The muscles on the front of your torso, also called your core muscles, can affect your ability to maintain good posture. A strong core helps you stand straighter and keeps your trunk stabilized during your workout — or even as you go about your daily activities.
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In the video below, watch as physical therapist and sports certified specialist Matthew Hixon, PT, SCS, CSCS, demonstrates the supine alternating leg lift, an effective ab workout that can improve your abdominal strength and posture.