Inner Leg Exercises: Strengthen Your Adductors for Stability

Your inner legs handle more work than most people realize. Every squat you load and every time you push off to change direction on a court or field, your adductors are firing to keep your pelvis stable and your knees tracking straight. Most training programs never include inner leg exercises.

That gap creates instability at the hip and sets the stage for groin injuries that can sideline you for weeks.

This guide covers eight inner leg exercises using bodyweight, resistance bands, and a TRX Suspension Trainer™. Each one includes step-by-step instructions so you can lock in your form whether you're just starting out or looking for a new challenge.

Your Inner Leg Muscles

Your inner thigh is home to the adductor group, five muscles running from your pelvis to the inside of your thigh and knee. The adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus all work together to pull your legs toward the midline of your body. That movement is called adduction, and it happens more often than you'd expect.

But these muscles do more than squeeze your legs together. They stabilize your pelvis during single-leg movements and assist with hip flexion and rotation. They play a key role in knee alignment and help keep your lower body tracking properly under load.

The adductor magnus is the largest of the five and handles the heaviest work during squats and lunges. The gracilis is unique because it crosses both the hip and the knee joint, which means it affects stability at two different points in your lower body.

Most people skip direct adductor work because these muscles aren't visible in the mirror and they don't get featured in standard squat or deadlift programming. They fire as supporting players in compound lifts, but without targeted training, they stay underdeveloped relative to your quads, glutes, and hamstrings. That imbalance matters more than most lifters think, and dedicated leg gym equipment for lateral and adduction movements can help close the gap.

Why Inner Leg Strength Matters

Weak adductors create problems that show up in places you wouldn't expect. Your pelvis is the foundation for everything above and below it, and your inner thigh muscles are a major part of what keeps it level and stable during movement.

During walking, running, lunging, and squatting, your adductors work constantly to prevent your pelvis from shifting side to side. When they can't keep up, your body compensates. Your lower back picks up extra work.

Your knees start drifting inward under load, a pattern that knee injury rehab exercises frequently target. Over time, those compensations stack up into real issues that extend well beyond sore thighs. Chronic groin strains and hip discomfort can both trace back to adductors that couldn't do their share of the work.

The injury risk is well documented. A cluster-randomized controlled trial published in the British Journal of Sports Medicine followed 652 male football players through a season-long adductor strengthening program. The intervention group saw a 41% reduction in groin problems compared to the control group (13.5% prevalence vs. 21.3%).

The primary training tool in that study was the Copenhagen hip adduction exercise, which you'll find later in this guide.

Stronger adductors translate to better performance in the gym. Your squat depth improves when your inner thighs can handle the load at the bottom of the movement, and suspension-assisted movements like the TRX squat help you train that range safely. Deadlift lockout gets more stable.

And lateral agility sharpens because your adductors can produce and absorb force in the frontal plane, the kind of power you need for cutting and change-of-direction work.

Everyday tasks benefit too. Climbing stairs, getting out of a low car, walking on uneven ground, and carrying heavy bags all feel more controlled when your adductors are pulling their weight.

8 Inner Leg Exercises for Every Level

These exercises progress from beginner-friendly bodyweight movements to more advanced TRX Suspension Trainer variations. Each one includes an intro on what the exercise targets and a step-by-step breakdown so you can dial in your form. You'll find bodyweight adductor exercises, banded variations, and TRX movements for every fitness level.

1. Side-Lying Adductor Lift

This is one of the simplest adductor isolation exercises, and one of the most effective. It targets your adductor longus and gracilis without any equipment, making it a solid starting point if you're new to inner leg training. The movement looks easy on paper, but controlling the range of motion with a slow tempo turns it into a serious burn.

1. Lie on your side with your bottom leg straight and your top leg crossed over in front, foot flat on the floor.

2. Keeping your hips stacked (no rolling backward), lift your bottom leg toward the ceiling using your inner thigh.

3. Squeeze at the top for a full second, then lower your leg slowly over 2-3 seconds.

4. Complete all reps on one side before switching.

If you're not feeling it in your inner thigh, check your hip position. Even a slight backward lean shifts the work to other muscles.

Aim for 2-3 sets of 12-15 reps per side.

