The Ultimate Leg Workout for Strength & Mass

Ever show up to the gym on leg day and think, "What should I do today?"

If you want to walk into the gym with a clear plan and build legs that are strong, muscular, and useful outside the squat rack, you’re in the right place.

This guide gives you the best leg exercises for strength and mass, a complete two-day leg workout routine, training tips, anatomy breakdowns, and programming advice so you can stop guessing and start growing.

QUICK ANSWER: WHAT IS THE BEST LEG WORKOUT?

The best leg workout combines heavy compound lifts, unilateral exercises, and isolation work to train the quads, hamstrings, glutes, calves, and hips. For most lifters, training legs twice per week with 10-20 quality working sets per muscle group is the sweet spot for building strength and muscle.

This routine uses two leg days: Workout A and Workout B. Together, they hit every major lower-body muscle with the right mix of heavy strength work, hypertrophy volume, and accessory exercises.

KEY TAKEAWAYS

Table of Contents:

• Best Leg Exercises for Building Strength & Mass
• The Best Leg Workout Routine
• Benefits of Strong Legs
• Leg Anatomy & Functions
• Common Leg Day Mistakes
• Leg Workout FAQs

THE BEST LEG EXERCISES FOR STRENGTH AND MASS

Let’s look at the best leg exercises to add more muscle, power, and lower-body strength. These are the movements used in the complete leg workout routine below.

A good leg workout should not just smoke your quads and call it a day. It should train knee extension, hip extension, single-leg strength, hamstring function, glute power, and calf development. Basically, the whole lower-body buffet.

1. BACK SQUATS:

Often called the king of leg exercises, the back squat trains nearly everything from your hips to your ankles, with your core working overtime to stabilize the load. Back squats build overall strength, improve power, and give you a huge return on effort.

Best for: Overall lower-body strength, quad growth, glute development, and athletic power.

Common mistake: Loading the bar heavier than your technique can handle. If your knees cave, your hips shoot up first, or your depth disappears, the weight is winning.

How to do back squats:

• Set up bar slightly lower than shoulder height.
• Get under the bar with it resting across your upper back, then grab the bar with both hands using an overhand grip, squeeze shoulder blades together, engage the core, then press up and step back from the rack.
• Starting with feet about shoulder-width apart with toes slightly pointing outwards, lower body by hinging at the hips and knees while your butt moves down and back until your thighs are parallel to the floor.
• Press up through your feet while squeezing your glutes to return to an upright standing position.
• Repeat for desired reps.

2. FRONT SQUATS:

Front squats hammer the quads and encourage a more upright torso, which many lifters find easier on the lower back. Because the bar sits in front, your core and upper back also work hard to keep you from folding forward.

Front squats also offer more variation with grip position, so you can adjust the exercise to your mobility and body mechanics.

Best for: Quad growth, upright squat mechanics, and lifters who want a squat variation with less low-back demand.

How to do front squats:

• Set up bar slightly lower than shoulder height.
• Get under the bar with it resting across the front of your shoulder, then grab the bar with your preferred grip, such as cross-arm or clean grip.
• Starting with feet about shoulder-width apart, toes slightly pointing outwards, engage core, then lower your body while the bar keeps moving in a straight line until your thighs are parallel with the floor.
• Press up through your feet while squeezing your glutes and quads to return to a standing position.
• Repeat for desired reps.

Related: Front Squat vs Back Squat Muscles Worked

3. HACK SQUATS:

Think of hack squats as a guided, highly targeted lower-body builder. The machine removes balance demands so you can push heavier weight safely and really focus on the quads.

Best for: Quad hypertrophy, high-volume leg training, and lifters who want a machine-based squat pattern.

How to do hack squats:

• Set up machine with the desired weight.
• Get into position with pads on your shoulders and back against the support if there is one.
• Set your feet shoulder-width apart with toes pointing out slightly.
• Release safety pins, then lower down until your knees are 90 degrees.
• Press through your feet, squeeze glutes until you're standing upright, but don't lock out knees.
• Repeat for desired reps.

Note: If your gym doesn't have a Hack squat machine, replace it with the leg press, barbell hack squat, or one of these hack squat alternative exercises.

4. LEG PRESS:

The leg press lets you move serious weight without loading your spine. It’s perfect for building volume after squats and great for intensity techniques like drop sets.

Best for: Adding lower-body volume, training close to failure, and building quads, glutes, and hamstrings depending on foot placement.

