Building muscle can be challenging, especially for women. One reason is the lower testosterone levels in women compared to men. However, with a few lifestyle adjustments focused on a healthy diet and targeted muscle-building exercises, women can enhance muscle mass and strength.
Steps
Building Muscle in Adults

Consult a Trainer and/or Doctor. Before beginning a muscle-building regimen, it's important to consult a doctor. Muscle-building exercises can be demanding on the body, and individuals with certain chronic conditions (such as heart disease, high blood pressure, or a history of strokes) may not be suited for this type of training.
- If you have high blood pressure (hypertension), avoid lifting heavy weights without medical consultation. If your blood pressure exceeds 180/110 mm Hg, do not lift weights until your blood pressure normalizes with medication.

Claudia Carberry, RD, MS
Nutrition specialist
Nutrition specialist
Claudia Carberry, a nutrition specialist, recommends: "The best way for women to build lean muscle is to engage in strength training exercises."

Design a strength training workout plan. Strength training exercises involve engaging every muscle group in the body and challenging them to work against some form of resistance. By forcing your muscles to work against added resistance, you prompt the muscle fibers to react to the tension you introduce, which results in muscle growth and definition. To build muscle, it is essential to incorporate strength training (also referred to as endurance training) into your workout routine each week.
- A typical strength training program may include the use of weights (dumbbells/barbells), machines, resistance bands, or even bodyweight exercises (push-ups, pull-ups, sit-ups).
- Ensure you set up a balanced and comprehensive strength training program to enhance muscle growth (see section three).

Avoid excessive cardio workouts. Building muscle isn't about burning fat. The most effective way to increase muscle mass is through weight training, while excessive cardio can actually diminish muscle size (you've likely never seen a marathon runner with large muscles, right?).
- That said, cardio should not be eliminated entirely, as it helps improve cardiovascular health and provides numerous other benefits, including stronger bones, lower blood pressure, reduced risk of chronic diseases (diabetes, cancer, heart disease), and better mood.
- Moreover, reducing overall body fat will enhance muscle definition, giving your body a more toned and healthy appearance.
- The key to incorporating cardio into your muscle-building plan is to focus on sprints rather than prolonged aerobic exercises. Limit high-intensity sprints to 20 minutes, allowing 1-minute rest periods after 30-60 seconds of intense sprinting.
- Separate cardio and weight training days. Never perform cardio right after lifting weights—schedule these workouts on different days.
- Cardio sessions should be kept to 20 minutes, 3 to 5 times per week.

Prioritize rest. Weight training actually puts your muscles into a catabolic state (muscle protein breakdown). To counter this, your body needs to rebuild muscle tissue, and this rebuilding process is when you're actually 'building' muscle. Therefore, balancing strength training with proper rest is crucial.
- Strength training should be done 3 to 4 times a week, and it’s important not to train the same muscle group on consecutive days.
- Ensure you get enough sleep each night—adults require at least 7-9 hours of sleep nightly.

Learn the importance of proper technique and understand the potential risks. Weightlifting stresses not only your muscles but also your joints and bones. Failure to perform exercises correctly can lead to injury.
- Make sure to consult with a trainer and invest time in mastering the correct form for each exercise before increasing the weight.
Building muscle for children and adolescents

Consult a pediatrician. Before allowing young children or teenagers to engage in strength training, it’s essential to consult with a doctor. A muscle-building program for this age group differs slightly since their bodies are still growing. Overtraining or lifting too much weight can lead to injury and affect their development long-term. Conducting a pre-training health check helps you and your child assess:
- Training goals.
- Proper technique understanding.
- Risk factors, such as injuries and concerns about steroid or supplement use.
- Remember, since the main goal of strength training is muscle growth, it’s important to discuss steroid use with a pediatrician, especially if your child is training for competition.

