Jack-knife stretching and active knee extension stretching equally improve the relative flexibility of the hamstring muscles between the low back: A randomized controlled trial - ScienceDirect

PDF) The Effectiveness of Hamstring Stretching with Proprioceptive Neuromuscular Facilitation versus Jack-Knife Stretching for Individuals with Hamstring Tightness

Jack-knife stretching promotes flexibility of tight hamstrings after 4 weeks: a pilot study

Full article: Physical therapist decision-making in managing plantar heel pain: cases from a pragmatic randomized clinical trial

Jack-knife stretching promotes flexibility of tight hamstrings after 4 weeks: a pilot study

THE STUDY EFFECT OF HAMSTRING MUSCLE ON CONTRACT RELAX-ANTAGONIST CONTRACT AND ACTIVE RELEASE TECHNIQUE IN LOW PHYSICAL ACTIVITY

PDF] Active stretching for lower extremity muscle tightness in pediatric patients with lumbar spondylolysis.

Full article: Physical therapist decision-making in managing plantar heel pain: cases from a pragmatic randomized clinical trial

PDF] Analysis of the Hamstring Muscle Activation During two Injury Prevention Exercises

The Disabled Throwing Shoulder: Spectrum of Pathology—10-Year Update - ScienceDirect

Adolescent Back Pain - Physiopedia

Rehabilitation of Hamstring Injuries

PDF) Immediate Effects of Single Session Post Isometric Relaxation Muscle Energy Technique Versus Mulligan's Bent Leg Raise Technique on Pain and Hamstring Flexibility in Knee Osteoarthritis Participants: A Randomised Controlled Study