2. Sumo Squat

A wider stance shifts the emphasis from your quads to your inner thighs. The sumo squat recruits your adductors more than a standard squat because the wider foot position and external hip rotation put these muscles under greater stretch and tension at the bottom of the movement. You can do these with just your bodyweight, hold a dumbbell at chest height, or grip a TRX YBell™ for added resistance without changing the movement pattern.

1. Stand with your feet wider than shoulder width, toes turned out about 30-45 degrees.

2. Push your hips back and bend your knees, lowering until your thighs are parallel to the floor or as close as your mobility allows.

3. Drive through your heels to stand back up. Keep your chest tall and your knees tracking over your toes the entire time.

Aim for 3 sets of 10-12 reps.

3. Standing Banded Adduction

Banded adduction isolates your adductors through a full range of motion using constant resistance, making it one of the most versatile hip adduction exercises you can do with minimal setup. It works well as a targeted activation drill before heavier leg training or as a finisher at the end of a lower body session. A loop band or a set of TRX Exercise Bands anchored at ankle height will do the job.

1. Anchor the band at ankle height and stand sideways to the anchor point. Attach the band to the ankle of your working leg (the one closest to the anchor).

2. Standing tall on your outside leg, pull your working leg across your body against the band's resistance. The movement comes from your hip, not from shifting your torso or leaning away from the band.

3. Control the return to the starting position. Don't let the band snap your leg back.

Aim for 2-3 sets of 12-15 reps per side.

4. Lateral Lunge

The lateral lunge hits your adductors from two angles at once. Your working leg's inner thigh contracts to push you back to center, while the straight leg's adductors get a loaded stretch at the bottom of the movement. That combination of strengthening and lengthening under load makes this one of the most functional inner thigh exercises you can do.

Athletes and physical therapists both rely on this movement because it trains the adductors the way they actually function during real activity, making it one of the best inner leg exercises for functional adductor strength.

1. Stand with your feet together, hands at your sides or holding dumbbells.

2. Take a wide step to your right, bending your right knee and pushing your hips back. Keep your left leg straight with your foot flat on the ground and toes pointing forward.

3. Sit your hips back rather than pushing your knee forward. You should feel a deep stretch along your straight leg's inner thigh at the bottom.

4. Drive through your right foot to push yourself back to the starting position.

5. Complete all reps on one side before switching.

Aim for 3 sets of 8-10 reps per side.

5. TRX Side-to-Side Lunge

The Suspension Trainer adds upper body support while challenging your lateral stability in a way that free-standing lunges can't. The straps help you control your depth, so you can push into a wider range of motion than a standard lateral lunge. Side-to-side lunges are a staple among TRX leg exercises because they keep your inner thighs under continuous lateral load.

Your adductors work overtime to manage the lateral load as you shift from side to side without standing up between reps. The continuous motion keeps your inner thighs under tension longer than standard lunges do.

1. Face the anchor point and hold both handles with your elbows bent, straps at mid-length.

2. Stand in a wide stance. Shift your weight to your right side, bending your right knee and pushing your hips back while keeping your left leg straight.

3. Without standing up between reps, slide across to your left side and repeat the movement on that leg.

4. Keep both feet planted flat throughout. Use the straps for balance, not to pull yourself up.

Aim for 3 sets of 6-8 reps per side (alternating).

6. TRX Crossing Balance Lunge

The crossing pattern behind your standing leg creates a unique adductor challenge that standard lunges can't replicate. Stepping behind and across forces your standing leg's inner thigh to stabilize against rotational forces while your hip flexors and glutes control the descent. This is the kind of single-leg stability that carries over to rotational sports and uneven terrain.

1. Face the anchor point and hold both handles. Stand on one leg, aligned with the anchor.

   
   
   
   

2. Extend your opposite leg behind and across the standing leg, lowering into a lunge. Keep your torso upright and hips square to the anchor point throughout.

3. Drive through your standing heel to return to the starting position. The crossing motion should feel controlled, not rushed.

4. Complete all reps on one side before switching.

Aim for 2-3 sets of 6-8 reps per side.

7. TRX Abducted Lunge

Placing one foot in the TRX strap behind you while stepping laterally creates serious adductor loading on your front leg. The suspended foot adds instability that forces your inner thigh to work harder than it would in a regular lunge, building both adductor strength and hip flexibility in the same movement. Start shallow and increase your range of motion as your body adapts.

