Can leg extensions irritate someone's knees? Absolutely. But so can squats, lunges, running, jumping, stairs and plenty of other activities. The fact that an exercise can produce discomfort in some circumstances doesn't automatically make the exercise dangerous. Sometimes the exercise needs to be modified. Sometimes the load needs to be reduced. Sometimes the volume needs to come down. And sometimes that particular exercise simply isn't the right choice for that person at tha

Movement is the song of the body, and every joint must learn to dance Hey there, Coach JB here! Are you ready to dive into the essentials...