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Athletic Injuries

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https://www.readbyqxmd.com/read/29781992/muscle-imbalances-testing-and-training-functional-eccentric-hamstring-strength-in-athletic-populations
#1
Petr Stastny, Michal Lehnert, James J Tufano
Many hamstring injuries that occur during physical activity occur while the muscles are lengthening, during eccentric hamstring muscle actions. Opposite of these eccentric hamstring actions are concentric quadriceps actions, where the larger and likely stronger quadriceps straighten the knee. Therefore, to stabilize the lower limbs during movement, the hamstrings must eccentrically combat against the strong knee-straightening torque of the quadriceps. As such, eccentric hamstring strength expressed relative to concentric quadricep strength is commonly referred to as the "functional ratio" as most movements in sports require simultaneous concentric knee extension and eccentric knee flexion...
May 1, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781935/balance-training-reduces-postural-sway-and-improves-sport-specific-performance-in-visually-impaired-cross-country-skiers
#2
Alexander Kurz, Benedikt Lauber, Steffen Franke, Christian Leukel
Kurz, A, Lauber, B, Franke, S, and Leukel, C. Balance training reduces postural sway and improves sport-specific performance in visually impaired cross-country skiers. J Strength Cond Res XX(X): 000-000, 2018-Balance training is highly effective in reducing sport injuries and causes improvements in postural stability and rapid force production. So far, the positive effects of balance training have been described for healthy athletes. In the present experiments, we questioned whether athletes with disabilities of the visual system can also benefit from balance training...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29781909/pain-management-in-athletes-with-impairment-a-narrative-review-of-management-strategies
#3
Lara Grobler, Wayne Derman, Cheri A Blauwet, Sean Chetty, Nick Webborn, Babette Pluim
OBJECTIVE: To review the literature related to different treatment strategies for the general population of individuals with amputation, spinal cord injury, and cerebral palsy, as well as how this may impact pain management in a correlated athlete population. DATA SOURCES: A comprehensive literature search was performed linking pain with terms related to different impairment types. MAIN RESULTS: There is a paucity in the literature relating to treatment of pain in athletes with impairment; however, it is possible that the treatment strategies used in the general population of individuals with impairment may be translated to the athlete population...
May 16, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29781908/musculoskeletal-injury-in-paddle-sport-athletes
#4
Andrew R Griffin, Diana M Perriman, Teresa M Neeman, Paul N Smith
INTRODUCTION: Kayak racing has been an Olympic sport since 1936. The sport is evolving with the introduction of ocean skis and stand-up-paddle boards (SUP). Musculoskeletal injury incidence surveys have been conducted for ultra-marathon events, but no data have been published for other racing formats. OBJECTIVE: To identify and compare the rates and types of injuries sustained by paddling athletes as a function of discipline and training parameters in Sprint, Marathon, Ultra-Marathon, and Ocean events...
May 16, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29781675/axial-sesamoiditis-in-the-horse-a-review
#5
Christelle Le Roux, Ann Carstens
Axial sesamoiditis or osteitis of the proximal sesamoid bones (PSBs) in the horse is described as a rare condition. The cause remains unknown and speculative, with vascular, infectious, and traumatic aetiologies implicated. It is specifically associated with injury of the palmar or plantar ligament (PL), also known as the intersesamoidean ligament. Imaging findings are generally rewarding and radiological changes are typical, if not pathognomonic, for the condition. Lesions consist of bone lysis at the apical to mid-body axial margins of the PSBs, with variable degrees of joint effusion...
