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Squat screen

Alexandra DeJong, L Colby Mangum, Jacob Resch, Susan A Saliba
CONTEXT: Medial knee displacement (MKD) is a common risk factor for lower extremity injury and is related to altered gluteal muscle activity. Ultrasound imaging (USI) is a reliable means to explore mechanical muscle activity, however no information exists regarding USI of the gluteals during gait in a MKD population. OBJECTIVE: To determine differences in USI gluteal muscle activity during gait in individuals with and without MKD. DESIGN: Descriptive laboratory study...
March 15, 2018: Journal of Sport Rehabilitation
Torstein E Dæhlin, Tron Krosshaug, Loren Z F Chiu
The purpose of this research was to investigate how lower extremity work was distributed during the pull of cleans performed lifting the barbell to the minimum height required to receive it in a full squat (minimal height clean); or with maximum effort to elevate the barbell as high as possible and receiving it in either a full (maximal effort clean) or partial (power clean) squat. Eight weightlifters screened for proficient technique performed these clean variations at 80% of one repetition maximum. Work performed on the barbell and by the lower extremity net joint moments (NJM) was computed from marker trajectories and ground reaction forces...
March 8, 2018: Journal of Sports Sciences
Benjamin F Mentiplay, Ksaniel Hasanki, Luke G Perraton, Yong-Hao Pua, Paula C Charlton, Ross A Clark
The Microsoft Xbox One Kinect™ (Kinect V2) contains a depth camera that can be used to manually identify anatomical landmark positions in three-dimensions independent of the standard skeletal tracking, and therefore has potential for low-cost, time-efficient three-dimensional movement analysis (3DMA). This study examined inter-session reliability and concurrent validity of the Kinect V2 for the assessment of coronal and sagittal plane kinematics for the trunk, hip and knee during single leg squats (SLS) and drop vertical jumps (DVJ)...
March 1, 2018: Journal of Sports Sciences
Hillary A Plummer, Gretchen D Oliver, Christopher M Powers, Lori A Michener
Background: Impaired trunk motion during pitching may be a risk factor for upper extremity injuries. Specifically, increased forces about the shoulder and elbow have been observed in pitchers with excessive contralateral trunk lean during pitching. Because of the difficulty in identifying abnormal trunk motions during a high-speed task such as pitching, a clinical screening test is needed to identify pitchers who have impaired trunk motion during pitching. Hypothesis/Purpose: The purpose of this study was to determine the relationship between the degree of lateral trunk lean during the single-leg squat and amount of trunk lean during pitching and if trunk lean during pitching can be predicted from lean during the single-leg squat...
February 2018: International Journal of Sports Physical Therapy
Thrmiga Sathiyamoorthy, Shabana Amanda Ali, Marita Kloseck
With the prevalence of osteoarthritis (OA) increasing internationally, there is a need to study the impact of this disease on culturally diverse populations. Individuals of Asian descent make up more than 60% of the world population, yet comprehensive information on the cultural factors that impact OA care is not available. Scoping review methodology using directed content analysis was employed to identify and analyze existing research on OA care for Asians. A categorization matrix was developed using the six care areas from the OA clinical practice guidelines along with an additional three non-clinical areas (cross-cultural adaptation of clinical tools; psychological well-being; family systems and informal care) identified in an initial scan resulting in a total of nine OA care areas to guide initial coding...
February 21, 2018: Journal of Community Health
Anu M Räisänen, Kati Pasanen, Tron Krosshaug, Tommi Vasankari, Pekka Kannus, Ari Heinonen, Urho M Kujala, Janne Avela, Jarmo Perttunen, Jari Parkkari
Background/aim: Poor frontal plane knee control can manifest as increased dynamic knee valgus during athletic tasks. The purpose of this study was to investigate the association between frontal plane knee control and the risk of acute lower extremity injuries. In addition, we wanted to study if the single-leg squat (SLS) test can be used as a screening tool to identify athletes with an increased injury risk. Methods: A total of 306 basketball and floorball players participated in the baseline SLS test and a 12-month injury registration follow-up...
