A woman and a man write on a whiteboard to design a weight training routine

How to Design a Weight Training Routine: A Practical Guide

Learning how to design a weight training routine that actually works comes down to six decisions: exercise selection, exercise order, warm-up, intensity, rep ranges, and scheduling. Get these right, and your results will follow. This guide, built from 30 years of applied exercise science and in the trenches experience, walks you through each one with specific, evidence-based recommendations so you can stop guessing and start progressing with real lasting results.

Quick Reference: The 6 Variables for Designing Your Weight Training Routine

  1. Exercise Selection — Prioritize compound movements, then add isolation exercises for lagging muscles
  2. Exercise Order — Train goal-specific muscles first, larger groups before smaller ones
  3. Warm-Up — 5–10 min general cardio warm-up, plus 1–2 specific warm-up sets per exercise
  4. Rest Between Sets — 2–3 minutes for strength and hypertrophy; less for endurance and circuit goals
  5. Intensity — Train to approximately 1 rep in reserve (RIR); never sacrifice form for weight
  6. Rep Range — Match your reps to your goal: 20+ for endurance, 8–11 for muscle growth, 4–7 for maximal strength

By Mike Croskery, M.Sc. HK (Biomechanics) - Clinical Exercise Physiologist

1. Exercise Selection: How to Choose the Exercises for Your Goals

Kickstarting your weight training routine starts with selecting exercises tailored to your specific goals. A core principle in strength training design is to choose movements that engage multiple muscle groups simultaneously, known as compound exercises. For example, a squat primarily engages your quadriceps, gluteals, and core. Similarly, a bench press targets your chest with help from your shoulders and triceps. This approach dramatically boosts workout efficiency, allowing you to train more muscles in less time and burn more calories simultaneously.

However, if you're aiming to target and develop a specific muscle, opt for exercises that isolate it. These single-joint movements, such as a leg extension for the quadriceps or a lateral raise for the shoulders, precisely target one muscle group, minimizing assistance from other muscles to ensure maximum impact.

In practical terms, a strategic mix of compound and isolation exercises is key to achieving comprehensive progress and balanced muscular development. While compound movements are excellent for overall strength and efficiency, they might not always provide sufficient stimulus to specific assisting muscles, such as the arms (biceps and triceps), shoulders (deltoids), or hamstrings. Relying only on compound lifts can lead to underdeveloped areas or training plateaus. By intelligently incorporating isolation exercises, you can directly target these smaller or potentially less-stimulated muscle groups, ensuring all areas receive adequate work. So, don't hesitate to mix it up to ensure each muscle group is effectively stimulated and contributes to your overall strength and physique.

Gym with weight training equipment to design and perform a routine

2. Exercise Order: How to Sequence Lifts for Strength & Growth

Once you've selected your exercises, the next crucial step is to design a weight training routine that considers their placement and sequence. This exercise order significantly affects the effectiveness of your workout and your overall results.

First, always prioritize exercises specific to your primary training goal. For instance, if your main objective is to build a more muscular chest, you should perform your chest exercises before moving on to other muscle groups or general conditioning. This ensures you're dedicating your peak energy and focus to what matters most for your goals.

Secondly, a fundamental rule is to place compound (multi-joint) exercises before isolation (single-joint) exercises. Think about it: exercises like squats, deadlifts, and bench presses demand more energy and recruit a greater number of muscles. By performing these taxing movements when you're freshest, you can lift more weight and maintain better form, maximizing the benefits for growth and strength. Following up with isolation exercises, such as bicep curls or triceps extensions, allows you to thoroughly fatigue the smaller, supporting muscles that might not have received enough stimulus from compound movements alone.

Finally, if you're not emphasizing a specific body part, a smart strategy is to train larger muscle groups before smaller ones. For example, you'd typically train your back muscles before your biceps. This approach prevents smaller muscles from fatiguing early and limits your performance in exercises targeting larger, more energy-demanding muscle groups.

