If you want to see serious improvements in your fitness level, you have to push your body to the limit – then do it again. The processes that makes your muscles feel sore also strengthens them and being winded trains your body to better conserve oxygen. Though pushing your physical boundaries is healthly, pushing them too far can be dangerous and debilitating. The key is to know when you're overdoing it.
Dr. Christopher Kaeding, professor of orthopedics at Ohio State University and head team physician for the Buckeyes offers some insight.
Shortness of Breath
Being out of breath during exercise is standard but this common characteristic of working out can also indicate when you're overdoing it. "When you take a break or pause, your panting should slow down within 60 seconds," says Kaeding. In most cases, being unable to catch your breath means you pushed yourself too hard. If you're experiencing additional symptoms – worsening shortness of breath, swelling in your feet and ankles, high fever, cough, and chills, blue lips or fingertips, or wheezing – you may want to consult with your doctor as these could be signs of a heart attack or pulmonary embolism.
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