Engage in muscle-strengthening exercises. These exercises primarily focus on weightlifting but also involve using your body weight (such as sit-ups and push-ups). You can also incorporate endurance and agility training to enhance both strength and muscle size.
- Weightlifting is the most common muscle-strengthening technique in sports and fitness routines.
- When starting out, it's recommended to consult a fitness trainer who can guide you or your child in learning how to perform each exercise correctly.
- Always remember to warm up before exercise to minimize the risk of injury by dedicating at least 5-10 minutes to cardio exercises.
- Stretch gently before and after your workout to improve muscle flexibility.

Start with lighter weights and gradually increase to heavier ones as your body strengthens. Using excessively heavy weights can result in injury. It’s also crucial to first master the correct techniques for each exercise before increasing the weight.
- Focus on maintaining proper body movement with each rep: move slowly, breathe properly, and be aware of your range of motion. Rushing or performing exercises incorrectly can cause injury.
- Listen to your body. The intensity of your workouts depends on your repetitions, the weight, and your rest periods between sets. Don’t overexert yourself.
- However, don’t be afraid to push yourself. If you don’t challenge your muscles and increase the weight, they won’t grow.

Avoid powerlifting or competitive weightlifting. Teenagers and young children should not participate in competitive weightlifting, powerlifting (which includes four distinct lifting movements), or bodybuilding. These activities require the development of multiple muscle groups, making them unsuitable for younger individuals, and they also carry a higher risk of injury.
- If you're uncertain about which weightlifting or strength-training exercises are appropriate for you or your child, seek advice from a doctor.
- Since adolescents and children's bodies are still developing, they are more prone to injury.

Incorporate aerobic exercise into your weekly routine. Aerobic exercise (or cardio) is physical activity that increases your heart rate and works in conjunction with your respiratory system. Regular aerobic exercise provides many health benefits, such as maintaining your body weight, reducing stress, improving cardiovascular health, lowering the risk of chronic diseases (like diabetes and cancer), and releasing endorphins that enhance mood.
- Aerobic exercises that are weight-bearing, such as walking, dancing, tennis, and running, also help strengthen bones.
- Adding aerobic exercises to your weekly routine will help balance muscle-strengthening workouts and provide a stronger foundation for the future.

Be aware of the risks. Every physical activity carries some inherent risk, and this is particularly true for strength training. According to the National Injury Surveillance System, there are approximately 20,000 to 26,000 injuries related to strength training among individuals under 21 years of age, with 40% to 70% of these injuries being muscle strains, mainly in the lower back.
- Strength training programs must be carefully planned and executed to minimize the risk of injury. This can be done by:
- Having a supervisor or trainer monitor you during weightlifting sessions.
- Fully understanding exercise instructions to avoid injury.
- Knowing how to properly use gym equipment.
- Keeping the training area clear of hazards.
- Including warm-up and cool-down exercises.

Avoid excessive training. Overtraining can be detrimental to your body and lead to a catabolic state (breaking down muscle proteins). During adolescence, the body is still developing, so excessive endurance training or burning too many calories can cause issues.
- Workout sessions should be limited to one hour or less, and you should allow one (or two) days of rest between sessions for muscle recovery.
- Signs of overtraining to watch for include: an elevated heart rate while at rest, trouble sleeping, and feeling drained.
- If you or your child experience any of these symptoms, reduce the workout duration or intensity and consult a doctor.
- Note for parents: overtraining may signal an eating disorder. If you suspect your child is overtraining, watch for these signs: frustration from missing a workout, exercising even when ill, irritability from being inactive due to not burning calories, and concerns about gaining weight if skipping a workout for a day.
Focus on the appropriate muscle groups.

Maximizing the Benefits of Compound Muscle Movements. Compound exercises that target primary muscle groups significantly enhance your muscle mass and boost your metabolic rate. For instance, the bench press works the chest, triceps, and deltoids all in one go. In contrast, isolation exercises like tricep extensions focus solely on the triceps.
- Compound exercises activate more muscle fibers with every rep, meaning you can spend less time in the gym.
- Try structuring your workout routine with 4 days dedicated to upper and lower body splits, or 3 days for full-body workouts to avoid overworking your muscles, which is common in isolation exercises.
- Once you’ve reached your muscle-building goals, add isolation exercises to improve muscle definition.

