keyword
https://read.qxmd.com/read/37900877/practicing-outside-the-lines-using-acupuncture-in-the-athletic-training-room-and-on-the-field
#21
JOURNAL ARTICLE
Chi-Tsai Tang
Acupuncture can be used to treat athletes in an outpatient clinic setting, athletic training room, or even on a football field sideline. This article details 3 scenarios, in 3 illustrative cases, in which acupuncture was used for sports medicine in more unconventional settings. The author describes each case and shares his observations about them. First, acupuncture was used on a high-school football field sideline to help alleviate acute calf cramping in a player. Second, acupuncture was used in a division 2 college athletic training room to treat a player with subacute thoracic pain that was not improving with the usual treatments provided by the athletic trainers...
October 1, 2023: Medical Acupuncture
https://read.qxmd.com/read/37900870/use-of-acupuncture-myofascial-release-techniques-and-kinesiology-taping-to-reduce-estimated-healing-time-in-a-grade-3-hamstring-strain-a-case-study
#22
Melissa L Feigel
BACKGROUND: Musculoskeletal injuries can be debilitatingly painful, with long recovery times and activity-limiting prognoses. While numerous studies and case reports illustrating the benefits of acupuncture in treating various musculoskeletal conditions are available, more studies specific to acute injury are needed. CASE: A 45-year-old male presents ∼48 hours post a severe injury to his R hamstring while walking in his neighborhood. He has a history of musculoskeletal disorders, which may be due to an undiagnosed hypothyroid condition...
October 1, 2023: Medical Acupuncture
https://read.qxmd.com/read/37867757/hamstring-muscle-fibre-typology-is-not-associated-with-hamstring-strain-injury-history-or-performance-in-amateur-male-soccer-players-a-retrospective-magnetic-resonance-spectroscopy-study
#23
JOURNAL ARTICLE
Joke Schuermans, Erik Witvrouw, Evi Wezenbeek, Eline Lievens
Hamstring strain injuries (HSI) are still the most common injuries in soccer. Recent research has been focusing on the role of hamstring muscle morphology and architecture. The hamstring's fibre type composition might play a role as well, but this has never been investigated in the light of HSI risk in an athletic population. The purpose of this study was to investigate the association between hamstring muscle fibre type, hamstring strain injury history (HSIH), performance and isokinetic strength in a population of amateur male soccer players...
October 2023: Biology of Sport
https://read.qxmd.com/read/37800746/ischiofemoral-impingement-due-to-an-undiagnosed-pelvic-avulsion-fracture
#24
JOURNAL ARTICLE
Alec T Warren, Abubakar Ahmed, Altamash E Raja
Ischial tuberosity (IT) avulsion fractures are an uncommon cause of injuries in athletes. In this case, a 26-year-old female suffering from posterior right hip pain for over a decade presented with debility and a decrease in athletic function. Notable history included a hamstring strain while sprinting in elementary school. Clinical examination suggested hamstring tendinopathy and ischiofemoral impingement (IFI). Magnetic resonance imaging (MRI) revealed a chronic, fragmented, IT apophyseal avulsion fracture with ischial bursitis and edema within the fragmented bone, suggesting the development of heterotopic ossification (HO)...
October 1, 2023: Current Sports Medicine Reports
https://read.qxmd.com/read/37728629/mri-radiomics-for-hamstring-strain-injury-identification-and-return-to-sport-classification-a-pilot-study
#25
JOURNAL ARTICLE
Maribel Torres-Velázquez, Christa M Wille, Samuel A Hurley, Richard Kijowski, Bryan C Heiderscheit, Alan B McMillan
OBJECTIVE: To determine if MRI-based radiomics from hamstring muscles are related to injury and if the features could be used to perform a time to return to sport (RTS) classification. We hypothesize that radiomics from hamstring muscles, especially T2-weighted and diffusion tensor imaging-based features, are related to injury and can be used for RTS classification. SUBJECTS AND METHODS: MRI data from 32 athletes at the University of Wisconsin-Madison that sustained a hamstring strain injury were collected...
