Eli5: What causes runners cramps? 556 viewsMay 14, 2020 0 Question64.53K May 11, 2020 1 Comment Basically after running or skipping after eating or drinking too much I get a piercing side cramp, just wondering what its caused by! In: Biology toptierbiss commented May 11, 2020 When your body lacks oxygen, your body respires differently. Respiration with a lack of oxygen produces lactic acid. The lactic acid build up is what causes runners cramp. 0 Answers ActiveVotedNewestOldest Register or Login
When your body lacks oxygen, your body respires differently. Respiration with a lack of oxygen produces lactic acid. The lactic acid build up is what causes runners cramp.