The best way to avoid common problems like runner’s knee is to strengthen the muscles that support this important joint.

For many runners, knee pain is an unwelcome but common companion. Yet when that pain becomes a little too persistent, a dull ...

Step forward with right foot while keeping left foot in place. Bend both knees 90 degrees. Front right knee should track over toes (don’t let it fall too far forward or toward the inside of the toes); ...

Bend both knees to 90 degrees to lower down in the lunge. Press through your front heel to return to standing. If the reverse ...