Michael Maina, PhD, an associate professor of health and human performance at Roanoke College, in Virginia, recommends exercises to strengthen the minor muscle groups often overlooked in our fitness routines. We typically focus on the major muscles groups like the glutes and abs. Yet, the smaller muscles play just as important a role in keeping us injury free and feeling energetic, particularly for those of us over 40.

Having undergone physical therapy for a few injuries to my shoulder, hip and neck muscles, I can attest to how flexibility and strength training of these minor muscles can improve my ability to perform even simple daily tasks that we often take for granted.

Five little-known muscles that can tone your body, boost your energy, and keep you off the disabled list