Question

Reason of cramp among cricketers due to lack of oxygen

Answer 1

It's due to accumulation of lactic acid produced in the muscle during strenuous physical works

Answer 2

due to partial breakdown of glucose  the glucose will change into Lactic acid or ethanol   in the presence of ethyl and lactic acid dehydrogenase . This process is called fermentation  .

Lactic acid forms in our muscle cells cause cramps because when we run we use much energy  our muscle cells have lack of oxygen and fermentation will occurs