3. Warm-Up Protocols: How to Prepare for Heavy Weight Training

Before you begin, a proper warm-up is recommended for several reasons. It prepares your body and mind for the work ahead, reducing the risk of injury and enhancing performance. There are typically two effective ways to approach your warm-up for weight training:

1. General Warm-Up (Cardiovascular): Start with 5–10 minutes of light cardiovascular exercise. This could be brisk walking, stair climbing, or cycling. This phase is about more than just getting your heart rate up; it helps you mentally prepare, gently increases your muscle temperature, and improves overall blood flow to your muscles and joints. This process gently nudges your body's internal machinery to prepare its essential muscle enzymes for action. Often, this type of warm-up is sufficient for beginners who train at lower intensities than more experienced lifters.

2. Specific Warm-Up (Warm-Up Sets): After completing your general warm-up, or as a standalone strategy for specific exercises, warm-up sets are more specific to both the movement and the muscles involved. These sets more specifically prepare your nervous system, muscles, and connective tissues for the heavier loads to come.

For each new exercise, perform 1 to 2 warm-up sets using lighter weights before your main "work sets." Aim for 5–7 repetitions per warm-up set. The general rule is to use approximately 50-75% of your intended work set weight. More experienced lifters who are pushing weights closer to their max may benefit from 3 to 5 warm-up sets.

For example, if your bench press set is 100 pounds, you'd start with a warm-up set of 50 pounds for 5-7 repetitions. Your second warm-up set might then be 75 pounds for the same 5-7 reps. This gradual progression primes your muscles and nervous system, enabling you to lift heavier weights more safely and effectively maximize muscle recruitment.

This type of specific warm-up is particularly important when your work sets involve 12 repetitions or fewer, as these typically use heavier weights. If you're doing sets of 15 repetitions or more, you might get away with just one warm-up set, or even none if you're performing repetitions greater than 20, as the lighter initial reps in your work set serve a similar purpose.

A person performing a warm before weight training

4. Rest Times Between Sets: Muscle Hypertrophy vs. Strength

Probably one of the more common questions is how long you should rest between exercises. Should you charge ahead and power through your workout, or is chatting for extended periods between sets acceptable? Recovery between sets is an often-overlooked component when designing a weight-training routine. The rest time you take between sets can directly impact your performance and, ultimately, your results.

For most exercises, aim to rest approximately 2-3 minutes between sets. This timeframe isn't arbitrary; it allows your working muscles to regenerate 85%–95% of their primary energy source (ATP and creatine phosphate). This means you'll be better prepared to perform your next set with adequate intensity and form, maximizing your strength and muscle gains.

However, we know time can be a factor. If you find a 2-3 minute rest period too long, you have options to keep your workout effective and time-efficient:

  • Alternating Exercises: You can perform a set of one exercise, rest briefly, and then immediately move to a set of a different exercise targeting a different muscle group. Once that's done, you can return to your first exercise. This is a great way to use your time efficiently while still allowing adequate recovery for individual muscle groups.
  • Circuit Training: If your goal is to improve general fitness, build stamina, or complete a fast, convenient workout, circuit training is an excellent option. This involves performing several exercises targeting different muscle groups consecutively, with minimal rest between them. Only rest if necessary after you've completed a full "circuit" of exercises.

I want to point out, though, that if your primary goals are muscle development (hypertrophy) or maximal strength, adhering to the recommended 2-3 minutes of rest between all sets of the same exercise before proceeding to the next is generally better. This ensures you're consistently lifting at the necessary intensity to trigger those specific future adaptations.

5. Training Intensity: Using Perceived Exertion (RPE) and Repetitions in Reserve (RIR)

So, you've selected your exercises, decided on their order, and mastered your warm-up and recovery between sets. Now, let's talk about the fuel for your progress: intensity. This refers to the effort you put into each set, and it's one of the most essential factors when designing a weight-training routine to achieve the results you want.

