How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

If you're just like , oh , I'm kind of like a little bit stiff here , but once you get warmed up , you , you start feeling OK , you're probably OK to proceed there . So that is , is uh a very easy way to just think about soreness . You're gonna be a little bit tight depending on your training frequency .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

We use , you can get a lot of these from blood so you can look at things like creatine kinase . That's the very common one marker of muscle damage . Um We'll actually look at um L DH we'll look at myo globulin .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

Uh , and I don't necessarily mean muscle damage , I mean , injury , right . So , um , the kind of rule of thumb we use is like three out of 10 in terms of soreness , if you're more than three out of 10 , in terms of soreness , um , we're gonna start asking questions if you're higher than six out of 10 , we're probably not training total subjective measure , right ? And you'll , you'll know very quickly , right ?

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

So um those are actually some markers that we like a lot . If muscle damage is uh the thing we're concerned with , if we are more concerned with things like total training volume , systemic overload , then we may turn to something more like sleep . There's a lot of information we can actually get glain from changes in sleep , um behavior and function .

How to Know If You Need a Rest Day | Dr. Andy Galpin & Dr. Andrew Huberman

So if we are actually suspecting that this is a chronic problem , um we're gonna actually go enemy and pull some blood . Um If it's just like , I'm super sore today , we're gonna use that subjective marker . But if we're seeing this as constant , like , man , are we really pushing you way too much ?