September 20, 2023: Skeletal Radiology
https://read.qxmd.com/read/37725240/exploring-the-role-of-sprint-biomechanics-in-hamstring-strain-injuries-a-current-opinion-on-existing-concepts-and-evidence
#26
JOURNAL ARTICLE
Christopher Bramah, Jurdan Mendiguchia, Thomas Dos'Santos, Jean-Benoȋt Morin
Hamstring strain injuries are one of the most common injuries in sprint-based sports with the mechanism of injury considered the result of an interaction between applied mechanical strain and the capacity of the muscle to tolerate strain. To date, injury prevention and rehabilitation strategies have frequently focused on enhancing the capacity of the hamstrings to tolerate strain, with little consideration of factors directly influencing mechanical strain. Sprint running biomechanics are one factor proposed to influence the mechanical strain applied to the hamstrings that may be modified (towards reduced strain) within rehabilitation and injury prevention programs...
September 19, 2023: Sports Medicine
https://read.qxmd.com/read/37707490/hamstring-strain-injury-risk-factors-in-australian-football-change-over-the-course-of-the-season
#27
JOURNAL ARTICLE
Aylwin Sim, Ryan G Timmins, Joshua D Ruddy, Haifeng Shen, Kewen Liao, Nirav Maniar, Jack T Hickey, Morgan D Williams, David A Opar
BACKGROUND/AIM: To determine which factors were most predictive of hamstring strain injury (HSI) during different stages of the competition in professional Australian Football. METHODS: Across two competitive seasons, eccentric knee flexor strength and biceps femoris long head (BFlh) architecture of 311 Australian Football players (455 player seasons) were assessed at the start and end of pre-season and in the middle of the competitive season. Details of any prospective HSIs were collated by medical staff of participating teams...
September 13, 2023: Medicine and Science in Sports and Exercise
https://read.qxmd.com/read/37670769/the-effects-of-high-velocity-hamstring-muscle-training-on-injury-prevention-in-football-players
#28
JOURNAL ARTICLE
Sigitas Kamandulis, Joan Aureli Cadefau, Audrius Snieckus, Mantas Mickevicius, Inga Lukonaitiene, Pornpimol Muanjai, Danguole Satkunskiene, Victor Molina, Xavier de Blas Foix, Daniele Conte
Background: Explosive and fast body movements, sprints, jumps and quick changes of direction, which are characteristic of the football training, place considerable strain on the hamstring muscles. Due to the high occurrence of hamstring injuries, new preventive strategies are required that focus on high-velocity training. The purpose was to assess the effectiveness of high-velocity elastic-band training in reducing the occurrence of hamstring injuries in football players. Methods: Male football players from 15 teams (n = 319) playing in national competitions participated in this study...
2023: Frontiers in Physiology
https://read.qxmd.com/read/37668346/quantifying-demands-on-the-hamstrings-during-high-speed-running-a-systematic-review-and-meta-analysis
#29
REVIEW
Timothy McNally, Suzi Edwards, Mark Halaki, Nicholas O'Dwyer, Tania Pizzari, Sarah Blyton
INTRODUCTION: Hamstring strain injury (HSI) remains a performance, economic, and player availability burden in sport. High-speed running (HSR) is cited as a common mechanism for HSI. While evidence exists regarding the high physical demands on the hamstring muscles in HSR, meta-analytical synthesis of related activation and kinetic variables is lacking. METHODS: A systematic search of Medline, Embase, Scopus, CINAHL, SportDiscus, and Cochrane library databases was conducted in accordance with the PRISMA 2020 guidelines...
September 5, 2023: Scandinavian Journal of Medicine & Science in Sports
https://read.qxmd.com/read/37655822/hamstring-strain-ultrasound-case-series-semitendinosus-injuries-dominant-in-ncaa-division-i-athletes
#30
JOURNAL ARTICLE
Brandon V Hassid, Alexandra E Warrick, Jeremiah W Ray
Previous studies of acute hamstring strains have reported injury to the biceps femoris and semitendinosus in 50-100% and 0-30% of cases, respectively. This retrospective case series of hamstring injuries in Division I collegiate athletes exhibits an injury pattern on ultrasound imaging that differs from what would be expected based on prior literature. We examined ultrasound images of 38 athletes with acute hamstring strains for injury location (proximal muscle, proximal myotendinous junction, mid-portion of muscle, distal muscle) and affected muscles (biceps femoris, semitendinosus, or semimembranosus)...
September 1, 2023: Journal of Athletic Training
https://read.qxmd.com/read/37647238/hamstring-strain-injury-prevention-current-beliefs-and-practices-of-practitioners-working-in-major-league-baseball
#31
JOURNAL ARTICLE
Stephanie L Lazarczuk, Jonathon Headrick, Jack T Hickey, Ryan G Timmins, Furey A Leva, Matthew N Bourne
CONTEXT: Hamstring strain injuries (HSIs) are the most frequently sustained injury in Major League Baseball (MLB). However, the beliefs and practices of MLB practitioners regarding HSI risk factors and prevention strategies in baseball athletes, have not been documented. OBJECTIVE: To document the current beliefs and practices of MLB practitioners in relation to HSI prevention. DESIGN: cross-sectional study. SETTING: Major League Baseball via an online survey...