When selecting the weight for an exercise, aim to choose one that makes the last repetition of your set genuinely challenging. We often refer to this as training to near "failure." Others use a term that ranks how hard you are lifting as the Rate of Perceived Exertion (RPE) (4). If you use the latter, it should be close to the maximum rating.

Still others use a measure called Repetitions in Reserve (RIR) (5), which is the number of repetitions you can do until you can no longer lift the weight properly. Ideally, you should feel as though you might be able to squeeze out one more repetition (1 RIR or an RPE of 9) than you performed, but no more. This level of effort ensures you're providing sufficient stimulus for your muscles to adapt, grow, and get stronger. Although sometimes training to complete failure can test your upper limits and establish a good baseline, make sure you have your safety equipment set up or an experienced spotter to assist you.

However, a critical point to remember is that this high level of effort must never compromise proper exercise form. If you find yourself having to "cheat" – by using momentum, twisting your body, or sacrificing proper technique for those last couple of repetitions – then the weight is likely too heavy for you right now. Training with improper form significantly increases your risk of injury and reduces the effectiveness of the exercise for the target muscles. Always prioritize perfect form over lifting heavier weights.

A man performing a front squat at high intensity as a key factor in the design of a weight training routine

6. Training Targets: The Best Rep Ranges for Strength, Muscle Growth, and Endurance

Now that you have your intensity dialled in, the next critical element in designing a weight training routine that suits your goals is selecting the right number of repetitions. The number of repetitions you choose for each set directly dictates how your muscles will adapt and respond to your training program. This is where your specific fitness goals truly take effect. However, the American College of Sports Medicine (6) has just updated its guidelines for strength and muscle growth in exercise prescription, and its conclusions are that the repetition range (or intensity) is less important for muscle hypertrophy than once thought, as long as sets are carried to a reasonable level of fatigue with an adequate amount of volume (sets and repetitions). Whereas strength gains were more related to higher intensity than to higher volume, which aligns with previous recommendations.

This now suggests that you have a wide range of options for building muscle, depending on your stamina, injuries, or personal preference. In practice, however, the guidelines below remain highly effective, providing targeted ranges to help you choose your path and reduce the guesswork involved in training design.

Here's a guideline on how different rep ranges can influence your results:

  • 20+ Repetitions (High Reps for Stamina & Muscle Tone): Generally, sets of 20 or more emphasize muscular endurance (stamina) and can contribute to increased muscle tone or firmness. Keep in mind that muscle definition (or tone) and firmness are directly related to how much body fat is covering the muscle. While you'll still build some strength, this range is primarily about conditioning, though you may also build muscle at this intensity.
  • 16-20 Repetitions (Moderate Endurance & Initial Gains): This range offers similar endurance benefits but introduces a moderate increase in strength and a slight boost in muscle development (hypertrophy). It's a good starting point for foundational fitness or for those just beginning their weight training journey.
  • 12-15 Repetitions (Moderate Strength & Development Balance): Choosing 12-15 repetitions shifts the focus to challenging the muscle's structural characteristics. You'll see less of a specific endurance training effect, but a more significant increase in both strength and muscle development than with training at higher repetition ranges. This range is excellent for balanced gains.
  • 8-11 Repetitions (Optimal for Muscle Growth & Strength): This is often considered the optimal repetition range for significant muscle development and is highly effective for increasing strength. You'll still see an increase in muscle tone, but muscular endurance will only improve slightly.
  • 4-7 Repetitions (Primary for Maximal Strength): For those whose primary goal is to maximize strength, a repetition range of 4-7 repetitions is ideal. This range yields optimal strength gains, along with good muscle development and tone, albeit with limited emphasis on muscle endurance.
  • 1-3 Repetitions (Advanced Strength): This repetition range is best suited for advanced lifters and athletes with well-defined goals. Very high to maximal intensities can place significant stress on both tissues and skeletal structures and should be used sparingly and under controlled conditions.

