There is a lot of discourse surrounding cardio, weight training, and rest days. No two people will give you the same answer, and there is a lot of debate to be had. So should you be doing cardio on your rest days or not?
How important is a rest day in working out?
Firstly, the question of whether you should do cardio on rest days very much implies that you primarily train using weights, because if you were running or cycling as your primary training principle, you wouldn't consider doing even more cardio on your rest days. So let's assume you train 4 times a week lifting weights, which leaves 3 potential rest days a week. You may feel like not doing anything at all for 3 days a week will mean that you won't make as much as progress as if you were more active, but rest is just as important as hitting the gym! When you are lifting weights, you are actually tearing your muscles. It is only when you eat, sleep, and recover that your muscles are repairing and growing back bigger and stronger than before. Therefore, taking a rest day is very important in working out. If you continue to train when you are feeling very sore and achy, you could potentially injure yourself and do more damage than good.
How much should you rest between workouts?
This differs from person to person. If you have only recently started training or have started a new regime, your body will need longer to recover as it becomes accustomed to the stress and strain. The longer you have been doing a particular sport, the less rest you will need as muscle memory starts to kick in; it's important to mix up your training so that you continue to see results. As a general rule, you should not train a muscle group that is already aching. If your legs are sore, you could still do an upper body workout for example but it would not be wise to go for a long cycle or do a spin class. Listen to your body as that is always the most important thing.
So as for doing cardio on your rest days. That depends on your individual goals. If you primarily want to build muscle, you do not need to do cardio on your rest days. However, if you want to strip fat and keep your cardiovascular fitness up, it is recommended you do a light cardio session like a run or swim between weight sessions. You should always have at least one day a week where you do absolutely nothing though so that your body has a chance to keep up and fully recover.
Read more: Rest Day Cardio Workout
Overtraining is something that most athletes are likely to encounter at some point in their life. It can be tough to spot, but it's important to address. We investigate the causes, the signs, and how to solve it.
Causes of Overtraining
Overtraining is exactly what it says on the tin: when you over-train your body so that it can't recover properly. If you are training particularly hard for an event and limiting your calorie intake to try and get lean or lose weight, there is a high risk of developing the symptoms of overtraining. It takes quite a lot to get to this point, so it is more common in long-distance runners who are running hundreds of miles a week or bodybuilders who are lifting weights every day while trying to drop body fat than your average gym-goer. If you are overtraining you will be deficient in many of the vital vitamins and minerals the body needs to function properly and you will notice the signs but perhaps not realise they are due to overtraining as these symptoms can also be caused by many other factors.
Signs of Overtraining
Persistent muscle soreness
If you are feeling sore and achy for longer periods than normal this could be due to overtraining. Your muscles need time to recover properly and with the right nutrition.
Elevated resting heart rate
Keeping an eye on your resting heart rate is a great way to check that you're not overtraining. If your resting heart rate is elevated for more than 3 days, you could be overtraining. Most smart watches and fitness trackers will track your heart rate all day so it is easier than ever to keep it in check.
Increased susceptibility to infections
Overtraining will cause your immune system to become weaker so you will notice that you'll be suffering from colds more often and other low-level immune conditions. If you feel like you are always getting ill, it could be a sign of overtraining.
In the same way, you could also notice that you're suffering from injuries more often than usual as well. They could be little things like pulling a muscle or developing cramp every time you train, but these are all signs of overtraining.
Insomnia, or lack of sleep, is something that can be caused by a number of health issues. However, if you are also developing the other symptoms of overtraining, this one will be easy to spot.
Take a break
This is the most obvious solution but it's also the most important. It can be hard to allow yourself enough rest days, especially when training for an event, but it's so important to listen to your body and allow it to recover properly when you are training hard. Don't train muscles when they are already aching and don't push through injuries.
Reduce the volume
If you usually do 5 sets of an exercise, drop it to 2 or 3. If you usually lift 80% of your max, reduce it to 50-60% until you are feeling better. Reduce your mileage if you are a runner or triathlete. Ease yourself back into training full pelt when you are ready.
Increase calorie intake
If you are trying to lose weight or strip body fat, it may be tempting to restrict your calorie intake too much. However, a restrictive diet will mean you lose out on vital vitamins and minerals and this will lead to the symptoms of overtraining.
Listen to your body!There is nothing more important than being healthy and well. No race or competition should come before your health. Listen to your body and take it easy, you will see better results if you work together with your body rather than against it.
If you lift weights often and have a goal of building muscle, it may be useful to do cardio on your rest days. Follow our rest day cardio workout for an effective cardio workout that won’t affect your bodybuilding results.
Can I do cardio on rest days?
The short and simple answer to this is yes, you can do cardio on rest days. It is a commonly held belief that if you do cardio, you will ‘kill your gains’, meaning you will break down the muscle you have worked so hard to build. However, if you are smart with your training this won’t happen.
If your primary goal is to build a lot of muscle and you don’t mind being bulky, you do not need to do cardio on your rest days. However, if you want to stay as lean as possible, you may well need to incorporate rest day cardio workouts into your weekly routine. If you think you might be at risk of over-training, it is important to take a complete rest day so that your body can recover properly.
Should I do cardio on rest day?
The question of ‘should’ I do cardio on rest days is quite different, and this depends entirely on your goals. If you are a keen bodybuilder or powerlifter, cardio may be a scary concept to you. You don’t want to break down any of your precious muscle and you just want to lift as much as possible. However, if you find you are getting out of breath walking up the stairs, your cardiovascular system could be suffering, and it’s important to stay as healthy as possible, no matter what competition you have coming up.
In this instance, you probably should be doing at least a 30-minute LISS cardio session on your rest days from lifting. You can keep your heart rate fairly low, therefore minimising the amount of muscle you will break down, and it could help you stay healthier.
Rest Day Cardio Workout
Follow this cardio workout to achieve optimum results and to supplement your lifting schedule.
As with all training sessions, it’s important to warm up properly, even if it is only a low intensity workout.
Holding a wall or bar for support, swing your left leg in front and behind you 10 times, then repeat on the right leg.
Next, swing each leg from side to side 10 times. This will help to warm up your hips and groin, areas that can easily get injured if they’re tight.
Next, perform 10 calf raises to warm up your ankles and 10 torso twists to warm up your core. You’re ready to go!
On a treadmill, start by walking for 10 minutes at a 1% gradient at 5km/h.
Next, increase the gradient to 5% and increase your walking speed to 6km/h for 10 minutes.
Next, decrease the speed back to 5km/h and increase the gradient to the treadmill’s max, this is usually 15% on a standard treadmill. Walk like this for 5 minutes.
Finally, decrease the gradient back to 1% and increase the speed to 6km/h and walk it off for a final 5 minutes.
You have now completed a good 30-minute cardio session which was low impact and yet would still have worked your cardiovascular system well.