Feeling the burn? It’s not lactic acid
Edinburgh (UK), Sep 28 (The Conversation) If you’ve ever pushed yourself through a hard workout, you’ve probably “felt the burn.” It’s that familiar sensation of pain and exhaustion in the muscles, where they almost feel like they’re on fire. This feeling has long been said to be caused by a build-up of lactic acid in the muscles. In fact, this remains a common explanation from recreational exercisers to elite athletes. But this belief is wrong – and lactic acid actually has nothing to do with the burn we feel when we exercise. The origins of the lactic acid myth go