Building Muscle in the Legs and Glutes. To build muscle in your lower body, focus on exercises targeting the thighs, calves, and hips. Increasing resistance (or weight) while lowering the number of reps is essential for muscle growth (as opposed to building endurance).
- For the thighs, perform exercises that target the hamstrings, quadriceps, and hip flexors, such as leg curls, squats, and step-ups.
- For the calves (including the soleus, gastrocnemius, and tibialis anterior), try both standing and seated calf raises.
- Some leg exercises, such as squats and lunges, also work the glutes (outer, inner, and hip flexors). For further strengthening, add exercises like hip thrusts and leg presses.
- Ensure you’re using a resistance heavy enough that you can only complete 4-8 reps per set. If you can perform more than 8 reps, the resistance is too light, and you’re likely training for endurance instead of muscle growth.
- Note for teens: Always check with a coach or pediatrician before attempting these exercises, as your body is still developing. Avoid high-intensity or overly heavy lifts.

Strengthening and Building Back Muscles. To develop your back muscles, focus on strengthening the lats, traps, rhomboids, lower traps, serratus, teres muscles, and the rear deltoids.
- There are numerous exercises you can perform to target these areas. Try movements like deadlifts, barbell rows, seated rows, pull-ups, chin-ups, reverse flys, and face pulls to build strength in your upper back.
- You can use dumbbells, barbells, machines, resistance bands, or even your body weight to complete these exercises effectively.
- Developing back muscles will also improve your posture.

Strengthening the Core for Firm Abs. To build a strong set of abs, focus on training the rectus abdominis, obliques, transverse abdominis, and lower back muscles.
- For abdominal training, you can use bodyweight exercises like crunches, leg raises, and planks. Additionally, you can incorporate dumbbells, kettlebells, or a barbell for extra resistance to engage your core and maximize muscle growth.

Building Chest Muscles. Many women neglect chest training, but this is an outdated perspective. Developing the chest muscles helps maintain balance in your physique, especially if you’re also focusing on your back. Ignoring one side of your body can lead to an imbalanced appearance.
- To target the chest, focus on exercises that work the pectoralis major, pectoralis minor, and serratus anterior muscles.
- Choose a variety of exercises, including bench presses, chest flies, dumbbell presses, and/or chest dips for comprehensive chest development.

Strengthening the Arms and Shoulders. Many women strive for toned and muscular arms and shoulders. To achieve this, you need to target the deltoid muscles (front, middle, and rear) along with the upper trapezius, triceps, biceps, forearms, wrist flexors, and extensors.
- For shoulder development, exercises like overhead presses, standing dumbbell presses, front raises, upright rows, or reverse flys are great options. You can use resistance bands, dumbbells, or barbells to add extra weight.
- For the arms, using dumbbells or gym machines, perform movements like tricep dips, tricep kickbacks, barbell curls, wrist curls, and roller exercises.
Building Muscle with Nutrition

Start Your Morning with Oats. Building muscle begins with paying attention to your food choices. When it comes to selecting a low-processed carb with a low glycemic index (GI), there’s no better breakfast option than oats.
- In addition to being high in fiber and low in calories, the benefits of oats include: providing essential micronutrients, reducing hunger, increasing satiety, and decreasing energy consumption during the following meal (the second meal effect).
- Generally, oats are an excellent option for adding healthy carbs to your diet.
- Avoid instant oatmeal packets as they contain high amounts of sugar and artificial colorings. Opt for steel-cut oats and add nutritious toppings like chopped nuts and blueberries for added health benefits.

Eat Lean Meat. Consuming high-quality, lean meat rich in protein is a vital part of building muscle. Your digestive system breaks down the protein in meat into amino acids, which serve as the building blocks for muscle tissue and are crucial for recovery after workouts.
- Choose lean cuts of beef (such as sirloin, top round, and eye of round) or lean ground beef with less than 7% fat. Lean beef is favored by bodybuilders due to its nutritional value (zinc, iron, and various B vitamins) and its high-quality protein content.
- Opt for skinless chicken or turkey, which are excellent sources of lean protein.

