No crunches needed — tighten your core and build full-body strength in 30 minutes with Pilates and light dumbbells

Grab some light dumbbells and try this trainer's 30-minute Pilates workout to strengthen your core and build real strength.

The 8 Best Exercises for Upper Body Strength

For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper ...