pulled muscles with over doing sporting

So its second time now since I have over done with all the activities as well my back muscles at one side of my back makeing my sholder and whole arm being painfull and everything . as being into all acupuncture thing. This is how to realax the bits and now what the same days evening it feels relaxed and can move about with no pain . I do sugest nt to overdo it like I have and take care in it all same witht the diets . And be ok 🙂