This will decrease stress on all your muscles, including your hamstrings.Warm up and stretch before vigorous activity.RESOURCES:American Council on Exercisehttp://www.acefitness.orgFamily Doctor???American Academy of Family Physicians <a href="http://www.familydoctor.orgCANADIAN">http://www.familydoctor.orgCANADIAN</a> RESOURCES:Health Canadahttp://www.hc-sc.gc.caHealthy Uhttp://www.healthyalberta.comReferences: