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Strength training: do I really need rest days?

43 replies

FlyingForest · 20/07/2025 07:16

Hi

I’ve just started strength training and my preferred YouTube videos are 20 mins long full body workouts. I’ve been doing these 6 times a week for the past week and I’d like to continue this way but I’ve read stuff about doing 45 mins 3 times a day. I don’t think I can do 2 videos a day to be honest as I’m pretty exhausted after 20 mins. So is it ok to do a little bit every day or are rest days really important?

OP posts:
ParmaVioletTea · 20/07/2025 11:26

FlyingForest · 20/07/2025 07:34

Goal is to develop muscle mass as I approach my 40s and improve my overall fitness. I need to start incorporating some walking as well but that’s really all I plan for now. I’m using 2.5kg weights at the moment so nothing heavy.

You'll need to lift a LOT heavier than that to develop muscle mass! And that development happens on your rest days.

I add to PPs recommendations of Dr Stacey Sims' podcasts & videos.

WarriorN · 20/07/2025 09:56

When I don’t follow that routine I’ve found I can go through long phases of fatigue. Following that routine, (as described by Sims for menopausal women) has been what’s helped.

RayKray · 20/07/2025 09:05

@WarriorNyeh I also thought the evidence was it did matter for peri/menopausal women but not for other groups. I always have a protein shake and banana after training for this reason.

WarriorN · 20/07/2025 08:45

Chocolatepavlova · 20/07/2025 07:48

I’m a PT. If you’re doing 20 mins a day, 6x per week and it’s working for you that’s absolutely fine. Please don’t cut that in half by a week- that’s awful advice!

Timing of food and protein has also been debunked thoroughly, you really don’t need to overthink it.

The human body is an amazing thing and will pretty much adapt to whatever you ask of it if you do so progressively.

has it? As when I have followed this advice I have progressed and don’t go through as many phases of fatigue. I’ve become noticeably stronger too. But it’s specifically for perimenopause that I’ve been following this advice. Sims is a sports scientist.

SoftLass · 20/07/2025 08:10

I think you'll find increasing will happen naturally as you find you build stamina and muscle so don't overthink it too much.
I've been building up exercise since the start of the year from nothing to now 5 or 6 days a week for the last 3 months and have progressed the length of workouts and the weights used just because the short/light ones get too easy.
I now do 2x hour long cardio sessions, 2x 45 minute weight sessions plus 2 x 30 minute at home weights videos. Just increase as and when you find your current routine is too easy

RayKray · 20/07/2025 08:07

Right now, I’d say whatever motivates you most. Personally I always get a kick out of increasing weights. Not everyone does.

I screenshotted this for something else the other day but it fits here. The bottom are your big wins right now. People get fixated on the little things at the top so you’ll hear a lot of noise on that. But the bottom is so much more important.

Strength training: do I really need rest days?
FlyingForest · 20/07/2025 08:01

Thanks. I’ve only been doing this for two weeks. First week I had some DOMs but I’m ok now.
Should I just work towards increasing the weights rather than increasing time/reducing frequency? I guess the alternative would be try some other YouTubers who do offer 40 mins standing dumbbell workouts.

OP posts:
RayKray · 20/07/2025 07:55

With full on strength training rest days are really important as that’s when you build muscle and get stronger. The exercise is the stimulus your body then responds to on the rest days. Your central nervous system also needs a break from the stress you’re putting on it. So that will be why you’re hearing about rest days.

However 20 min videos with 2.5kg weights aren’t that kind of stimulus so I’d say it matters less right now. I’d say if you’re enjoying it and being able to remain consistent and build a habit of training then they are massive wins so I’d stick with it. As you start to do more your body may then start telling you it needs more rest, so then might be the time to switch it up and think about rest days. FWIW I train hard, and have 2 rest days a week.

BogRollBOGOF · 20/07/2025 07:50

How do you feel from day to day? Do you feel recovered by each new workout?

Chocolatepavlova · 20/07/2025 07:48

I’m a PT. If you’re doing 20 mins a day, 6x per week and it’s working for you that’s absolutely fine. Please don’t cut that in half by a week- that’s awful advice!

Timing of food and protein has also been debunked thoroughly, you really don’t need to overthink it.

The human body is an amazing thing and will pretty much adapt to whatever you ask of it if you do so progressively.

WarriorN · 20/07/2025 07:42

Rest days and rests between lifts can apparently be very much part of the process and are important (apparently)

WarriorN · 20/07/2025 07:39

I signed up to power happens by Sims and Hailey Babcock; it has been bloody amazing. But I did do some other basic things for a year and had had her book for two years .

WarriorN · 20/07/2025 07:37

No I would start with 20 mins, three times a week.

timing of food around it is very helpful; some protein before and at least 30 G protein afterwards. I’ve also found creatine extremely helpful (I have a pea protein powder shake with creatine in it after a work out.)

you will soon find that you increase your fitness, especially if you add in a couple of days of SIT.

the latest Zoe podcast is really good, but Stacy sims sets out a more structured approach in her books.,

FlyingForest · 20/07/2025 07:34

Goal is to develop muscle mass as I approach my 40s and improve my overall fitness. I need to start incorporating some walking as well but that’s really all I plan for now. I’m using 2.5kg weights at the moment so nothing heavy.

OP posts:
FlyingForest · 20/07/2025 07:31

Eurgh that should say 45 mins 3 times a week not a day!

OP posts:
Slightlysimi · 20/07/2025 07:23

I’d say there’s a lot of variables to get an answer, but in short yes you should be having a rest day.

What are your goals from this type of training?
Are you planning to keep this as a long term plan, or just doing something for a fixed period to build up to an event,etc?

Do you already do any regular exercise?

3 workouts a day is a lot. why would you be doing more than one?

What sort of exercises are you doing?

AltitudeCheck · 20/07/2025 07:21

If it's a general conditioning routine with low weights than rest is not as important. If you are doing heavy weights/ working to fatigue/ wanting to build muscle then rest (and protein) matters a lot more.

Doing something that you can stick with, matters more than doing a strict regime.

Worriedmum67 · 20/07/2025 07:17

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