Premier Fitness is a full-service commercial fitness organization that specializes in the conceptualization, design, installation, and long term care and management of fitness amenities.

One study found that your body's ability to perform peaks in the afternoon. Your body temperature increases throughout the day, optimizing your muscle function and strength, enzyme activity, and endurance for performance. Between 2 p.m. and 6 p.m., your body temperature is at its highest.

When you've been up and moving all day, your body may be better prepared to handle a sweat or strength-training session, physicians say. Plus, you have more fuel in your system from meals and snacks throughout the day to fuel your energy level and keep you going.

What is the largest gym company in the US? Planet Fitness holds the title for the largest gym company in the U.S. by the number of locations and memberships.