Quick tip: Lower foot placement tends to emphasize the quads more, while higher foot placement tends to bring more glutes and hamstrings into the lift.

How to do leg presses:

• Load the machine with the desired weight.
• Get into position on the seat with your back against the backrest, then place your feet on the footplate shoulder-width apart.
• Press through your feet, then release the safety.
• Drive through your feet until your legs are almost fully extended.
• Slowly bring your knees toward your chest, then press through your feet to extend your legs again.
• Repeat for desired reps.

Related: Leg Press Foot Placement Muscles Worked

5. BARBELL HIP THRUSTS:

The hip thrust is one of the best exercises for targeting the gluteus maximus. If you want strong, powerful glutes, this belongs in your program.

Best for: Glute strength, hip extension power, and building a stronger lockout for squats and deadlifts.

Common mistake: Turning this into a lower-back extension. Keep your ribs down, chin tucked, and squeeze the glutes hard at the top.

How to do barbell hip thrusts:

• Set up a barbell in front of a bench, then wrap a towel or pad on the center of the bar.
• Sit down perpendicular between the barbell and the bench with your upper back against it, then roll the bar over your legs until it's at the crease in your hips.
• Bend your knees, then plant your feet on the floor with toes pointing 10-15 degrees outwards.
• Grab the bar just outside your knees, press through your feet, and lean back on the bench to get the weight off the ground.
• Squeeze glutes and extend your hips until there's a 90-degree angle at the knees, pausing briefly at the top.
• Slowly lower hips until a few inches off the ground, then repeat the lift.
• Repeat for desired reps.

Related: Best Barbell Hip Thrust Alternatives

6. BULGARIAN SPLIT SQUATS:

This challenging dumbbell leg exercise is fantastic for the glutes, quads, calves, and hamstrings. By performing this elevated split squat, you engage more stabilizer muscles in the legs and core.

Unilateral exercises like the Bulgarian split squat can also highlight muscle imbalances before they become a real problem. Plus, driving off one leg at a time carries over to sports, walking, running, and real-world movement.

Best for: Single-leg strength, glutes, quads, stability, and fixing imbalances.

How to do Bulgarian split squats:

• Set up bench or other raised platform around knee height.
• Stand half a step in front of the bench, then reach back with one leg to rest on the bench so that you're in a lunge position.
• Starting with your torso upright, core engaged, and hips squared, lower your body until your front thigh is parallel with the floor without your knee passing your toes.
• Press through your front foot's heel, returning to starting position.
• Repeat for desired reps, then switch sides.

Note: Split squats are a similar exercise and are great if you want to lift heavier loads.

7. ROMANIAN DEADLIFT:

The Romanian deadlift AKA the RDL is a great exercise to hit the hamstrings, glutes, erector spinae, and core. We chose this exercise for the best leg day gym routine because it works the hamstrings hard while also improving your hip hinge.

This study compared the RDL with good mornings, leg curl, and the glute ham-raise. The findings showed that the RDL and the glute-ham raise activated the hamstrings the most.

Aside from being an excellent hamstring builder, the RDL can help improve your deadlift and squat. Plus, it's an awesome outer thigh exercise.

Best for: Hamstrings, glutes, hip hinge strength, and posterior-chain development.

How to do Romanian deadlifts:

• Set up the barbell, then stand behind it so the bar is over your mid-foot.
• Grab the bar with both hands using an overhand grip around shoulder-width apart.
• Start with your shoulder blades retracted down and back, engage your core while keeping a slight bend at the knees.
• Lift up by contracting your glutes until you're standing upright with the barbell at your thighs.
• Hinge forward at the hips as you lower the bar down your body to the floor.
• Pause briefly at the bottom, then press through the floor with your heels, contract your glutes and lift the bar again.
• Repeat for desired reps.

8. GLUTE-HAM RAISE:

The glute-ham raise is fantastic for hamstring strength without loading your spine. Powerlifters swear by it, and for good reason.

Best for: Hamstrings, glutes, knee flexion strength, and posterior-chain durability.

How to do glute-ham raises:

• Get into position on the machine with your feet on the platform and knees on the pad with your ankles locked in.
• Place your arms across your chest.
• Starting with your upper body straight, slowly lower your body until your torso is parallel with the floor.
• Press through your toes and contract your hamstrings to lift your body back up.
• Repeat for desired reps.

Note: If you don't have a glute-ham setup at your gym, you can always perform Nordic hamstring curls.

Related: Best Glute Ham Raise Alternatives

9. LUNGES:

Lunges are unilateral, functional, and incredibly effective for building strong legs that actually help you move better.