Ultimately, the number of repetitions you integrate into your workout depends entirely on your specific fitness goals and your current level of experience. As your comprehensive playbook for designing a weight training routine continues, we move on to putting it all together into a schedule that works for you.

7. Sets, Reps, and Volume: How Much Training Do You Actually Need?

We've discussed intensity and selected your repetition ranges. Now, let's take a closer look at the total "work" you're doing. Your workload, often referred to as volume, is calculated by sets multiplied by repetitions multiplied by the weight lifted. This metric is frequently used as an indicator of the total stimulus you're providing to your muscles, and it directly influences the type of adaptation you'll achieve.

Generally, higher workload volumes are associated with greater muscle hypertrophy (growth) because they provide the cumulative mechanical tension and metabolic stress necessary for muscle building. For hypertrophy, aiming for up to 20 sets per muscle group per week can be highly effective (1). Conversely, lower but heavier workloads (fewer reps or sets at maximal weight) are typically better for developing maximal strength, which emphasizes neurological adaptations and movement efficiency. For strength, a target of 3-6 sets per muscle group per workout, translating to roughly 6-10 sets per muscle group per week, is considered optimal (2).

Beginners should start with lower, manageable workloads and prioritize proper form and lifting technique. As you gain experience and physical capacity, you can gradually build up to higher volumes. This progressive increase in workload over time is a key principle of effective training. As your muscles adapt, increasing the workload is one way to continually provide a novel stimulus that allows them to adapt and grow stronger. However, remember that pushing volume too high without adequate recovery can lead to diminishing returns, increased fatigue, and a higher risk of injury. Balancing your workload with sufficient rest and listening to your body are crucial for sustainable progress in any weight training routine you design.

Here is a chart outlining general guidelines for selecting and progressing workloads across various goals.

Weight Training Volume for General Fitness & Health

Experience LevelTarget Rep RangeRecommended Sets / Muscle GroupRest Days Between Sessions
Beginner (0-2 Weeks)15-20 Reps1-2 Sets2-3 Days
Early Intermediate (6-8 weeks)15 Reps2-3 Sets3 Days
Intermediate (3-6 months)12-15 Reps3-4 Sets3-4 Days
Advanced (12+ months)8-20 Reps5-6 Sets4 Days

Training Volume for Muscle Definition and Tone

Experience LevelTarget Rep RangeRecommended Sets/ Muscle GroupRest Days Between Sessions
Beginner (0–2 months)20 Reps3 Sets2–3 Days
Early Intermediate (2-6 months)15 Reps4-5 Sets3-4 Days
Intermediate (6 months)12–15 Reps6 Sets4 Days
Advanced (12+ months)158-12 Sets5-6 Days

Training Volume for Muscle Hypertrophy (Development and Growth)

Experience LevelTarget Rep RangeRecommended Sets/ Muscle GroupRest Days Between Sessions
Beginner (0–2 months)15 Reps3 Sets2–3 Days
Early Intermediate (4 months)10 - 12 Reps4-5 Sets3-5 Days
Intermediate (6 months)8 Reps6 Sets5-6 Days
Advanced (12+ months)10–12 Reps8-12 Sets6-7 Days

Training Volume for Maximal Strength

Experience LevelTarget Rep RangeRecommended Sets/ Muscle GroupRest Days Between Sessions
Beginner (0–1 months)15 Reps3 Sets2–3 Days
Early Intermediate (3 months)10 Reps4 Sets3–4 Days
Intermediate (6 months)8 Reps5 Sets4–5 Days
Advanced (12+ months)3-6 Reps6 Sets5–6 Days

8. Workout Splits: How to Schedule Your Workouts for Consistency

You've meticulously chosen your exercises, dialled in your intensity, and understand the rep ranges you need. Now, it's time to bring it all together into a practical plan: scheduling your workout. This isn't just about picking random days; the best schedule for you is one that ensures the most consistency toward your fitness goals.

