“Passive range of motion” and “active range of motion” are two terms commonly used in fitness and rehabilitation circles. While they both involve improving a joint’s range of motion, the actual method ...

Mallory Creveling is a health and fitness writer and ACE-certified personal trainer. Her work appears across several national publications, including SELF, Prevention, Runners World, and Men's Journal ...

Range of motion (or movement) is a term you may have heard frequently used on the gym floor. It's one of the key variables to optimise your lifts, muscle growth and also (while not quite as exciting), ...

My doctor and personal trainer tell me to avoid the leg extension exercises because they are bad for my knees. I saw your KGW segment where you demonstrated the leg extension exercise with an older ...

1 Masters of Sports Injuries and Corrective Exercises at University of Tehran, Iran 2 Associated Professor of Sports Injuries and corrective Exercises at University of Tehran, Iran 3 Professor of ...