Sports Medicine Research (SMR): In the Lab & In the Field

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The mission of SMR is to objectively summarize and describe the clinical relevance of research articles related to basic science, translational research, and clinical research that may be relevant to students and professionals interested in sports medicine. Furthermore, SMR aims to provide a forum for clinicians, researchers, and students in sports medicine-related fields to discuss the clinical relevance of new research.

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  • October 27, 2011
  • 01:03 AM

Are nerve cells involved in the pathogenesis of frozen shoulder?

by Stephen Thomas in Sports Medicine Research (SMR): In the Lab & In the Field

Idiopathic frozen shoulder (adhesive capsulitis) is a mysterious and misunderstood injury. It is characterized by decreases in both active and passive shoulder range of motion in addition to severe pain without any known origin. Recent research has found increased protein expression of growth factors and inflammatory mediators as well as increased nerve cells in the joint capsule. However these studies lacked a control group. Therefore, Xu et al. examined the protein expression of nerve cell........ Read more »

  • October 26, 2011
  • 01:26 AM

Long Term Outcome Following Mild Traumatic Brain Injury

by Kyle Harris in Sports Medicine Research (SMR): In the Lab & In the Field

Mild traumatic brain injury (MTBI) is a common neurologic injury and is commonly seen in athletics which involve contact. Evidence does exist that some residual symptoms (headaches, forgetfulness, etc.) can still persist long term. Therefore, Foutrassi and colleagues attempted to characterize post-concussion symptoms in a cohort of Moroccan patients with MTBIs to assess the relationship between chronic post-concussion symptoms (PCS) and aspects of the patient’s social and professional liv........ Read more »

Fourtassi M, Hajjioui A, Ouahabi AE, Benmassaoud H, Hajjaj-Hassouni N, & Khamlichi AE. (2011) Long term outcome following mild traumatic brain injury in Moroccan patients. Clinical Neurology and Neurosurgery, 113(9), 716-20. PMID: 21840643  

  • October 25, 2011
  • 01:30 AM

Are We Assessing and Managing Concussions Properly?

by Jane McDevitt in Sports Medicine Research (SMR): In the Lab & In the Field

There are several different concussion assessment tools (e.g., SCAT2, BESS, Headminder) to evaluate an athlete, however, little research is done on what medical professionals use to assess concussions. The purpose of this study was to describe the medical providers and medical studies used when assessing sport-related concussions, as well as, to determine the effects of medical provider type on timing of return to play, frequency of imaging, and frequency of neuropsychological testing.... Read more »

Meehan Iii WP, d'Hemecourt P, Collins CL, & Comstock RD. (2011) Assessment and Management of Sport-Related Concussions in United States High Schools. The American Journal of Sports Medicine. PMID: 21969181  

  • October 24, 2011
  • 01:01 AM

The Relationship Between Lumbopelvic Muscles and Thigh Muscle Strains

by Dustin Grooms in Sports Medicine Research (SMR): In the Lab & In the Field

The transition from offseason to preseason training for many sports carries a substantial risk of thigh muscle strain injury (quadriceps, hamstrings, and adductors). Due to the contribution of the lumbopelvic region (core stability) to lower extremity function it is thought that the size and asymmetry of lumbopelvic stabilizers may play a role in these injuries. To assess this theory, Hides et al assessed the relationships between thigh muscle strain and lumbopelvic muscle (i.e., psoas major, q........ Read more »

  • October 20, 2011
  • 01:03 AM

Lack of Awareness of Fluid Needs Among Participants at a Midwest Marathon

by Jeffrey B. Driban in Sports Medicine Research (SMR): In the Lab & In the Field

Participation in marathons has increased from 25,000 runners in 1976 to 425,000 runners in 2008. This growth in popularity has attracted runners with various levels of experience, fitness, and knowledge about potential complications of marathon running. Brown et al. examined the experience of the typical marathon participant in the 2007 Chicago Marathon regarding the potential complications of running a marathon and hydration status.... Read more »

Brown S, Chiampas G, Jaworski C, & Passe D. (2011) Lack of Awareness of Fluid Needs Among Participants at a Midwest Marathon. Sports Health: A Multidisciplinary Approach, 3(5), 451-454. info:/

  • October 19, 2011
  • 01:08 AM

Patellofemoral & Tibiofemoral Joints may be Compromised After Partial Medial Meniscectomies

by Nicole Cattano in Sports Medicine Research (SMR): In the Lab & In the Field

Partial meniscectomy is commonly performed in symptomatic knees. It is a minimally invasive surgery that requires a relatively short recovery time, resulting in less missed activity. Meniscectomy is a recognized risk factor for the development of tibiofemoral osteoarthritis (OA). However, it remains unclear whether risk of patellofemoral OA is elevated as well. The purpose of this cross-sectional study was to evaluate the patellofemoral and tibiofemoral cartilage using magnetic resonance (MR........ Read more »

  • October 18, 2011
  • 01:01 AM

Knee Injuries and Knee Osteoarthritis: A Meta-analysis

by Jeffrey B. Driban in Sports Medicine Research (SMR): In the Lab & In the Field

It has been suggested for years that knee injuries are a risk factor for developing knee osteoarthritis (OA). Unfortunately, most studies are inconsistent in how previous knee injuries are defined (e.g., type of injury, severity of injury) and this has made it challenging to accurately determine the true risk of developing knee OA after sustaining an injury. Therefore, Muthuri et al performed a meta-analysis of 24 observational studies to quantify the association between knee OA and history of k........ Read more »

Muthuri SG, McWilliams DF, Doherty M, & Zhang W. (2011) History of knee injuries and knee osteoarthritis: a meta-analysis of observational studies. Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society, 19(11), 1286-93. PMID: 21884811  

