July 24, 2025

Build Your Dream Lower Body: The Ultimate Women’s Leg Day Workout with Dumbbell

Written by Will Duru, BSc (Hons) Sport and Exercise Science, award-winning Personal Trainer with over 10 years of experience in strength training  and optimising recovery .

As a personal trainer, I’ve helped hundreds of women build stronger, sexier legs and bums. This workout isn’t just about getting fit, it’s about creating the kind of lower body that makes you feel amazing in your favourite jeans and gives you confidence in that little black dress.

The four exercises I’m sharing today will help you build the strong, curvy legs you’ve always wanted. These moves target your glutes, thighs, and hamstrings to give you that toned, sexy look that turns heads. But it’s not just about looks, strong legs will make you feel powerful and confident in everything you do.

I’ve seen my female clients transform their bodies and their lives with consistent leg training. They don’t just build impressive bums and shapely thighs. They develop real confidence that shows in how they walk, how they carry themselves, and how they feel about their bodies.

This workout uses dumbbells to target every major muscle in your lower body. Each exercise works multiple muscles at once, which means you get better results in less time. You can find detailed video demonstrations of every exercise in the 12Reps app, which I recommend to all my female clients.

By the end of this article, you’ll know exactly how to build the strong, sexy lower body you want. More importantly, you’ll understand how leg training can boost your energy, improve your mood, and even enhance your love life.

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Why Leg Training is Perfect for Women

When women first come to me, they usually want to “tone up” their legs and bum. What they discover goes way beyond just looking good. The women who stick with serious leg training see improvements in their energy, mood, confidence, and yes, even their sex drive.

Your lower body has some of the biggest muscles in your body. When you train these muscles hard, your body releases hormones that help you build muscle, burn fat, and feel more energetic. For women, this hormone boost can increase your energy levels, improve your mood, and boost your libido.

Let’s be honest, we all want to look good. Strong glutes don’t just look amazing in jeans and dresses. They give you better posture and the kind of confidence that makes any outfit look better. When your bum is properly developed, it naturally improves your posture and creates that sexy, confident look that gets noticed.

There’s something really empowering about lifting heavy weights and feeling your muscles work. These exercises teach you that you’re stronger than you think. That confidence carries over into every part of your life.

Strong legs and glutes are also essential for staying active and independent as you get older. The women who prioritise lower body strength now are the ones who’ll still be moving with confidence in their later years.

The four exercises in this workout target your glutes from different angles whilst also strengthening your thighs and core. The 12Reps app provides step-by-step progressions for each exercise, so you can start at your level and build up gradually.

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The Complete Women's Leg Day Workout

Workout Overview: use progressive overload – increase the weight each set

Exercise

Warm-up Set

Working Sets

Reps

Rest Between Sets

Dumbbell Bulgarian Split Squats

1 x 15 each leg (light weight)

4 x 10-12 each leg

10-12

90-120 seconds

Dumbbell Step-Ups

1 x 15 each leg (light weight)

4 x 10-12 each leg

10-12

60-90 seconds

Dumbbell Romanian Deadlifts (RDL)

1 x 15 (light weight)

4 x 10-12

10-12

90-120 seconds

Dumbbell Goblet Squats

1 x 20 (light weight)

4 x 10-12

10-12

60-90 seconds

Exercise 1: Dumbbell Bulgarian Split Squats

The Bulgarian split squat is one of the best exercises for building strong, sexy glutes. This exercise targets each leg separately, which helps fix any strength imbalances whilst giving you that lifted, rounded bum shape that looks amazing in any outfit.

Start by standing about two feet in front of a bench or sturdy chair. Hold a dumbbell in each hand at your sides. Place the top of one foot behind you on the bench. Your front leg should be doing most of the work.

Keep your torso upright and your core tight. Lower your body by bending your front knee until your thigh is parallel to the floor. Your back knee should drop towards the ground, but don’t let it touch.

Push through your front heel to return to the starting position. Focus on squeezing your glute as you come up. You should feel this exercise working your glutes, quads, and hamstrings.

The key to getting the most from this exercise is controlling the movement. Don’t rush – take your time going down and really focus on feeling your muscles work. Your front leg should be doing about 80% of the work.

Common mistakes include leaning too far forward, putting too much weight on the back leg, and not going deep enough. Start with lighter weights and focus on perfect form. The 12Reps app shows you exactly how to do this exercise with proper form and provides modifications for different fitness levels.

Exercise 2: Dumbbell Step-Ups

Step-ups are brilliant for building functional strength whilst targeting your glutes and thighs. This exercise mimics everyday movements like climbing stairs, but with added resistance to really challenge your muscles and create that toned, athletic look.

Find a sturdy bench, box, or step that’s about knee height. Hold a dumbbell in each hand at your sides. Step up onto the platform with your right foot, placing your entire foot on the surface.

Drive through your right heel and push your body up until you’re standing on the platform. Focus on using your right leg to do all the work – don’t push off with your left foot. Step back down with control, leading with your left foot.

Complete all reps on one leg before switching to the other. This ensures each leg gets a proper workout and helps prevent strength imbalances.

