One of the most important muscle groups for any trainee — athlete, weekend warrior, or newbie — is the glutes. (health.com)
The descriptions and illustrations were clear and concise and I was able to focus on learning the most important muscles groups for each exercise. (larahudsonpilates.com)
The time your baby spends on his or her tummy provides opportunities for development of important muscle groups needed for motor skills. (safesleepky.com)