Best for: Quads, glutes, balance, athletic movement, and single-leg strength.

How to do lunges:

• Stand with feet hip-width apart while holding dumbbells with both hands to the side of your body.
• Take a step forward with your left leg, keeping your torso upright while you bend at the left knee and lower your right knee toward the floor until your front thigh is parallel with the ground.
• Push through your front foot's heel, returning to starting position.
• Repeat movement with your other leg.
• Complete desired number of reps.

Note: To make this easier, simply do the same exercise without extra weight.

Related: Best Lunge Alternatives

10. SINGLE LEG EXTENSION:

The single-leg extension is great for isolating the quads and improving the mind-muscle connection. This isn't the most functional leg exercise, but it's excellent for exhausting the quads and stimulating muscle growth.

We don't advise going too heavy on this one, as it can put added stress on the knee joints. Use this exercise as an accessory to the larger compound lifts. Super slow eccentrics or dropsets work well here.

Best for: Quad isolation, correcting side-to-side differences, and finishing a leg workout.

How to do single leg extensions:

• Set the desired weight, then get into position on the seat where your knees are aligned with the axis of the machine.
• Using one leg at a time, contract your quadriceps to extend your leg until it is locked out.
• Slowly return to starting position.
• Repeat desired reps, then switch legs.

Note: To round out the muscles of the quads to create a killer outer sweep, angle your toes inwards during the exercise.

Related: Best Leg Extension Machine Alternatives

11. HAMSTRING CURL:

The hamstring curl is a good exercise to hit the hamstrings and glutes. Although the RDL and glute-ham raise produce greater hamstring activation, the hamstring curl has its place when done correctly.

Because you're lying in a locked-in position, you can focus specifically on the hamstring contraction. The machine also makes it easy to use pyramid sets, reverse pyramid sets, and dropsets.

Best for: Hamstring isolation, knee flexion strength, and finishing the posterior chain.

How to do hamstring curls:

• Set up desired weight, then lie face down on the bench with your legs stretched out behind you so that the roller pad is a few inches above your heels.
• Hold the handles, then bring your heels toward your butt as you squeeze your hamstrings. Hold briefly at the top, then lower to starting position.
• Repeat for desired reps.

Related: Best Leg Curl Alternatives

12. STANDING CALF RAISE:

Many people mistake seated and standing calf raises as the same exercise, but they hit the calves differently because of knee angle. The standing calf raise puts more emphasis on the gastrocnemius compared with the seated calf raise.

So, if you want to develop those diamond-shaped calf muscles, standing calf raises are a must.

Best for: Gastrocnemius development and bigger-looking calves.

How to do standing calf raises:

• Get into position with your shoulders under the bar or pads, with your feet hip-width apart while standing on an elevated platform.
• Keep a slight bend in the knees without flexing the legs, then unrack bar or machine.
• Slowly lower your heels until you feel a deep stretch, then pause briefly at the bottom.
• Press through the balls of your feet while contracting your calves until you rise as high as possible, then pause briefly.
• Repeat for desired reps.

Note: This exercise can also be done with a Smith Machine.

13. SEATED CALF RAISES:

Like the standing calf raise, this exercise works the calf muscle, but the emphasis shifts to the soleus muscle located underneath the gastrocnemius.

With the knees bent at 90 degrees, the focus here is the soleus, which can add significant overall size and width to the calf muscle.

Best for: Soleus development and thicker calves.

How to do seated calf raises:

• Get into position with your knees under the pad with your legs bent at 90 degrees.
• Release safety, then lower your heels slowly until you feel a deep stretch in the calves, pausing briefly.
• Press up through the balls of your feet as high as you can, then squeeze once at the top of the movement.
• Repeat for desired reps.

Want to get stronger by following a proven workout program? Check out our SFS Strength Program developed by Garett Reid (NSCA, CSCS, CISSN, M.S.E.S.S).

BEST STRENGTH PROGRAM

SFS Strength Program

Prepare to maximize your strength with our exclusive 13-week strength training program. 3, 4, and 5 day per week programming options.

View Now

ACTIVATION EXERCISES FOR LEG WORKOUTS

A good warm-up does more than get you sweaty. It wakes up the muscles you’re about to rely on and helps your hips, knees, ankles, and glutes work together before the heavy stuff starts.

Perform before each leg workout:

• Air Squats: 2 x 20
• Donkey Kicks: 2 x 15 per leg
• Lateral Walks: 2 x 15 steps per direction

These drills prep your hips, knees, and glutes so your heavy sets feel stronger and more stable.