March 29, 2018: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29780846/epidemiology-of-hip-and-groin-injuries-in-collegiate-athletes-in-the-united-states
#6
Yehuda E Kerbel, Christopher M Smith, John P Prodromo, Michael I Nzeogu, Mary K Mulcahey
Background: Hip and groin pain is a common complaint among athletes. Few studies have examined the epidemiology of hip and groin injuries in collegiate athletes across multiple sports. Purpose: To describe the rates, mechanisms, sex-based differences, and severity of hip/groin injuries across 25 collegiate sports. Study Design: Descriptive epidemiology study. Methods: Data from the 2009-2010 through 2013-2014 academic years were obtained from the National Collegiate Athletic Association Injury Surveillance Program (NCAA ISP)...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780844/outcomes-and-return-to-sport-after-ulnar-collateral-ligament-reconstruction-in-adolescent-baseball-players
#7
Michael Saper, Joseph Shung, Stephanie Pearce, Viviana Bompadre, James R Andrews
Background: The number of ulnar collateral ligament (UCL) reconstructions in adolescent athletes has increased over the past 2 decades. Clinical results in this population have not been well studied. Purpose/Hypothesis: The purpose of this study was to evaluate the outcomes and return to sport after UCL reconstruction in a large group of adolescent baseball players. We hypothesized that excellent clinical outcomes and high rates of return to sport would be observed in this population at a minimum 2-year follow-up...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780842/the-nfl-s-chop-block-rule-change-does-it-prevent-knee-injuries-in-defensive-players
#8
Hayden P Baker, Antonios Varelas, Kevin Shi, Michael A Terry, Vehniah K Tjong
Background: The chop block, a football maneuver in which an offensive player blocks an opponent around the thigh while another offensive player engages the same opponent above the waist, was declared illegal by the National Football League (NFL) before the 2016-2017 season. Chop blocks have been hypothesized to be associated with medial collateral ligament and anterior cruciate ligament injury, especially in offensive/defensive linemen. Purpose: To quantify the impact that the chop-block rule change had on the incidence of knee injuries to defensive players in the NFL over 4 seasons (2014-2018)...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780836/defining-platelet-rich-plasma-usage-by-team-physicians-in-elite-athletes
#9
David E Kantrowitz, Ajay S Padaki, Christopher S Ahmad, T Sean Lynch
Background: The indications for the use of platelet-rich plasma (PRP) are vaguely defined despite the frequency of its use as a treatment for athletes. While select studies have advocated for its efficacy, the majority of orthopaedic research conducted on the topic has been equivocal. Purpose: To define the use of PRP in elite athletes by team physicians from professional sports leagues. Study Design: Cross-sectional study. Methods: A survey assessing treatment timing, usage patterns, indications, and complications was generated by fellowship-trained sports medicine orthopaedic surgeons...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29778829/a-qualitative-investigation-of-the-attitudes-and-beliefs-about-physical-activity-and-post-traumatic-osteoarthritis-in-young-adults-3-10-years-after-an-intra-articular-knee-injury
#10
Allison M Ezzat, Mariana Brussoni, Jackie L Whittaker, Carolyn A Emery
OBJECTIVE: To understand the influence of the injury experience on current attitudes and beliefs about physical activity (PA) and the development of post-traumatic osteoarthritis (PTOA) in youth and young adults 3-10 years after a sport-related knee injury. DESIGN: Qualitative study. SETTING: University Sports Medical/Research Center. PARTICIPANTS: 20 young adults 3-10 years subsequent to intra-articular knee injury...
May 4, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29775802/nonoperative-management-of-a-severe-proximal-rectus-femoris-musculotendinous-injury-in-a-recreational-athlete-a-case-report
#11
Park Ck, Zlomislic V, Du J, Huang Bk, Chang Ey, Chang Dg
This report describes a severe injury to the proximal rectus femoris (RF) muscle in a 37-year-old recreational athlete. This injury is a relatively rare occurrence in both the general and elite athletic populations. Acute and long-term imaging and functional outcomes are described. This athlete was able to return to full activity without surgical intervention. Follow-up imaging demonstrated gross healing of both complete (or near complete) muscle and tendon tears.
May 15, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29775388/epidemiology-of-elbow-ulnar-collateral-ligament-injuries-among-baseball-players-national-collegiate-athletic-association-injury-surveillance-program-2009-2010-through-2013-2014
#12
Steven F DeFroda, Avi D Goodman, Joseph A Gil, Brett D Owens
BACKGROUND: Injuries to the ulnar collateral ligament (UCL) of the elbow are of major concern in baseball; however, the epidemiology of these injuries among National Collegiate Athletic Association (NCAA) athletes is poorly described. PURPOSE: To determine the incidence of UCL injuries in NCAA baseball and investigate the risk factors involved. STUDY DESIGN: Descriptive epidemiology study. METHODS: All UCL injuries for academic years 2009-2010 through 2013-2014 were extracted from the NCAA Injury Surveillance Program database...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775379/decision-to-return-to-sport-participation-after-anterior-cruciate-ligament-reconstruction-part-ii-self-reported-and-functional-performance-outcomes
#13
Jennifer L Werner, Julie P Burland, Carl G Mattacola, Jenny Toonstra, Robert A English, Jennifer S Howard
CONTEXT:   Anterior cruciate ligament (ACL) reconstruction (ACLR) is the most commonly used method for helping athletes regain function and return to preinjury activity levels after ACL injury. Outcomes after ACLR have suggested that athletes return to a level of function that would support a return to sport participation; however, in a recent meta-analysis, pooled return rates were only 55%. It is unclear whether this discrepancy is a result of functional impairments. OBJECTIVE:   To compare patient-reported outcomes (PROs), dynamic balance, dynamic functional performance, strength, and muscular endurance in athletes who have returned to sport (RTS) and athletes who have not returned to sport (NRTS) after ACLR...
May 18, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29774866/femoral-neck-stress-fracture-in-a-young-female-recruit-case-report
#14
Hélder Fonte, Ricardo Rodrigues-Pinto
INTRODUCTION: Femoral neck stress fractures are uncommon and depending on their location, can be at high risk for non-union and significant morbidity.  Their prevalence is higher among runners and military recruits, and women seem to be at higher risk. METHODS: A 27-year-old female, who was enrolled in military recruit, reported left side groin pain after a strenuous running exercise. Due to persistent pain an X-Ray was ordered, which revealed no signs of acute lesions...
