Question

why we get body pains by exercising at the first ?​

Answer 1

Here you go

Sore muscles after physical activity, known as delayed onset muscle soreness (DOMS), can occur when you start a new exercise programme, change your exercise routine, or increase the duration or intensity of your regular workout.

Hope it helps

Maya

Answer 2

Answer:

cause all the energy is used and lactic acid is formed. this shows less of glucose and causes muscle cramps