When you design a weight training routine, consider these crucial personal factors:

  • Would you rather train 3 times a week for an hour per session, or 5 times a week for 30 minutes per session?
  • Are there specific days you cannot exercise?
  • What time of day can you consistently dedicate to yourself without interruptions?
  • Do you need a workout schedule with built-in flexibility?

Your answers to these questions will significantly influence your success. Remember that depending on your goals, muscles need a specific amount of stimulus (sets, repetitions, and intensity) to improve. While there are specific recommendations tailored to your objectives, understanding your availability is the first step in building a routine that truly aligns with your life and helps ensure success. In most cases, a muscle group should be trained on average about twice a week. Higher workloads require fewer workouts, while lower workloads allow for more frequent workouts.

Fortunately, there's considerable flexibility in how you can organize your training, as your muscles require adequate time to recover and adapt. To design a weight training routine that fits various schedules, the most common and effective approach is to split your muscle groups across different training days. Depending on your goals, workload, available time, and recovery capacity, you might decide to split your training into a split routine spanning 2, 3, 4, or even more days (3). Although some individuals may perform a whole-body workout twice a week, these workouts are often significantly longer and more fatiguing.

In the upcoming examples, we'll illustrate how you can effectively divide your muscle groups across several days, providing real solutions to help you implement these principles. Note that the charts below do not include rest days. Your split routine should include at least one rest day per training cycle, depending on your total workload. For example, ending your training split with one day of rest is common before repeating it. Others may find it necessary to add a rest day midway through the training split. Listen to your body and ensure you feel recovered before tackling that workout again.

The 2-Day Workout Split Template

Version A

  • Day 1: Back, Chest, Shoulders, Abs
  • Day 2: Quads, Hamstrings, Biceps, Triceps, Calves

Version B

  • Day 1: Shoulders, Biceps, Triceps, Abs, Calves
  • Day 2: Quads, Hamstrings, Back, Chest

Version C

  • Day 1: Chest, Biceps, Triceps, Quads, Calves
  • Day 2: Back, Shoulders, Hamstrings, Abs

Version D (Push / Pull)

  • Day 1: Back, Biceps, Hamstrings, Abs
  • Day 2: Chest, Triceps, Quads, Shoulders

The 3-Day Workout Split Template

Version A

  • Day 1: Back, Shoulders, Abs
  • Day 2: Quads, Hamstrings, Calves
  • Day 3: Chest, Biceps, Triceps

Version B (Push/Pull + Legs)

  • Day 1: Back, Biceps, Abs
  • Day 2: Quads, Hamstrings, Shoulders
  • Day 3: Chest, Triceps, Calves

Version C

  • Day 1: Chest, Back, Abs
  • Day 2: Quads, Hamstrings, Calves
  • Day 3: Shoulders, Biceps, Triceps

Version D

  • Day 1: Shoulders, Abs, Calves
  • Day 2: Quads, Back, Triceps
  • Day 3: Hamstrings, Chest, Biceps

The 4-Day Workout Split Template (Advanced)

Version A

  • Day 1: Back, Abs
  • Day 2: Quads, Hamstrings
  • Day 3: Chest, Biceps, Triceps
  • Day 4: Shoulders, Calves

Version B

  • Day 1: Biceps, Hamstrings, Abs
  • Day 2: Calves, Shoulders
  • Day 3: Triceps, Quads
  • Day 4: Back, Chest

Version C

  • Day 1: Chest, Triceps
  • Day 2: Quads, Calves
  • Day 3: Shoulders, Hamstrings
  • Day 4: Back, Biceps, Abs

Version D

  • Day 1: Hamstrings, Triceps
  • Day 2: Quads, Biceps
  • Day 3: Back, Shoulders
  • Day 4: Chest, Abs, Calves

The 5-Day Workout Split Template (Advanced Volume)