Related: Best Glute Activation Exercises

TRAINING VARIABLES FOR LEG WORKOUT ROUTINES

Before jumping into the actual workout, it helps to understand why this routine is built the way it is. Random leg days can still make you sore, but smart leg days make you stronger.

Training Frequency

Most people grow best when training a muscle about twice per week with enough weekly volume to drive adaptation. That’s why this program uses two leg sessions instead of one weekly meat-grinder that leaves you waddling like a baby deer.

Rep Ranges

Legs respond well to multiple rep ranges:

• Heavy 4-6 reps for strength
• Moderate 6-12 reps for hypertrophy
• High 12-20 reps for accessories, calves, and isolation work

Rotating through all three gives you more complete lower-body development.

Exercise Order

Start with the exercises that require the most coordination and strength, then move toward accessories:

1. Big compound lifts
2. Secondary compounds
3. Unilateral exercises
4. Isolation and burn-out work

This ensures your most important lifts get your best energy.

Progressive Overload

The real secret behind growth is gradually doing more over time. That can mean:

• More weight
• More reps
• More total sets
• Better technique
• More control through the full range of motion

Small improvements stack up fast when you track your lifts instead of winging it.

THE BEST LEG WORKOUT ROUTINE FOR STRENGTH AND MUSCLE MASS

The ultimate leg workout is divided into two training sessions, Session A and Session B, to align with the proper training frequency and volume of hitting the muscles twice weekly.

This structure gives you heavy strength work, enough weekly volume for hypertrophy, and a balanced approach that trains quads, hamstrings, glutes, calves, and stabilizers.

Note: Even if you don't train your legs twice per week, you can use the two leg workouts in rotation to add variety and allow for better overall muscle development over time.

Before each leg workout, you should perform the following warmup and activation:

• Air Squats: 2 sets x 20 reps
• Donkey Kicks: 2 sets x 15 reps each leg
• Lateral Walks: 2 sets x 15 steps each direction

For squats, be sure to do some ramp-up sets and reps. Don't just jump right into your working weight. For Front Squats and Back Squats, do 2-3 warm-up sets first: Set 1 at roughly 50% 1RM, Set 2 at 60% 1RM, Set 3 at 70% 1RM, and then begin your working sets.

LEG WORKOUT A:

Workout A focus: This session leans slightly more quad-dominant with front squats and single-leg extensions, while still hitting the posterior chain hard with RDLs and hamstring curls.

LEG WORKOUT B:

Workout B focus: This session is built around heavier loading and more posterior-chain work. Back squats, glute-ham raises, lunges, and hip thrusts make this a brutal but balanced lower-body day.

How To Progress This Leg Workout

Run this leg workout for 8-12 weeks before making major changes. Your goal is not to reinvent leg day every Monday. Your goal is to get stronger at high-value movements.

• Weeks 1-4: Focus on clean form and finding the right working weights.
• Weeks 5-8: Add weight or reps when you hit the top of the rep range.
• Weeks 9-12: Push intensity, then deload if performance starts dropping.

For example, if Front Squats call for 3 sets of 6-8 reps, stay with the same weight until you can complete 8 reps on all 3 sets. Then increase the load slightly the next time you perform the exercise.

ADD THE ULTIMATE LEG WORKOUT TO YOUR WORKOUT PROGRAMMING

The ultimate leg workout is based on 2 weekly training sessions, so the best way to incorporate it into your training is as a Push-Pull Legs or an Upper Lower training program.

You can use the ultimate leg workout in a 4, 5, or 6 day PPL or Upper Lower split. Just make sure you hit legs twice a week and have at least 24-48 hours rest between leg sessions.

Here's a look at what your training schedule might look like:

4 Day Upper/Lower Split:

• Monday: Upper
• Tuesday: Ultimate Leg Workout A
• Wednesday: Rest
• Thursday: Upper
• Friday: Ultimate Leg Workout B
• Saturday: Rest
• Sunday: Rest

6 Day PPL Workout Split:

• Monday: Push
• Tuesday: Pull
• Wednesday: Ultimate Leg Workout A
• Thursday: Rest
• Friday: Push
• Saturday: Pull
• Sunday: Ultimate Leg Workout B

Learn about the 5 Best Workout Splits (Routines Included)

Rotating Between A & B Workouts:

Alternatively, if you only want to train legs once a week with a routine like a bro split, rotate between the A and B workouts every other week.

