Can leg extensions and leg curl machines cause knee pain? Can it also cause delayed knee pain (about 4 to 5 days later)? - Quora
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Which Is Better: Seated Or Lying Hamstring Curls? And How To Do Leg Curls Without Machines At Home - YouTube
![Use this move properly to strengthen the oft-neglected hamstrings and help you avoid debilitating injuries Use this move properly to strengthen the oft-neglected hamstrings and help you avoid debilitating injuries](https://hips.hearstapps.com/vidthumb/brightcove/57893ffee694aa370d883373/thumb_1468612631.png)
Use this move properly to strengthen the oft-neglected hamstrings and help you avoid debilitating injuries
![Use this move properly to strengthen the oft-neglected hamstrings and help you avoid debilitating injuries Use this move properly to strengthen the oft-neglected hamstrings and help you avoid debilitating injuries](https://hips.hearstapps.com/ame-prod-menshealth-assets.s3.amazonaws.com/main/thumbs/28542/300-hamstring-curl-lying-uSRbsV-23012012.jpg)