Version A

  • Day 1: Back, Abs
  • Day 2: Chest, Calves
  • Day 3: Shoulders, Forearms
  • Day 4: Biceps, Triceps
  • Day 5: Quads, Hamstrings

Version B

  • Day 1: Biceps, Quads
  • Day 2: Triceps, Hamstrings
  • Day 3: Chest, Abs
  • Day 4: Back, Calves
  • Day 5: Shoulders

Version C

  • Day 1: Biceps, Hamstrings
  • Day 2: Triceps, Quads
  • Day 3: Chest, Calves
  • Day 4: Back, Abs
  • Day 5: Shoulders, Lower Back

Conclusion

You now have a comprehensive approach to creating a weight training routine that truly works for you. Some key factors for achieving successful results include selecting the right exercise that aligns with your goals and incorporating it at appropriate points in your workout. We have focused on the proper way to warm up to ensure your muscles are firing at peak performance, as well as optimizing rest times between sets. Dialling in the appropriate intensity is key to choosing optimal repetition ranges, along with scheduling workouts for maximum consistency and long-term success.

Remember, the most effective routine isn't just the one that promises quick results; from my own experience, it's the one you can consistently stick to, and that evolves with you as you progress. By applying the principles outlined in this playbook, you can learn to become the architect of your fitness or athletic journey. Embrace the process of learning new approaches, listen to your body, and enjoy the rewarding path to a stronger you.

Mike Croskery, M.Sc. HK (Biomechanics), Clinical Exercise Physiologist

About the Author: Mike Croskery, M.Sc. HK (Biomechanics), CSEP-CEP, HPS, CSCP

Mike Croskery is a Clinical Exercise Physiologist, High Performance Specialist™, and a Certified Strength and Conditioning Professional holding an M.Sc. in Human Kinetics (Biomechanics). With nearly 30 years of experience working with everyone from Olympic athletes to individuals managing chronic disease, Mike specializes in solving complex performance and health challenges through EMG analysis, force measurement, and motion capture. His approach blends rigorous academic research with decades of hands-on experience to help every individual move better and perform at their best.

References

  1. Baz-Valle, E., Fontes-Villalba, M., & Santos-Concejero, J. (2021). Total number of sets as a training volume quantification method for muscle hypertrophy: a systematic reviewThe Journal of Strength & Conditioning Research35(3), 870-878.
  2. Enes, A., Spiess, B., Oneda, G., Leonel, D. F., Bernardo, M. F., Macedo, A. C. G., ... & Souza-Junior, T. P. (2024). Effects of Different Weekly Set Volumes on Strength and Perceptual Responses in AthletesInternational Journal of Sports Medicine45(09), 690-697.
  3. Johnsen, E., & van den Tillaar, R. (2021). Effects of training frequency on muscular strength for trained men under volume matched conditionsPeerJ9, e10781.
  4. Lopes, T. R., Pereira, H. M., & Silva, B. M. (2022). Perceived exertion: Revisiting the history and updating the neurophysiology and the practical applicationsInternational Journal of Environmental Research and Public Health19(21), 14439.
  5. Lovegrove, S., Hughes, L. J., Mansfield, S. K., Read, P. J., Price, P., & Patterson, S. D. (2022). Repetitions in reserve is a reliable tool for prescribing resistance training loadThe Journal of Strength & Conditioning Research36(10), 2696-2700.
  6. Currier, B. S., D'Souza, A. C., Singh, M. A. F., Lowisz, C. V., Rawson, E. S., Schoenfeld, B. J., Smith-Ryan, E. S., Steen, J. P., Thomas, G. A., Triplett, N. T., Washington, T. A., Werner, T. J., & Phillips, S. M. (2026). American College of Sports Medicine position stand. Resistance training prescription for muscle function, hypertrophy, and physical performance in healthy adults: An overview of reviews. Medicine & Science in Sports & Exercise, 58(4), 851–872. https://doi.org/10.1249/MSS.0000000000003897

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