August 30, 2023: Journal of Athletic Training
https://read.qxmd.com/read/37616534/synergistic-dominance-induced-by-hip-extension-exercise-alters-biomechanics-and-muscular-activity-during-sprinting-and-suggests-a-potential-link-to-hamstring-strain
#32
JOURNAL ARTICLE
Junta Iguchi, Tatsuya Hojo, Yoshihiko Fujisawa, Kenji Kuzuhara, Ko Yanase, Tetsuya Hirono, Yumiko Koyama, Hiroshige Tateuchi, Noriaki Ichihashi
Iguchi, J, Hojo, T, Fujisawa, Y, Kuzuhara, K, Yanase, K, Hirono, T, Koyama, Y, Tateuchi, H, and Ichihashi, N. Synergistic dominance induced by hip extension exercise alters biomechanics and muscular activity during sprinting and suggests a potential link to hamstring strain. J Strength Cond Res 37(9): 1770-1776, 2023-Hamstring strain is likely to occur during the late swing phase or the first half of the stance phase in sprinting. During the late swing phase, the hamstrings and gluteus maximus (Gmax) contract eccentrically to decelerate the lower limb...
September 1, 2023: Journal of Strength and Conditioning Research
https://read.qxmd.com/read/37608507/aerobic-high-intensity-intervals-improve-v%C3%AC-o-2max-more-than-supramaximal-sprint-intervals-in-females-similar-to-males
#33
JOURNAL ARTICLE
Jan Helgerud, Håkon Hov, Håkon Mehus, Bård Balto, Anders Boye, Lars Finsås, Jan Hoff, Eivind Wang
INTRODUCTION: Maximal oxygen uptake (V̇O2max ) is a pivotal factor for aerobic endurance performance. Recently, aerobic high-intensity interval training (HIIT) was documented to be superior to sprint interval training (SIT) in improving V̇O2max in well-trained males. However, as mounting evidence suggests that physiological responses to training are sex-dependent, examining the effects of HIIT versus SIT on V̇O2max , anaerobic capacity, and endurance performance in females is warranted...
August 22, 2023: Scandinavian Journal of Medicine & Science in Sports
https://read.qxmd.com/read/37578668/intramuscular-tendon-injuries-of-the-hamstring-muscles-a-more-severe-variant-a-narrative-review
#34
REVIEW
Fearghal Kerin, Stuart O'Flanagan, Joe Coyle, Garreth Farrell, Darragh Curley, Ulrik McCarthy Persson, Giuseppe De Vito, Eamonn Delahunt
Hamstring strain injuries (HSI) are one of the most common sport-related injuries. They have a high injury burden and a high recurrence rate. The development of novel muscle injury grading systems has provided new insights into the possible impact of injury location on the time to return to play (TTRTP) and re-injury following HSI. In particular, injuries to the intramuscular tendon (IMT) may be present in up to 41% of all HSI and have been described as a 'serious thigh muscle strain'. Re-injury rates as high as 60% have been described in elite track and field athletes, as well as prolonged TTRTP...
August 14, 2023: Sports Medicine—Open
https://read.qxmd.com/read/37567580/the-effect-of-the-nordic-hamstring-exercise-on-muscle-activity-a-multichannel-electromyography-randomized-controlled-trial
#35
JOURNAL ARTICLE
Jozef J M Suskens, Huub Maas, Jaap H van Dieën, Gino M M J Kerkhoffs, Edwin A Goedhart, Johannes L Tol, Gustaaf Reurink
The aim of this study was to evaluate the effect of a Nordic hamstring exercise intervention on biceps femoris long head, semitendinosus, and semimembranosus muscle's activity and relative contributions through multichannel electromyography. Twenty-four injury-free male basketball players (mean age 20 [3] y) were randomly assigned to a 12-week intervention (n = 13) or control group (n = 11). The primary outcome measures were normalized muscle activity (percentage of maximal voluntary isometric contraction, %MVIC) and relative contribution of hamstring muscles over 12 weeks...