2018: SICOT-J
https://www.readbyqxmd.com/read/29772412/tactile-cues-can-change-movement-an-example-using-tape-to-redistribute-flexion-from-the-lumbar-spine-to-the-hips-and-knees-during-lifting
#15
Brendan L Pinto, Shawn M Beaudette, Stephen H M Brown
Given the appropriate cues, kinematic factors associated with low back injury risk and pain, such as spine flexion, can be avoided. Recent research has demonstrated the potential for tactile sensory information to change movement. In this study an athletic strapping tape was applied bilaterally along the lumbar extensor muscles to provide continuous tactile feedback information during a repeated lifting and lowering task. The presence of the tape resulted in a statistically significant reduction in lumbar spine flexion when compared to a baseline condition in which no tape was present...
May 14, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29772188/hamstring-and-ankle-flexibility-deficits-are-weak-risk-factors-for-hamstring-injury-in-professional-soccer-players-a-prospective-cohort-study-of-438-players-including-78-injuries
#16
Nicol van Dyk, Abdulaziz Farooq, Roald Bahr, Erik Witvrouw
BACKGROUND: Hamstring injuries remain a significant injury burden in sports such as soccer that involve high-speed running. It has repeatedly been identified as the most common noncontact injury in elite male soccer, representing 12% of all injuries. As the incidence of hamstring injuries remains high, investigations are aimed at better understanding how to prevent hamstring injuries. Stretching to improve flexibility is commonly used in elite-level sports, but risk factor studies have reported contradicting results, leading to unclear conclusions regarding flexibility as a risk factor for hamstring injuries...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29771609/achilles-tendon-structure-differs-between-competitive-distance-runners-and-non-runners-despite-no-clinical-signs-or-symptoms-of-mid-substance-tendinopathy
#17
Todd J Hullfish, Kenton L Hagan, Ellen Casey, Josh R Baxter
Achilles tendinopathy affects many running athletes and often leads to chronic pain and functional deficits. While changes in tendon structure have been linked with tendinopathy, the effects of distance running on tendon structure is not well understood. Therefore, the purpose of this study was to characterize structural differences in the Achilles tendons in healthy young adults and competitive distance runners using quantitative ultrasound analyses. We hypothesized that competitive distance runners with no clinical signs or symptoms of tendinopathy would have quantitative signs of tendon damage, characterized by decreased collagen alignment and echogenicity, in addition to previous reports of thicker tendons...
May 17, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29771139/it-s-a-hard-knock-life-game-load-fatigue-and-injury-risk-in-the-national-basketball-association
#18
Melanie Lewis
CONTEXT:   National Basketball Association (NBA) athletes experience a high rate of injuries. Injury prevention requires identifying observable and controllable risk factors. OBJECTIVE:   To examine the relationship among game load, fatigue, and injuries in NBA athletes. DESIGN:   Cross-sectional study. SETTING:   Game statistics and injury reports over 3 NBA seasons (2012-2015). PATIENTS OR OTHER PARTICIPANTS:   Data represented 627 players (height = 200...
May 17, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29771138/rate-of-upper-extremity-injury-in-high-school-baseball-pitchers-who-played-catcher-as-a-secondary-position
#19
Elizabeth E Hibberd, Sakiko Oyama, Joseph B Myers
CONTEXT:   Many high school pitchers play another position after they have finished pitching for the day or on their rest days from pitching. Because of the cumulative demands on the arm, pitchers who also play catcher may have a greater risk of developing a throwing-related shoulder or elbow injury. OBJECTIVE:   To compare the rate of throwing-related upper extremity injuries between high school baseball pitchers who also played catcher as a secondary position and those who did not play catcher...
May 17, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29769831/improvement-of-functional-ankle-properties-following-supplementation-with-specific-collagen-peptides-in-athletes-with-chronic-ankle-instability
#20
Patrick Dressler, Dominic Gehring, Denise Zdzieblik, Steffen Oesser, Albert Gollhofer, Daniel König
Following an initial ankle sprain it is not unlikely that chronic ankle instability (CAI) will develop. CAI is associated with impaired perceived functional and mechanical properties of the ligaments. Nutritional supplementation with collagen peptides has been shown to improve the functional and mechanical properties of the connective tissue. The purpose of this study was to investigate the effectiveness of specific collagen peptide supplementation (SCP) to improve ankle stability in athletes with CAI. 50 male and female athletes with CAI completed a randomized, double-blinded and placebo-controlled study with a daily oral administration of either 5 g SCP or 5 g placebo (Maltodextrin) over a period of six months...
June 2018: Journal of Sports Science & Medicine
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