2018: BMJ Open Sport & Exercise Medicine
Irineu Loturco, Lucas Adriano Pereira, Ronaldo Kobal, Cesar Cavinato Cal Abad, William Komatsu, Ronaldo Cunha, Gustavo Arliani, Benno Ejnisman, Alberto de Castro Pochini, Fábio Yuzo Nakamura, Moises Cohen
There are several methods used in sports science to identify asymmetries in athletes, given their purported relevance to injury prevention and performance optimization. We aimed to verify whether asymmetries provided by isokinetic assessments, jump tests, and tensiomyography (TMG) are associated with each other, and whether their respective functional indices are related to jumping ability. TMG parameters, unilateral and bilateral squat-jump (SJ) and countermovement-jump (CMJ) performances, and peak torque in knee-extension and flexion with angular velocities of 60o /s and 300o /s for twenty-four soccer players were retained for analyses...
February 2018: International Journal of Sports Medicine
Sofia Ryman Augustsson, Eva Ageberg
Background: The role of lower extremity (LE) muscle strength for predicting traumatic knee injury in youth athletes is largely unknown. Aims: The aim was to investigate the influence of LE muscle strength on traumatic knee injury in youth female and male athletes. Methods: 225 athletes (40% females) from sport senior high schools in Sweden were included in this case-control study. The athletes recorded any traumatic knee injury that had occurred during their high-school period in a web-based injury form...
2017: BMJ Open Sport & Exercise Medicine
Myles Murphy, Joanne Kemp, Anne Smith, Jonathon Charlesworth, Kathy Briffa
Background: Clinical testing to determine the presence of a cam morphology is becoming more common however the correlation between hip range of motion and the degree of cam morphology remains controversial in the literature. The prevalence of a cam morphology in athletes has been reported as higher than in the general population but the prevalence of cam morphology has not been reported in Australian Football (AF). Purpose: The purpose of this study was to determine the correlation between hip range of motion and hip alpha angle and report the proportion of players with a cam morphology in a sample of AF players...
December 2017: International Journal of Sports Physical Therapy
Mark D Thelen, Shane L Koppenhaver, Shanee E Allen, Michael U Bolduc, Riley K Quan, Anne E Sidwell
Military service members receive regular screenings for a variety of health conditions, but a field-expedient and military-specific screening tool that identifies an individual's risk for injury has not yet been identified. The purpose of this study is to describe the conduct of a novel musculoskeletal readiness screening tool (MRST) and evaluate the real-time interrater reliability of the MRST when scored by raters with differing levels of medical experience. MATERIALS/METHODS: This study included a convenience sample of 40 active duty military participants (30 male, 10 female, mean age 29...
October 2017: U.S. Army Medical Department Journal
Matthew T Jenkins, Robert Gustitus, Mike Iosia, Taz Kicklighter, Yuichi Sasaki
The Functional Movement Screen (FMS) is a series of seven exercises designed to assess athletes prior to competitive training to determine dysfunctional movement patterns. The exercises include the deep squat (DS), hurdle step (HS), inline lunge (IL), shoulder mobility (SM), active straight leg raise (ASL), pushup (PU), and rotary stability (RS), all of which comprise the composite score (FMS CS). The purpose of this study was to determine correlations between the FMS screens and hip mobility. The specific hip range-of-motion exercises used were bilateral internal/external rotation (IRR, IRL ERL, ERR), and flexion/extension (FL, FR, ER, EL)...
2017: International Journal of Exercise Science
Vanessa Bernardes Marques, Thales Menezes Medeiros, Felipe de Souza Stigger, Fábio Yuzo Nakamura, Bruno Manfredini Baroni
Background: The Functional Movement Screen (FMS™) is a widely used seven-test battery used by practitioners working in sport medicine. The FMS™ composite score (sum of seven tests) in soccer athletes from different competitive levels has been well explored in literature, but the specific movement deficits presented by young high competitive level players remains unclear. Purpose: The aim of the present study was to provide a detailed description of the performance of elite young soccer players (age 14-20 years) on the FMS™ testing battery...
November 2017: International Journal of Sports Physical Therapy
Engin Dinc, Bekir Eray Kilinc, Muge Bulat, Yunus Turgay Erten, Bülent Bayraktar
To increase movement capacity and to reduce injury risk in young soccer players by implementing a special functional exercise program based on functional movement screen (FMS) and correctives. 67 young male athletes 14-19 years of age from a Super League Football Club Academy participated in the study. Functional movement patterns were evaluated with FMS assessment protocol. Deep squat, hurdle step, inline lunge, shoulder mobility, active straight leg raise, trunk stability push-up, and rotatory stability were examined in FMS...
