There’s been an ongoing debate as to whether it’s better to do cardio before resistance training in the same workout session, or to do resistance training before cardio. This article will tell you everything you need to know (and nothing you don’t) about the effect of different sequences of concurrent training (i.e., resistance + cardio in the same workout) on cardiorespiratory and muscular adaptations, and also settle the debate as to which sequence is best to use for the goal of maximizing physique development.
CARDIO BEFORE RESISTANCE TRAINING
A study published in the British Journal of Sports Medicine found that although both orders of training produced significant improvements in VO2 max— which is the highest rate of oxygen consumption attainable during maximal or exhaustive exercise— the improvement was greater in the group that did the cardio training first, as opposed to the group that did resistance training first.
A study in the Journal of Strength and Conditioning Research found that the aerobic-first sequence was more effective in increasing excess post-exercise oxygen consumption (EPOC, informally called “the afterburn”), which is a measurably increased rate of oxygen intake following a bout of exercise that’s associated with an elevation in metabolism.
RESISTANCE TRAINING BEFORE CARDIO
A study published in the European Journal of Applied Physiology demonstrated that fat oxidation and calorie burning were increased during the aerobic exercise component when it was done after resistance exercise. This increased metabolic effect was even more pronounced when the resistance exercise that preceded it was performed at a higher intensity. This is important to note because several studies have shown that performing cardio first in the workout can compromise the performance of subsequent resistance training exercises due to residual fatigue, therefore reducing the tension developed during the strength training portion of the sessions, which interferes with the strength and muscle gains.5,6,7
Also, a study published in Medicine & Science in Sports & Exercise also found that the resistance exercise first sequence seems to increase the metabolic effects of the subsequent aerobic session.
CHOOSE YOUR GOAL
Put simply, since there are benefits and limitations to each training sequence, the “best” sequence is relative to the specific training goal, because different training goals require different training approaches, as summarized by a 2014 paper published in the ACSM’S Health & Fitness Journal:
“Performing aerobic exercise first may be a preferred choice for developing maximal aerobic power. On the other hand, resistance exercise first seems more favorable for developing strength, power, and muscle hypertrophy. Resistance exercise first also can yield some metabolic benefits, and the high-intensity nature of resistance exercise can potentiate energy expenditure and create a metabolic environment that favors fat utilization during a subsequent aerobic session.”
RESISTANCE BEFORE CARDIO TO BUILD YOUR BEST BODY
Both cardio before resistance training and resistance training before cardio offer metabolic (i.e., fat-burning) benefits. That said, when looking to build your best-looking body, you don’t just want a “lean” physique— you want a lean, strong and athletic-looking physique. In order to achieve the “strong and muscular” part, you’ve got to focus on maximizing the results of resistance training. The research clearly shows that resistance training before cardio (in the same workout session) is the way to go when looking to maximize strength and muscle, whereas doing cardio first is best reserved for those who are maybe training for an endurance event such as a marathon.
Another reason why it’s smartest to do resistance training first in the workout for the goal of maximizing physique development, is because muscle is metabolically active tissue, as fat is sent into the muscle to be burned. This is why strength training first, which gives you a better ability to build and maintain muscle, is critical for fat loss.
In other words, muscle is the physical location in your body where stored body fat is burned (i.e., used as energy). More muscle requires more energy, so the more muscle you have, the more calories and fat you’ll burn over a 24-hour period of time, even while you sleep!
Put simply, humans are just like cars. If you put a bigger motor in your car (i.e., add muscle mass), you’ll burn more fuel (i.e., calories) while driving (i.e., doing activities) than you did before. You want to be opposite of your car in that you want to become fuel inefficient, because the more fuel you can burn to perform a given activity, the better!
THE STRENGTH BEFORE CARDIO WORKOUT STRUCTURE
The strength-training portion of your workouts should alternate sets and rep ranges. By alternating set/rep schemes, it ensures you hit your muscles in a different manner, which has been shown in research to be a more effective method of improving muscle than using the same old rep every workout.10 Plus, changing the sets and reps keeps your workouts more interesting and varied.
Each time you do your resistance-training portion of the workout (before doing cardio), alternate each workout between the following set/rep schemes for each exercise:
Set/Rep Scheme 1: 2-3 sets of 12-15 reps
Set/Rep Scheme 2: 4-5 sets of 6-8 reps
THE CARDIO WORKOUT STRUCTURE
Not only should you alternate between the two set/rep ranges that I provided, you should also alternate between two different types of cardio workouts: short duration/high-intensity training, and longer duration/medium-intensity training, as follows:
Cardio Workout 1: 30-40 minutes at approximately 70% of your max HR
Cardio Workout 2: 10-15 minutes go as hard as you can,* or use intervals where you alternate intense bursts of work with medium-intensity active recovery periods.
*If you’re running on treadmill or on a bike, go as far as you can (rack up the most miles) in the time frame. Try to beat your previous time each workout.
PUTTING YOUR WORKOUTS TOGETHER
On the workout days where you use the higher set range (e.g., 4-5 sets of 6-8 reps), your weight training will take longer, so you’ll follow it by performing the short duration/high-intensity training (e.g., 10-15 minutes. Go as hard as you can or do intervals).
On the workout days you use the lower set range, your weight training will take less time, so you’ll follow it by performing the longer duration/steady-state training.
- Chtara M, Chamari K, Chaouachi M, Chaouachi A, Koubaa D, Feki Y, Millet GP, Amri M . Effects of intra-session concurrent endurance and strength training sequence on aerobic performance and capacity. Br J Sports Med. 2005; 39:(8): 555–60.
- Drummond MJ, Vehrs PR, Schaalje GB, Parcell AC . Aerobic and resistance exercise sequence affects excess postexercise oxygen consumption. J Strength Cond Res. 2005; 19:(2): 332–7.
- Kang J, Rashti SL, Tranchina CP, Ratamess NA, Faigenbaum AD, Hoffman JR . Effect of preceding resistance exercise on metabolism during subsequent aerobic session. Eur J Apple Physiol. 2009; 107:(1): 43–50.
- Goto K, Ishii N, Sugihara S, Yoshioka T, Takamatsu K . Effects of resistance exercise on lipolysis during subsequent submaximal exercise. Med Sci Sports Exerc. 2007; 39:(2): 308–15.
- Dudley GA, Djamil R . Incompatibility of endurance- and strength-training modes of exercise. J Appl Physiol. 1985; 59:(5): 1446–51.
- Kraemer WJ, Patton JF, Gordon SE, Harman EA, Deschenes MR, Reynolds K, Newton RU, Triplett NT, Dziados JE . Compatibility of high-intensity strength and endurance training on hormonal and skeletal muscle adaptations. J Appl Physiol. 1995; 78:(3): 976–89.
- Leveritt M, Abernethy PJ . Acute effects of high intensity endurance exercise on subsequent resistance activity. J Strength Cond Res. 1999; 13:(1): 47–51.
- Sporer BC, Wenger HA . Effects of aerobic exercise on strength performance following various periods of recovery. J Strength Cond Res. 2003; 17:(4): 638–44.
- Kang, Jie, Ratamess, Nicholas. Which Comes First? Resistance Before Aerobic Exercise or Vice Versa?. ACSM Health & Fitness Journal January/February 2014 Vol. 18 – Issue 1: p 9-14
- Simão R, et al. Comparison between nonlinear and linear periodized resistance training: hypertrophic and strength effects. J Strength Cond Res. 2012 May;26(5):1389-95.
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