Sports Medicine Research: In the Lab & In the Field (Sports Med Res)
Wednesday, January 18, 2017

Alterations in Leg Stiffness Following A Concussion May Lead to Changes in Return-to-Play Protocol

Lower Extremity Stiffness Changes after Concussion in Collegiate Football Players

Dubose DF., Herman DC., Jones DL., Tillman SM., Clugston JR., Pass A., Hernandez JA., Vasilopoulos T., Horodyski M., Chielewski TL. Medicine & Science in Sport & Exercise. 2016; 49(1):167-172.

Take Home Message: An athlete with a recent concussion has altered lower extremity stiffness at the leg, hip, and knee, which could increase their risk for musculoskeletal injury.

Even when an athlete meets concussion return-to-play criteria they may be at an increased risk for musculoskeletal injury. This may be due to unresolved neuromuscular impairments, which can affect lower extremity stiffness. However, few researchers have looked at the effect of concussion on lower extremity stiffness. Therefore, the authors compared pre- to post-season changes in stiffness during a jump-landing task in a cohort of 39 Division I football athletes (13 with a history of concussion and 26 matched [age, position, season] controls with no history of concussions]).
Wednesday, January 11, 2017

A Call for High Quality Evidence Linking Movement Screenings to Injury Risk

Predicting sport and occupational lower extremity injury risk through movement quality screening: A systematic review

Whittaker JL, Booysen N, de la Motte S, Dennet L, Lewis CL, Wilson D, McKay C, Warner M, Padua D, Emery CA, Stokes M. Br J Sports Med. December 2016; [Epub ahead of print]

Take Home Message: There is limited evidence that poor movement quality is associated with a greater risk of lower extremity injury in athletic and military/first-responder populations.

Prevention strategies to reduce short- and long-term effects of lower extremity musculoskeletal (MSK) conditions must include purposeful selection of risk factors and evaluation of interventions to ensure effectiveness. While movement quality screenings offer several advantages (e.g., mass administration, cost-effectiveness, adaptability) it is unclear whether poor movement quality is associated with greater risk of lower extremity injury.
Wednesday, January 4, 2017

Debating Early Viscosupplementation

No Effects of Early Viscosupplementation After Arthroscopic Partial Meniscectomy

Filardo G, Di Matteo B, Francesco T, Cavicchioli A, Di Martino A, Lo Presti M, Iacono F, Kon E, & Marcacci M. Am J Sports Med. 2016; 44:3119-3125. doi: 10.1177/0363546516660070

Take Home Message: Viscosupplementation at the time of partial meniscectomy failed to provide better outcomes than surgery alone. 

Some clinicians believe that viscosupplementation injections may be best for patients with early-stage osteoarthritis – before many structural changes occur.  An ideal time to intervene may be after a knee injury when the injection could alter biochemical conditions after an injury or surgery, which may result in a better recovery.  Therefore, the authors of this randomized clinical trial investigated the effects of viscosupplementation on pain and function in patients after a partial meniscectomy for a degenerative meniscus tear.
Monday, January 2, 2017

How Much Do You Know About How Sunscreen Affects Thermoregulation?

Sunscreen Use and Sweat Production in Men and Women

Aburto-Corona J., Araǵon-Vargas L. Journal of Athletic Training. 2016;(51):696-700

Take Home Message: Athletes need to use sunscreen when exercising outdoors; however, they need to be selective and ensure the sunscreen is not impeding effective sweating.

Sunscreen is imperative for athletes to be protected from solar radiation during physical activity, particularly in hot environments. Several researchers investigated clothing to protect from solar radiation without compromising sweat production and evaporation, but there is minimal research examining the effects of sunscreen. Though the use of sunscreen is advocated, there has been no research on sunscreen’s influence on sweat production and evaporation. Therefore, the authors measured the effects of 2 water-resistant sunscreen products on local sweat production among 20 athletes (10 males, 10 females) following 20 minutes of cycling (78-80% maximum heart rate) in the heat (30o C; 58% relative humidity).
Friday, December 30, 2016

The Importance of Positive Mental Outlook when Returning to Activity Following Hip Arthroscopy

A Qualitative Assessment of Return to Sport After Hip Arthroscopy for Femoroacetabular Impingement

Tjong VK, Cogan CJ, Riederman BD, & Terry MA.  Orthop J Sports Med.  2016 Nov 17;4(11):2325967116671940

Take Home Message:  An optimistic outlook, positive coping strategies, and strong external social support are common characteristics found in individuals who returned to sport after hip arthroscopy for femoroacetabular impingement. 

Return to sport outcomes for femoro acetabular impingement (FAI) is relatively under researched as compared to that of anterior cruciate ligament reconstruction or shoulder instability.  To better understand the factors that influence a patient’s decision to return to sport after surgery for FAI, the authors conducted a qualitative study with 23 patients (18 and 60 years old) who underwent hip surgery for FAI.
Wednesday, December 28, 2016

Ocular Injuries May Not Be the Most Common, But Are They Easily Preventable?

Epidemiology of sports-related eye injuries in the United States

Haring RS, Sheffield ID, Canner JK, and Schneider EB. JAMA Opthamology. 2016. 134 (12).

Take Home Message: Sport-related ocular injuries are most commonly open wounds to the eye or surrounding visual structures. Advocating for, or implementing rule changes to require protective eyewear could greatly mitigate this risk.

Ocular injuries can have long-term impact on an athlete’s ability to see and overall quality of life. By understanding the cause and prevalence of ocular injuries, clinicians can develop equipment and operating procedures to lessen the risk of injury. Therefore, Haring and colleagues completed a retrospective study to assess the incidence of ocular injuries in the United States as a result of participation in sports and identify any associated risk factors.