The step-up is excellent for building single-leg strength and stability. It targets your glutes, quads, and hamstrings whilst also challenging your balance and coordination. This translates to better performance in sports and everyday activities.

Make sure the platform is stable and at the right height. If it’s too high, you won’t be able to maintain proper form. If it’s too low, you won’t get the full benefit of the exercise. The 12Reps app helps you choose the right height and weight for your fitness level.

Exercise 3: Dumbbell Goblet Squats

The goblet squat is perfect for building overall lower body strength whilst targeting your glutes and thighs. This exercise helps create that strong, athletic look whilst also improving your mobility and movement quality.

Hold one dumbbell vertically against your chest, gripping it by the top end. Stand with your feet slightly wider than shoulder-width apart, toes pointed slightly outward.

Keep your chest up and your core tight. Lower your body by pushing your hips back and bending your knees. Go down until your thighs are parallel to the floor or as low as you can whilst maintaining good form.

Drive through your heels to return to the starting position. Focus on squeezing your glutes at the top of the movement. The weight should help you maintain proper posture throughout the exercise.

The goblet squat is excellent for learning proper squat form. The weight in front helps counterbalance your body and makes it easier to sit back into the squat. This targets your glutes more effectively than a regular bodyweight squat.

This exercise builds strength in your glutes, quads, and core whilst also improving your ankle and hip mobility. It’s a fantastic exercise for creating that strong, curvy lower body shape that looks amazing in any outfit.

Focus on sitting back into the squat rather than just bending your knees. This ensures you’re targeting your glutes properly. The 12Reps app shows you how to progress from bodyweight squats to heavy goblet squats safely and effectively.

Exercise 4: Dumbbell Romanian Deadlifts (RDL)

The Romanian deadlift is the ultimate exercise for building strong, sexy hamstrings and glutes. This movement creates that lifted, toned look in the back of your legs whilst also strengthening your lower back and improving your posture.

Stand with your feet hip-width apart, holding a dumbbell in each hand in front of your thighs. Keep a slight bend in your knees throughout the movement. This isn’t a squat – the movement comes from your hips.

Push your hips back and lower the dumbbells towards the floor, keeping them close to your legs. You should feel a stretch in your hamstrings as you lower the weights. Keep your chest up and your back straight.

When you feel a good stretch in your hamstrings (usually around mid-shin level), drive your hips forward to return to the starting position. Squeeze your glutes at the top of the movement.

The RDL is all about the hip hinge movement. Think about pushing your bum back rather than squatting down. This targets your hamstrings and glutes much more effectively than a regular squat.

This exercise is fantastic for creating that lifted, toned look in your bum and the back of your legs. It also strengthens your posterior chain, which improves your posture and reduces your risk of lower back pain.

Start with lighter weights and focus on feeling the stretch in your hamstrings. The 12Reps app provides detailed form cues and helps you progress safely as you get stronger. 

Programming and Getting Results

This leg workout should be done 2 times a week, depending on your fitness level and recovery. If you’re new to strength training, start with one weekly session and see how your body responds.

Start with weights that challenge you but allow you to complete all sets with perfect form. You should have 1-2 reps left in the tank at the end of each set. When you can complete all four working sets with 12 perfect reps, it’s time to increase the weight.

Recovery is just as important as the workout itself. Your muscles grow during rest, not during the workout. Make sure you’re getting enough sleep, eating enough protein, and allowing at least 48 hours between intense leg sessions.

The 12Reps app tracks your progress and suggests when to increase weights based on your performance. This takes the guesswork out of progression and ensures you’re always challenging your muscles appropriately.

The Confidence Factor: How Strong Legs Change Everything

Building strong legs isn’t just about looking good, though you absolutely will. It’s about developing the kind of confidence that comes from knowing you’re strong and capable. When you can squat heavy weights and power through challenging workouts, you start to believe you can handle anything life throws at you.

The hormonal benefits of leg training are real and significant. The testosterone and growth hormone released during intense leg workouts can boost your energy, improve your mood, and yes, enhance your libido. Many of my female clients report feeling more confident and attractive after several weeks of consistent leg training.

Strong legs also improve your posture and the way you carry yourself. When your glutes are strong and properly activated, you naturally stand taller and move with more confidence. This shows in everything from how you walk into a room to how you feel in your favourite clothes.

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Conclusion: Your Journey to Stronger, Sexier Legs Starts Now

These four exercises will help you build the strong, sexy lower body you’ve always wanted. But more than that, they’ll help you develop real confidence and strength that shows in every aspect of your life.

Remember, consistency is key. The women who see the best results are the ones who show up regularly and focus on progressive overload. Start where you are, be patient with the process, and trust that the results will come.

Download the 12Reps app today to access detailed video demonstrations, track your progress, and get personalised recommendations for your fitness journey. Your stronger, more confident self is waiting.

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The 12reps app is your ultimate fitness companion, crafting tailored workout plans, tracking your progress, and keeping you motivated every step of the way. Whether you’re at home, in the gym, or on the go, our adaptable approach fits seamlessly into your lifestyle — providing the support and guidance you need to crush your goals and stay on track.
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