October 2017: Journal of Exercise Rehabilitation
Paul J Read, Pablo Jimenez, Jon L Oliver, Rhodri S Lloyd
Forty-one practitioners inclusive of physiotherapists, sports scientists and strength and conditioning coaches from the academies of elite soccer clubs in the United Kingdom completed an on-line questionnaire which examined their: (1) background information; (2) perceptions of injury occurrence and risk factors; (3) screening and return to play; and (4) approach to designing and delivering injury prevention programmes with a response rate of 55% (41/75). Contact injuries were the most common mechanism reported and players between 13-16 years of age were perceived to be at the greatest risk...
October 11, 2017: Journal of Sports Sciences
Joseph A Alemany, Timothy T Bushman, Tyson Grier, Morgan K Anderson, Michelle Canham-Chervak, William J North, Bruce H Jones
OBJECTIVES: The Functional Movement Screen (FMS™) has been used as a screening tool to determine musculoskeletal injury risk using composite scores based on movement quality and/or pain. However, no direct comparisons between movement quality and pain have been quantified. DESIGN: Retrospective injury data analysis. METHODS: Male Soldiers (n=2154, 25.0±1.3years; 26.2±.7kg/m(2)) completed the FMS (scored from 0 points (pain) to 3 points (no pain and perfect movement quality)) with injury data over the following six months...
August 23, 2017: Journal of Science and Medicine in Sport
Suzi Edwards, Mark Liberatore
CONTEXT: Movement screens are a common method of assessing movement efficiency either against a specific criterion of segments/joint(s) motion (segmental method), or a summary label of general quality of the whole movement (overall method). While not as commonly utilized within clinical practice as the segmental method, the overall method is less time consuming to perform and more reliable. OBJECTIVES: The aim of this study was to assess the reliability of the "overall" method approach during a squat in individuals with a previous knee joint injury...
September 5, 2017: Journal of Sport Rehabilitation
A Van der Post, J C A Noorduyn, V A B Scholtes, E L A R Mutsaerts
BACKGROUND: Clinical weightbearing provocation tests, like the duck walk test, may be of value in diagnosing or screening for medial meniscal tears. However, evidence of the diagnostic accuracy of the duck walk test is lacking. QUESTIONS/PURPOSES: (1) To determine the sensitivity and specificity of the duck walk test in diagnosing medial meniscal tears. (2) To determine whether tear location, tear cause (traumatic versus degenerative), and ACL insufficiency were associated with differences in the sensitivity and specificity of the test...
December 2017: Clinical Orthopaedics and related Research
Nicole D Harshbarger, Barton E Anderson, Kenneth C Lam
OBJECTIVE: To evaluate associations between the Functional Movement Screen (FMS), Star Excursion Balance Test (SEBT), and Balance Error Scoring System (BESS) scores. DESIGN: Correlational. SETTING: College athletic training facilities. PARTICIPANTS: Fifty-two intercollegiate athletes (men = 36 and women = 16) representing 8 sports and cleared for unrestricted sport participation. INTERVENTIONS: Participants completed the FMS, SEBT, and BESS, in random order, during 1 testing session...
July 21, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Bas Van Hooren, Frans Bosch, Kenneth Meijer
Van Hooren, B, Bosch, F, and Meijer, K. Can resistance training enhance the rapid force development in unloaded dynamic isoinertial multi-joint movements? A systematic review. J Strength Cond Res 31(8): 2324-2337, 2017-The objectives of this systematic review were to (a) evaluate whether resistance training can improve the rapid force development in unloaded dynamic isoinertial multi-joint movements and (b) investigate whether these effects differ between untrained/recreationally trained and well-trained individuals...
August 2017: Journal of Strength and Conditioning Research
Constantine P Nicolozakes, Daniel K Schneider, Ben Rower, James Borchers, Timothy E Hewett
CONTEXT: The Functional Movement Screen (FMS™) is used to identify movement asymmetries and deficiencies. While obesity has been reported to impede movement, the correlation between body mass index (BMI), body fat percentage (BF%), and FMS™ in athletes is unknown. OBJECTIVE: To determine if there is a relationship between BMI, BF%, and FMS™ scores in a sample of National Collegiate Athletic Association (NCAA) Division I football athletes. DESIGN: Cross-sectional study...
July 17, 2017: Journal of Sport Rehabilitation
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