Runners Connect: High Hamstring Tendinopathy Injuries, http://runnersconnect.net/running-injury-prevention/high-hamstring-tendinopathy-injuries-a-pain-in-the-butt/
BoneSmart: Running After Knee Replacement, http://bonesmart.org/forum/threads/running-after-knee-replacement.7061/
Scottsdale Joint Center: Total Knee Replacement Precautions: What Activities are OK?, http://www.scottsdalejointcenter.com/Patient-Education/Total-Knee-Replacement-Precautions-and-Activities.aspx
Arthritis Foundation: Knee Replacements Not Harmed by Most Sports, http://www.arthritistoday.org/news/knee-arthroplasty-replacement-sports047.php
Online Orthopaedics: Dos and Don’ts Following total Knee Replacement, http://www.orthopodsurgeon.com/dodont.pdf