Hamstring Strain: References

van der Horst N, Wouter Smits D, Petersen J, Goedhart E, Backx F. The Preventive Effect Of The Nordic Hamstring Exercise On Hamstring Injuries In Amateur Soccer Players: A Randomized Controlled Trial. British Journal of Sports Medicine. 2014;48(7):609-610. doi:10.1136/bjsports-2014-093494.135.

Sherry M, Johnston T, Heiderscheit B. Rehabilitation of Acute Hamstring Strain Injuries. Clinics in Sports Medicine. 2015;34(2):263-284. doi:10.1016/j.csm.2014.12.009.

Brotzman S, Manske R, Daugherty K. Clinical Orthopaedic Rehabilitation: An Evidence-Based Approach. Philadelphia, PA: Mosby; 2011.

O'Connor F. ACSM's Sports Medicine: A Comprehensive Review. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins; 2012.