To run your best, you need strength in the muscles of your arms, core, legs, and glutes so you can propel yourself forward. If any of these areas are weak, another part of your body will likely have to compensate, leading to muscle imbalances.

Muscle imbalances can rob you of speed and power—or worse, lead to injury, explained Anil Nandkumar, D.P.T., physical therapist at HSS. 

Unfortunately for runners, many common signs of muscle imbalances go unnoticed until you end up sidelined. This is why it’s important to know how to spot and address them, so they don’t get in the way of you reaching your full running potential. Here’s what to look for and how to address your weak spots.

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