WHY LEG WORKOUTS ARE SO IMPORTANT

We probably shouldn't have to tell you why training your legs is essential, but just in case, here's a quick refresher.

Leg day isn’t just a fitness cliché. It genuinely affects your strength, longevity, athleticism, and how well you move in everyday life.

Stronger Foundation

Your legs support almost everything you do. Strong legs create more stable, powerful, injury-resistant movement.

More Calories Burned

Big muscles require big energy. Hard leg sessions challenge the entire body and can burn a significant number of calories.

Boosted Hormonal Response

Heavy compound leg training creates a strong full-body training stimulus, which supports muscle growth and recovery when paired with proper nutrition and sleep.

Better Everyday Movement

Stairs, running, walking, carrying groceries, chasing your dog through the yard because he stole a sock again - everything gets easier with strong legs.

Aesthetics

Balanced physiques look better. Strong legs complete the picture and prevent the classic “built upstairs, forgot the basement” look.

Improved Sports Performance

Acceleration, jumping, changing direction, and power all start with the lower body.

Reduced Injury Risk

Training the stabilizers around your knees, hips, and ankles helps support better mechanics and more resilient joints.

Pain Reduction

For many lifters, strengthening the legs, hips, and glutes can help reduce lower back or knee discomfort by improving support and movement mechanics.

Long story short, don't skip leg day.

ANATOMY & FUNCTION OF THE LEG MUSCLES

Understanding how your leg muscles work will help you train smarter and get better results from every workout.

HIPS

The hips are one of the most complex and mobile joints in the body. They include several muscle groups that work together to stabilize and move your lower body.

• Adductor Group: Brings your legs toward the center of your body. Think squeezing your thighs together. Exercises include cable adduction and machine work.
• Lateral Rotators: Help rotate your hips outward and support stability during movement.
• Gluteal Group: Includes the gluteus maximus, medius, and minimus. These muscles drive hip extension, rotation, and stability.
• Iliopsoas Group: Responsible for hip flexion and lifting your legs.

GLUTES

Your glutes are made up of three muscles and are the powerhouse of your lower body.

• Gluteus Maximus: The largest muscle in the body. Responsible for hip extension and overall power.
• Gluteus Medius: Stabilizes the pelvis and helps with lateral movement.
• Gluteus Minimus: Assists with hip stability and rotation.

HIP FLEXORS

These muscles bring your legs toward your torso and are heavily used in walking and running.

• Iliacus: Helps flex and rotate the thigh.
• Psoas Major: Connects the spine to the leg and drives hip flexion.
• Rectus Femoris: Assists in both hip flexion and knee extension.
• Pectineus: Helps bring the legs together.
• Sartorius: The longest muscle in the body, supporting hip and knee movement.

HAMSTRINGS

The hamstrings run along the back of your thighs and are essential for hip extension and knee flexion.

• Biceps Femoris: Supports hip extension and knee flexion.
• Semimembranosus: Helps extend the hip and rotate the leg inward.
• Semitendinosus: Assists with knee flexion and hip extension.

Key exercises include RDLs, glute-ham raises, and hamstring curls.

QUADRICEPS

The quads are the largest muscle group on the front of your thighs and are responsible for extending the knee.

• Rectus Femoris: Works at both the hip and knee.
• Vastus Lateralis: Creates the outer sweep of the thigh.
• Vastus Medialis: Forms the inner teardrop shape.
• Vastus Intermedius: Lies beneath the rectus femoris and assists knee extension.

Exercises like squats, lunges, and leg extensions target this group effectively.

CALVES

The calves consist of two primary muscles that help you walk, run, and jump.

• Gastrocnemius: The larger muscle responsible for the visible shape of the calf.
• Soleus: Lies underneath and contributes to overall size and endurance.

Train calves with both standing calf raises and seated calf raises for complete development.

FINAL THOUGHTS ON LEG DAY AT THE GYM

You now have everything you need to build stronger, more muscular legs. The exercises, the structure, and the programming are all here.

The only thing left is consistency.

Stick to the plan, progressively overload your lifts, and focus on quality reps. Over time, those small improvements compound into serious results.

Do not overlook recovery either. Eat enough protein, get quality sleep, and give your legs time to rebuild between sessions.

If you want to take things further, you can even add conditioning work like a staircase workout to build endurance alongside strength.

Legs go.

More Workouts:

• Back and Biceps Workout
• Chest and Triceps Workout
• Shoulder Workout