1. Face away from the anchor point and place one foot in both foot cradles.

2. Standing on your working leg, step out to the side and lower into a lateral lunge as the suspended foot slides back.

3. Drive through your working leg to return to the starting position. Prioritize control over depth, especially in your first few sessions with this exercise.

Aim for 2-3 sets of 6-8 reps per side.

8. Copenhagen Hip Adduction

If there's a gold standard for adductor strengthening, this is it. The Copenhagen hip adduction is the exercise used in the study that showed a 41% reduction in groin problems among athletes. It fully loads your adductors in a side plank position, demanding serious inner thigh strength and core stability simultaneously.

The side plank eliminates momentum and forces your adductors to handle your full bodyweight, making it one of the most effective groin exercises for injury prevention. Fair warning, this one is humbling even for experienced lifters.

1. Lie on your side with your top leg's inner foot or ankle resting on a bench or elevated surface. Your bottom leg hangs free below the bench.

2. Lift your hips into a side plank position, keeping your body in a straight line from head to feet.

3. Raise your bottom leg up to meet the bench, squeezing hard through your inner thigh. Lower it with control.

If the full version is too demanding, start with the short-lever variation by bending your top knee and placing it on the bench instead of keeping your leg straight. Build up to 3 sets of 8 reps with that modification before progressing to the straight-leg version. Once you can complete all reps with a steady side plank and no hip sag, try slowing the eccentric (lowering) phase to 3-4 seconds per rep for added difficulty.

Aim for 2-3 sets of 6-10 reps per side.

How to Add Inner Leg Exercises to Your Routine

You don't need to overhaul your training to strengthen your adductors. Two to three sessions per week is enough to build a solid inner leg workout into your routine, either as part of your lower body training or as a focused 10-15 minute add-on.

Pick 2-4 exercises per session. A good template pairs a bodyweight isolation move (like the side-lying adductor lift or standing banded adduction) with a compound movement (lateral lunge or sumo squat) and a TRX variation for stability work.

Here's a sample session that takes about 15 minutes. Start with 2 sets of standing banded adduction to wake the adductors up. Move into 3 sets of sumo squats as your compound movement.

Finish with 2 sets of TRX Crossing Balance Lunges for stability. Swap exercises each session to keep your body adapting.

For progression, start with bodyweight exercises for the first few weeks to build a baseline. Add resistance band exercises next. Then graduate to TRX Suspension Trainer movements as your balance and stability improve.

The Suspension Trainer variations demand more from your stabilizers, so earning that progression makes a real difference in how much you get from each rep.

Before any loaded adductor work, warm up with dynamic hip circles and light bodyweight lateral lunges. Five minutes of movement prep goes a long way toward keeping your groin healthy. Cold adductors under load is a recipe for strains, so follow a proper leg day warm-up before any heavy adductor training.

Your inner thigh muscles respond well to consistent, moderate-volume training. Don't go heavy every session. Two moderate sessions and one lighter session per week keeps you progressing without running your adductors into the ground.

Space your targeted sessions at least 48 hours apart so these muscles have time to recover and adapt. If your adductors feel tight or sore from a previous session, do adductor stretches and light mobility exercises instead of loading them again.

Start Training Your Inner Legs Today

Your inner leg muscles work every time you stabilize a squat, push off to change direction, or move laterally. Adding these inner leg exercises to your training means better stability under load, safer movement in every direction, fewer groin injuries, and more confidence in your lower body overall.

You don't need a full gym to train your adductors. The TRX Suspension Trainer™ weighs under two pounds, fits in any bag, and sets up on a door frame or overhead anchor in seconds. Adjust your body angle to scale any of the three TRX exercises in this guide up or down without extra equipment.

For a structured plan that builds inner leg strength over time, the TRX Training Club™ app has over 500 on-demand workouts you can filter by muscle group and fitness level. Download the app and start your first lower body session.

Always consult with your physician before starting a new exercise routine.

References

Harøy, Joar, et al. "The Adductor Strengthening Programme Prevents Groin Problems Among Male Football Players: A Cluster-Randomised Controlled Trial." British Journal of Sports Medicine, vol. 53, no. 3, 2019, pp. 150-57.