hips drop.
  7. Extend your legs completely while maintaining tension in your hamstrings and keeping your lower back pressed into the floor.
  8. Perform the prescribed number of repetitions while maintaining a controlled tempo throughout the entire movement.

Important information

  • Keep your head, shoulders, and upper back in contact with the floor throughout the entire exercise to protect your neck and spine.
  • Avoid lifting your hips too high off the floor, as this shifts emphasis away from the hamstrings and can strain your lower back.
  • If you find the exercise too challenging, start with your knees bent at a 90-degree angle rather than fully extended.
  • Focus on moving the ball with your hamstrings rather than pushing with your feet to maximize muscle engagement.

Exercise Details

Primary Muscles

Hamstrings Glutes

Muscle Groups

Leg exercises Glute exercises

Mechanic

Isolation

Risk Areas

Hamstrings

Built for progress

Take the guesswork out of training

Create personalized AI-powered workout plans that evolve with you. Train smarter, track every rep and keep moving forward, one workout at a time.

Be among the first to join!
GrabGains workout plans

The Stability ball Leg Curl stands as a versatile intermediate-level movement that powerfully targets the posterior chain, with primary emphasis on the hamstrings and glutes. This exercise has earned its place in both bodybuilding routines and rehabilitation programs, offering significant benefits without requiring complex equipment or excessive joint stress. When incorporated into a consistent training regimen, the Stability Ball Leg Curl contributes substantially to lower body strength development while promoting muscular balance between the quadriceps and hamstrings. This balance is crucial not only for aesthetic symmetry prized in bodybuilding circles but also for functional strength and injury prevention. 

The stability challenge presented by the Stability ball engages additional stabilizer muscles throughout the core and hips, creating a more comprehensive lower body workout than many machine-based alternatives. For those recovering from certain lower back or knee injuries, this exercise can serve as an effective rehabilitation tool when performed under appropriate supervision. The reduced axial loading compared to traditional hamstring exercises like deadlifts makes it accessible to those working around specific limitations while still stimulating meaningful muscle activation and growth. Strength athletes find value in the Stability Ball Leg Curl as an accessory movement that addresses potential weak links in their posterior chain. The exercise creates significant time under tension for the hamstrings: a quality that promotes muscle hypertrophy when performed in moderate to high repetition ranges. 

This focused attention on hamstring development pays dividends in improved athletic performance, from enhanced sprinting speed to greater stability in compound lifts. The adjustable difficulty based on ball position, leg extension, and execution speed: makes this exercise scalable as fitness levels improve. While seemingly simple, mastering the Stability Ball Leg Curl requires body awareness, control, and dedicated focus to maximize its benefits. When programmed appropriately within a comprehensive training plan, this exercise delivers remarkable results for hamstring development and posterior chain strength that translate to both aesthetic improvements and functional capacity.

FAQ - Stability Ball Leg Curl

What muscles does the Stability Ball Leg Curl target?

The Stability Ball Leg Curl primarily targets the hamstrings and glutes while also engaging the calves and core stabilizers. Your lower back and hip stabilizers also work isometrically to maintain proper position throughout the movement.

How can I make the Stability Ball Leg Curl easier or more challenging?

For an easier version, keep the ball closer to your hips and perform partial range of motion curls. To increase difficulty, position the ball further from your body, extend your arms out to the sides rather than using them for support, or progress to single-leg variations.

Is this exercise safe for people with knee or lower back issues?

The Stability Ball Leg Curl is generally considered lower-impact than loaded hamstring exercises like deadlifts, making it suitable for many rehabilitation programs. However, those with specific knee injuries or acute lower back pain should consult a physical therapist before attempting this movement.

What are the most common form mistakes to avoid?

The most common mistakes include rounding your lower back, rotating your hips instead of keeping them square, rushing through the movement, and not hinging properly at the hips. Focus on maintaining a neutral spine, moving with control, and keeping your standing knee slightly soft rather than locked.

How often should I include Exercise Ball Leg Curls in my training routine?

For optimal hamstring development, incorporate Exercise Ball Leg Curls 1-2 times weekly with 3-4 sets of 10-15 repetitions. Allow 48-72 hours between hamstring-focused workouts for proper recovery, especially if you're also performing other posterior chain exercises like deadlifts or Romanian deadlifts.

Alternative Exercises

Resistance Band Leg Curl

Resistance Band Leg Curl

The Resistance Band Leg Curl offers an accessible yet effective option for targeting the hamstrings and glutes, making it perfect for beginners just starting their fitness journey. This versatile exercise delivers impressive results without requiring expensive gym equipment, as a simple resistance band can transform any space into your personal hamstring training station. While often overlooked in favor of more glamorous exercises, properly strengthening the hamstrings plays a crucial role in building balanced lower body strength and stability. The resistance band variation provides a gentler alternative to machine leg curls while still delivering meaningful muscle activation. For those focused on bodybuilding, this exercise helps develop the posterior chain aesthetics that create that coveted athletic silhouette. The beauty of resistance band leg curls lies in their adaptability. As a beginner-friendly movement, you can easily adjust the tension by changing band resistance or position. This scalability makes it equally valuable for strength development and rehabilitation purposes. Many physical therapists recommend this exercise during recovery from lower body injuries since it allows for controlled movement patterns with adjustable resistance. For strength enthusiasts, don't dismiss this exercise as too basic. The constant tension provided by the band creates a unique challenge compared to traditional weights, particularly at the end ranges of motion where your hamstrings must work hardest. This continuous resistance helps develop functional strength that translates to improved performance in compound movements like deadlifts and squats. Beyond strength benefits, regularly incorporating resistance band leg curls can enhance knee joint stability, improve athletic performance, and potentially reduce injury risk. The exercise's low-impact nature makes it suitable for consistent training, allowing you to strengthen these vital posterior muscles without excessive strain on your joints. Whether your goals center on aesthetics, performance, or simply maintaining functional movement patterns as you age, this humble yet mighty exercise deserves a place in your fitness routine.