  • October 5, 2011
  • 01:03 AM

Clinical Rotation Tests for Evaluating ACL Insufficiency

by Nicole Cattano in Sports Medicine Research (SMR): In the Lab & In the Field

Evaluations of anterior cruciate ligament (ACL) tears include a battery of clinical tests, including Lachman’s, anterior drawer, and pivot shift test. The pivot shift test is often cited as being able to assess the integrity of the ACL due to its ability to test both the anterior translation and rotational stability of the knee, as well as its ability to reproduce the common symptoms of “giving way.” However, it is difficult to objectively measure the results of this test. T........ Read more »

Hoshino Y, Kuroda R, Nagamune K, Araki D, Kubo S, Yamaguchi M, & Kurosaka M. (2011) Optimal measurement of clinical rotational test for evaluating anterior cruciate ligament insufficiency. Knee Surgery, Sports Traumatology, Arthroscopy. PMID: 21850429  

  • October 5, 2011
  • 01:03 AM

Assessing Concussions with Functional MR Imaging

by Jane McDevitt in Sports Medicine Research (SMR): In the Lab & In the Field

There are a number of symptoms that are associated with a mild traumatic brain injury (mTBI); however, neuropsychological testing and conventional neuroimaging techniques (e.g., standard magnetic resonance [MR] imaging, computed tomography [CT] scans) are not sensitive enough to detect subtle changes. There have been advances in the neuroimaging field that allow a more sensitive and specific detection of mTBI using functional magnetic resonance imaging (fMRI). This study used resting-state fMRI ........ Read more »

  • September 30, 2011
  • 01:01 AM

Low Range of Ankle Dorsiflexion Predisposes Basketball Players to Patellar Tendinopathy

by Jeffrey B. Driban in Sports Medicine Research (SMR): In the Lab & In the Field

A recent study demonstrated that athletes with patellar tendinopathy had less ankle dorsiflexion but it was unclear if limited dorsiflexion causes patellar tendinopathy or if it was a consequence of the patellar tendinopathy. To determine if limited ankle dorsiflexion contributed to the onset of patellar tendinopathy, Backman et al conducted a 1-year prospective study to examine if reduced ankle dorsiflexion range of motion increases the risk of developing patellar tendinopathy among 75 Swedish ........ Read more »

  • September 29, 2011
  • 01:30 AM

What is the Role of the Long Head of the Bicep Tendon?

by Stephen Thomas in Sports Medicine Research (SMR): In the Lab & In the Field

Su et al used 10 cadaver shoulders to examine the amount of humeral head displacement following varying degrees of anterosuperior (i.e., supraspintatus subscapularis) and posterior/superior (i.e., supraspintus infraspinatus) rotator cuff tears when loaded in a posterosuperior direction. ... Read more »

Su WR, Budoff JE, & Luo ZP. (2011) Posterosuperior Displacement Due to Rotator Cuff Tears. Arthroscopy : the journal of arthroscopic . PMID: 21908156  

  • September 28, 2011
  • 01:20 AM

Lace-up Ankle Braces on Injury Rates in High School Football Players

by Jeffrey B. Driban in Sports Medicine Research (SMR): In the Lab & In the Field

Ankle injuries are common in high school sports and it has been estimated that 24% of all ankle injuries among high school athletes are sustained by football players. Lace-up braces are commonly used with the goal of preventing ankle injuries. Unfortunately, there is limited data about the efficacy of lace-up braces among adolescent football players. Therefore, McGuine et al assessed whether using a lace-up ankle brace reduced the number and severity of acute first-time and recurrent ankle injur........ Read more »

  • September 27, 2011
  • 01:01 PM

Congratulations Dr. Guskiewicz & Reliability of Self-Reported Concussion History

by Jeffrey B. Driban in Sports Medicine Research (SMR): In the Lab & In the Field

This past week the new MacArthur fellowships, popularly referred to as the “genius grants” were announced and among the recipients was Kevin Guskiewicz. Dr. Guskiewicz has “made major advances in the diagnosis, treatment, and prevention of sports-related concussions.” Unlike many funding opportunities this award is unique in that you must be anonymously nominated, show exceptional merit and promise in your work, and the award money can be used in any way to advance the in........ Read more »

  • September 26, 2011
  • 01:23 PM

Efficacy of Treatment of Trochanteric Bursitis: A Systematic Review

by Hallie Labrador, Marc Harwood in Sports Medicine Research (SMR): In the Lab & In the Field

Efficacy of Treatment of Trochanteric Bursitis: A Systematic Review

Lustenberger DP, Ng VY, Thomas M. Best TM, Ellis TJ. Clin J Sport Med. 2011 Sept; Vol 21(5), 447-453.

Trochanteric bursitis presents as lateral hip pain and can be a very frustrating condition to treat. To date, there have been no systematic reviews of the literature comparing the various treatment modalities used. In this systematic review, the authors attempt to evaluate the e........ Read more »

Lustenberger DP, Ng VY, Best TM, & Ellis TJ. (2011) Efficacy of treatment of trochanteric bursitis: a systematic review. Clinical journal of sport medicine, 21(5), 447-53. PMID: 21814140  

  • September 23, 2011
  • 08:58 AM

Static vs Dynamic Stretching: Which is better for performance?

by Mark Rice in Sports Medicine Research (SMR): In the Lab & In the Field

The acute effects of a warm-up including static or dynamic stretching on countermovement jump height, reaction time, and flexibility

Perrier ET, Pavol MJ, Hoffman MA. J Strength Cond Res. 2011 Jul;25(7):1925-31. ... Read more »

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