August 11, 2023: Journal of Applied Biomechanics
https://read.qxmd.com/read/37529529/characterization-of-ankle-injuries-and-associated-risk-factors-in-the-national-basketball-association-minutes-per-game-and-usage-rate-associated-with-time-loss
#36
JOURNAL ARTICLE
Sailesh V Tummala, Landon Morikawa, Joseph C Brinkman, Tom J Crijns, Neeraj Vij, Vikram Gill, Todd A Kile, Karan Patel, Anikar Chhabra
BACKGROUND: Ankle injuries are more common in the National Basketball Association (NBA) compared with other professional sports. PURPOSE/HYPOTHESIS: The purpose of this study was to report the incidence and associated risk factors of ankle injuries in NBA athletes. It was hypothesized that factors associated with an increased physiologic burden, such as minutes per game (MPG), usage rate, and associated lower extremity injury, would be associated with increased ankle injury risk and time loss...
July 2023: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/37505617/speed-matters-in-nordic-hamstring-exercise-higher-peak-knee-flexor-force-during-fast-stretch-shortening-variant-compared-to-standard-slow-eccentric-execution-in-elite-athletes
#37
JOURNAL ARTICLE
Jesper Augustsson, Tobias Alt, Håkan Andersson
Hamstring strain injuries are prevalent in many sports. Research has demonstrated that the Nordic hamstring exercise (NHE), a knee-dominant exercise addressing the posterior chain muscles, can aid in reducing the risk of hamstring injuries in athletes. However, most research on hamstring injury prevention has focused on performing the eccentric version of the NHE (NHEECC ). In contrast, in sports, it is quite frequent for athletes to use an eccentric-concentric version of the NHE. Additionally, eccentric NHE is typically performed using a slow, controlled tempo...
July 7, 2023: Sports
https://read.qxmd.com/read/37495222/rugby-players-exhibit-stiffer-biceps-femoris-lower-biceps-femoris-fascicle-length-to-knee-extensors-and-knee-flexors-to-extensors-muscle-volume-ratios-than-active-controls
#38
JOURNAL ARTICLE
Gokhan Yagiz, Nami Shida, Hironobu Kuruma, Masahiro Furuta, Koji Morimoto, Mutsuo Yamada, Tatsuji Uchiyama, Hans-Peter Kubis, Julian A Owen
PURPOSE: This study aimed to determine if hamstring-strain-injury risk factors related to muscle structure and morphology differed between rugby union players and controls. METHODS: The biceps femoris long head (BFlh) fascicle length and passive muscle stiffness and relative and absolute muscle volume of knee flexors (KF) and extensors (KE) were measured in 21 male subelite rugby players and 21 male physically active nonathletes. RESULTS: BFlh fascicle length was significantly longer (mean difference [MD] = 1...
July 26, 2023: International Journal of Sports Physiology and Performance
https://read.qxmd.com/read/37477227/intermuscular-differences-in-force-generation-ability-among-biarticular-hamstring-muscles-during-the-late-swing-phase-in-maximal-speed-sprinting
#39
JOURNAL ARTICLE
Terumitsu Miyazaki, Norihisa Fujii
We aimed to investigate how intermuscular muscle-tendon architectural differences among biarticular hamstring muscles (biceps femoris long head [BFlh], semimembranosus [SM] and semitendinosus [ST]) influence intermuscular differences in muscle force during the late swing phase in maximal speed sprinting. Using a musculoskeletal model, we estimated the muscle-tendon kinematics, muscle force,and force generation ability, defined by force-length-velocity properties and pennation angle, of the biarticular hamstring muscles in 40 male athletes during the late swing phase...
July 21, 2023: Sports Biomechanics
https://read.qxmd.com/read/37458569/hamstring-activation-deficits-in-different-jumping-directions-in-athletes-with-a-history-of-hamstring-strain-injuries-a-cross-sectional-laboratory-study
#40
JOURNAL ARTICLE
Amornthep Jankaew, Yih-Kuen Jan, Ing-Shiou Hwang, Li-Chieh Kuo, Cheng-Feng Lin
This study aimed to investigate the hamstring onset time and recruitment level during jumping tasks in athletes with chronic hamstring strain injuries. Thirteen hamstring injured athletes and thirteen matched healthy athletes were recruited. Activation onset time and muscle recruitment (median frequency of the EMG) of the lateral hamstring (LH) and medial hamstring (MH) was measured during double leg jumps in vertical and horizontal directions on the force platforms. The peak vertical ground reaction force and loading rate were obtained for all jumps...
July 17, 2023: Sports Biomechanics
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