Incorporate Low-Fat Dairy and Eggs. These foods contain essential nutrients and protein required for muscle development and maintenance. Dairy products also help strengthen bones, particularly in children and teenagers.
- Consider adding low-fat cottage cheese to your diet. It not only makes a healthy snack when paired with fresh berries but also contains slow-digesting protein, ideal for muscle maintenance.
- Note: If you are lactose intolerant, you can substitute with calcium- and vitamin D-fortified soy products.
- Include eggs in your diet, as they are rich in protein and essential nutrients (such as amino acids, choline, and vitamin D). Although eggs are often thought to be high in cholesterol, recent research shows they do not negatively impact health.

Incorporate nutrient-rich carbs into your meals. Your muscles require energy to contract, and that energy primarily comes from carbohydrates. Without consuming carb-rich, nutrient-dense foods, your workout performance will suffer, and fatigue will set in. Your post-workout meal should be carbohydrate-heavy.
- Eat fresh fruits and vegetables that are rich in antioxidants to maintain overall body health.
- Fruits and vegetables are also packed with essential vitamins, minerals, and fibers.
- Include whole grains (such as brown rice and whole-wheat pasta) in your meals, as they are rich in carbs and fibers beneficial for health.
- Brown rice helps improve growth hormones, which are vital for muscle development, strength building, and fat loss.
- Avoid white bread and pasta made from refined flour.

Don't forget to use healthy fats. While fats often get a bad reputation, your body still needs them for energy, absorbing fat-soluble vitamins, and maintaining healthy skin and hair. However, not all fats are created equal, and you should opt for foods that contain healthy fatty acids.
- Consume foods high in polyunsaturated and monounsaturated fats, such as beans, avocados, nuts, and oils (like olive oil, safflower oil, and flaxseed oil).
- These foods are also rich in omega-3 and omega-6 fatty acids, which are essential for your body and cannot be synthesized on its own.
- Eat fish. In addition to being packed with omega-3 fatty acids, fish is also an excellent source of protein.
- Avoid saturated and trans fats found in butter, regular milk, beef, processed foods, and fast food.

Supplement with whey protein. Whey protein is widely used by athletes looking to build muscle, mainly because it provides a fast, convenient, and affordable source of protein. Scientific research supports that whey protein is an excellent source of protein for both adults and children.
- Use whey protein immediately after your workout to replenish and promote muscle growth.
- Make sure to supplement with other healthy sources of protein from various foods, not just whey protein powder.
- Adults should consume 20–30 grams of whey protein daily, not exceeding 1.2 grams per kilogram of body weight. Be cautious with high doses, and only use it for a limited period of time.
- Children should consume 0.8–1 gram of protein per kilogram of body weight daily. If you are strength training, increase your protein intake, and consult a doctor for guidance on the appropriate whey protein dosage (if needed).
- Note: Excessive protein intake can be harmful and may lead to kidney disease, cancer, and osteoporosis. Always consult your doctor if you're unsure about how much protein to take, and before using any protein supplements.

Consider taking vitamin supplements (if necessary). A balanced and healthy diet is the best way to ensure you get enough vitamins and minerals. However, if you are deficient in specific vitamins or minerals, supplements can help.
- Always consult your doctor before using any supplements. Too much fat-soluble vitamin intake can be harmful to your body.
Advice
- Ensure you get adequate sleep. A restful night will keep you alert and focused, preventing you from nodding off during your workout or competition.
- Training is a long-term commitment, so don't expect instant results. To succeed, you must practice patience.
- Don't forget to hydrate. Exercise increases your body's need for water, so to avoid dehydration, aim for 10 to 12 glasses of water daily.
Warning
- Avoid pushing yourself too hard! Limit your muscle-building workouts to 3 to 5 days a week to allow your muscles time to recover.
- Always consult a doctor before starting any fitness program.