Strength
Bodybuilding
Recovery
Resistance Band
Bodyweight Full Squat With Overhead Press

Bodyweight Full Squat With Overhead Press

The Bodyweight Full Squat With Overhead Press combines lower body power with upper body pushing strength in one fluid movement, creating an efficient full-body exercise that elevates your heart rate while building functional strength. This intermediate-level compound movement simultaneously targets your quadriceps, glutes, and front deltoids, making it perfect for those looking to maximize their workout efficiency. This versatile exercise fits seamlessly into various training methodologies including HIIT circuits, bodybuilding routines, and CrossFit workouts. The dynamic nature of combining a squat with an overhead press creates a cardiovascular demand that burns calories while developing both strength and muscular endurance throughout your entire body. What makes this movement particularly valuable is how it mimics everyday functional patterns: the kind of integrated movement you might use when lifting objects from the ground and placing them on a high shelf. By training these movement patterns together, you're enhancing your body's natural coordination systems while developing practical strength that translates to daily activities. The full squat component engages your entire lower body kinetic chain, activating the quadriceps as primary movers while recruiting the glutes, hamstrings, and core stabilizers. Meanwhile, the overhead press portion develops shoulder strength and stability, particularly in the anterior deltoids, while engaging your triceps and upper back muscles as synergists. For those focused on metabolic conditioning, this exercise delivers impressive results by recruiting large muscle groups simultaneously, significantly elevating oxygen consumption and caloric expenditure. The compound nature makes it particularly effective for those with limited workout time who need maximum benefits from minimal exercises. Regular incorporation of the Bodyweight Full Squat With Overhead Press can lead to improved posture, enhanced core strength, better overhead mobility, and increased lower body power—all critical components for athletic performance and daily function. Whether you're focused on building strength, enhancing endurance, or improving overall fitness, this exercise delivers comprehensive benefits in a single, efficient movement.

Strength
Endurance
HIIT
Bodybuilding
+1
Bodyweight exercises
Bent Knee Glute Kickback

Bent Knee Glute Kickback

The Bent Knee Glute Kickback stands as a targeted isolation exercise that has earned its place in the arsenal of intermediate fitness enthusiasts looking to develop stronger, more defined glutes and hamstrings. This movement has gained popularity in bodybuilding circles and rehabilitation programs alike for its ability to effectively engage the posterior chain without placing excessive stress on the lower back. Unlike compound movements that distribute tension across multiple muscle groups, the bent knee variation creates a more concentrated stimulus directly on the gluteus maximus while simultaneously recruiting the hamstrings as secondary movers. The bent knee position is particularly valuable as it reduces hamstring involvement compared to straight-leg variations, allowing for more precise glute targeting: something essential for both aesthetic development and functional strength. For those in recovery phases or dealing with certain lower back conditions, this exercise provides a safer alternative to more demanding hip extension movements. The controlled nature of the kickback makes it ideal for rehabilitation protocols while still delivering enough resistance to stimulate muscle growth when properly loaded. The exercise becomes especially effective when incorporated into high-repetition finisher sets designed to create metabolic stress in the glutes. Strength athletes increasingly recognize the value of isolated glute work for improving performance in compound lifts. The bent knee glute kickback helps address posterior chain weaknesses that might limit progress in deadlifts, squats, and Olympic movements. By strengthening these muscles in isolation, athletes often find improved power generation and stability in their primary lifts. When programmed strategically: typically for 3-4 sets of 12-15 repetitions, this exercise proves valuable for hypertrophy-focused training splits and as an activation movement before heavier lifting sessions. The mind-muscle connection developed through this focused movement translates to better recruitment patterns during more complex exercises, making it not just an aesthetic builder but a performance enhancer for intermediate lifters seeking balanced posterior chain development.

Strength
Bodybuilding
Recovery
Bodyweight exercises
Banded Hip Thrusts

Banded Hip Thrusts

Banded Hip Thrusts stand as a powerful intermediate-level glute and hamstring developer that fitness enthusiasts across bodybuilding and HIIT communities have embraced for its strength-building potential. This variation adds variable resistance to the traditional hip thrust, creating maximum tension at the top of the movement where your glutes are fully contracted. The beauty of this exercise lies in its accessibility and remarkable effectiveness. By adding a resistance band, you challenge your posterior chain throughout the entire range of motion, particularly intensifying the stimulus when your hips reach full extension. This accommodating resistance pattern makes banded hip thrusts particularly valuable for athletes and lifters looking to break through plateaus in glute development and posterior chain strength. While appearing straightforward, banded hip thrusts require proper attention to engagement patterns and positioning to deliver their full benefits. The exercise targets primarily the gluteus maximus the largest muscle in your body, while simultaneously recruiting the hamstrings as critical synergists. This compound movement pattern mirrors many athletic movements, making it functionally relevant for both performance athletes and physique-focused individuals. For strength enthusiasts, progressive overload can be achieved by using bands of increasing resistance, altering band placement, or combining bands with free weights. The exercise fits seamlessly into various training protocols—whether you're programming it as a heavy strength movement (6-8 reps) or incorporating it into metabolic conditioning circuits with higher repetitions. Research consistently highlights hip thrusts as one of the most effective exercises for glute activation and development. The banded variation enhances this effect by maintaining tension throughout the movement and creating a unique stimulus that conventional loading methods can't replicate. This makes it particularly valuable for addressing common postural issues stemming from glute weakness and hamstring tightness in our increasingly sedentary society.

Strength
Bodybuilding
HIIT
Resistance Band