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https://www.readbyqxmd.com/read/27908459/three-single-leg-standing-tests-for-clinical-assessment-of-chronic-plantar-heel-pain-syndrome-static-stance-half-squat-and-heel-rise
#1
B Saban, Y Masharawi
OBJECTIVE: To assess reliability and validity of three single leg standing clinical tests in patients with plantar heel pain syndrome (PHPS). DESIGN: Cross-sectional reliability study. PARTICIPANTS: Forty patients diagnosed with PHPS. MAIN OUTCOME MEASURES: Patients stood on their affected foot in a static stance for up to 30seconds, a half squat for up to 10 repetitions, and a heel rise for up to 10 repetitions. The first sensation of pain (p1) determined the termination of each test, and established a positive test result...
June 29, 2016: Physiotherapy
https://www.readbyqxmd.com/read/27895518/single-leg-squats-can-predict-leg-alignment-in-dancers-performing-ballet-movements-in-turnout
#2
Luke S Hopper, Nahoko Sato, Andries L Weidemann
The physical assessments used in dance injury surveillance programs are often adapted from the sports and exercise domain. Bespoke physical assessments may be required for dance, particularly when ballet movements involve "turning out" or external rotation of the legs beyond that typically used in sports. This study evaluated the ability of the traditional single-leg squat to predict the leg alignment of dancers performing ballet movements with turnout. Three-dimensional kinematic data of dancers performing the single-leg squat and five ballet movements were recorded and analyzed...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27871019/comparison-of-lower-limb-and-trunk-kinematics-between-markerless-and-marker-based-motion-capture-systems
#3
Margaret A Perrott, Tania Pizzari, Jill Cook, Jodie A McClelland
: Three dimensional (3-D) motion capture systems are used by researchers and clinicians to analyze the kinematics of human movement. Traditional marker based systems are time consuming and limit the size of studies. Markerless 3-D systems are quicker to use but the differences between data captured in each system is unclear. AIM: To examine the relationship of kinematic data captured by marker based and markerless motion capture systems. METHODS: Movement was assessed in two tests: a simple knee flexion test and single leg squat with a marker based protocol (Vicon) and a markerless protocol (Organic Motion)...
October 31, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27820725/training-strategies-to-improve-muscle-power-is-olympic-style-weightlifting-relevant
#4
Christian Helland, Eirik Hole, Erik Iversen, Monica Charlotte Olsson, Olivier Seynnes, Paul Andre Solberg, Gøran Paulsen
INTRODUCTION: This efficacy study investigated the effects of (1) Olympic-style weightlifting (OWL), (2) motorized strength and power training (MSPT), and (3) free weight strength and power training (FSPT) on muscle power. METHODS: Thirty-nine young athletes (20±3 yr.; ice hockey, volleyball and badminton) were randomized into the three training groups. All groups participated in 2-3 sessions/week for 8 weeks. The MSPT and FSPT groups trained using squats (two legs and single leg) with high force and high power, while the OWL group trained using clean and snatch exercises...
November 3, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27814851/does-leg-predomination-affect-the-measurement-of-vasti-muscle-activity-during-single-leg-squatting-a-reliability-study
#5
Javid Mostamand, Dan L Bader, Zoë Hudson
INTRODUCTION: Although measuring vasti muscle activity may reveal whether pain relief is associated with altering this parameter during functional activities in subjects with patellofemoral pain syndrome (PFPS), it may be necessary to determine whether the inherent properties of the dominant leg influences the reliability of measuring VMO/VL amplitude. The aim of the present study was to examine the effect of leg predomination on reliability testing of the VMO/VL amplitude measurement during single leg squatting in healthy subjects...
October 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27803635/discriminating-talent-identified-junior-australian-footballers-using-a-fundamental-gross-athletic-movement-assessment
#6
Carl T Woods, Harry G Banyard, Ian McKeown, Job Fransen, Sam Robertson
Talent identification (TID) is a pertinent component of the sports sciences, affording practitioners the opportunity to target developmental interventions to a select few; optimising financial investments. However, TID is multi-componential, requiring the recognition of immediate and prospective performance. The measurement of athletic movement skill may afford practitioners insight into the latter component given its augmented relationship with functional sport specific qualities. It is currently unknown whether athletic movement skill is a discriminant quality in junior Australian football (AF)...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27799721/effect-of-the-single-leg-lateral-oblique-decline-squat-exercise-on-sacroiliac-joint-pain-with-knee-pain
#7
Won-Gyu Yoo
[Purpose] This study investigated the effect of the single-leg, lateral oblique, decline squat exercise on sacroiliac joint pain with knee pain. [Subjects and Methods] A 39-year-old female had severe pain in the right medial buttock and right anterior knee. This study assessed the anterior pelvic tilt angle and pain provocation tests before and after single-leg, lateral oblique, decline squat exercise for 4 weeks. [Results] Following the course of exercise, the anterior pelvic tilt angles were increased, and the visual analog scale pain scores for both the right buttock and right knee were 2/10...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27782290/technology-in-rehabilitation-evaluating-the-single-leg-squat-exercise-with-wearable-inertial-measurement-units
#8
Darragh F Whelan, Martin A O'Reilly, Tomás E Ward, Eamonn Delahunt, Brian Caulfield
BACKGROUND: The single leg squat (SLS) is a common lower limb rehabilitation exercise. It is also frequently used as an evaluative exercise to screen for an increased risk of lower limb injury. To date athlete / patient SLS technique has been assessed using expensive laboratory equipment or subjective clinical judgement; both of which are not without shortcomings. Inertial measurement units (IMUs) may offer a low cost solution for the objective evaluation of athlete / patient SLS technique...
October 26, 2016: Methods of Information in Medicine
https://www.readbyqxmd.com/read/27759677/effect-of-surgery-on-gait-and-sensory-motor-performance-in-patients-with-cervical-spondylotic-myelopathy
#9
Kingsley O Abode-Iyamah, Stephanus V Viljoen, Colleen L McHenry, Michael A Petrie, Kirsten E Stoner, Nader S Dahdaleh, Nicole M Grosland, Matthew A Howard, Richard K Shields
BACKGROUND: Cervical spondylotic myelopathy (CSM) is a common disease of aging that leads to gait instability resulting from loss of leg sensory and motor functions. The results of surgical intervention have been studied using a variety of methods, but no test has been reported that objectively measures integrative leg motor sensory functions in CSM patients. OBJECTIVE: To determine the feasibility of using a novel single leg squat (SLS) test to measure integrative motor sensory functions in patients with CSM before and after surgery...
November 2016: Neurosurgery
https://www.readbyqxmd.com/read/27714907/the-use-and-modification-of-injury-prevention-exercises-by-professional-youth-soccer-teams
#10
J O'Brien, W Young, C F Finch
The efficacy of injury prevention exercise programs (IPEPs) for amateur youth soccer has been established, but little is known about their adaptability to other soccer populations. This study aimed to assess the use of individual injury prevention exercises by professional youth soccer teams, against the industry-standard, FIFA 11+ program. Four teams' chosen IPEPs were observed across one season and documented on a standardized form. The use of each FIFA 11+ exercise was coded as "performed", "performed modified" or "not performed"...
October 7, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27626471/evaluation-of-static-and-dynamic-balance-in-athletes-with-anterior-cruciate-ligament-injury-a-controlled-study
#11
Tiago Lazzaretti Fernandes, Ellen Cristina Rodrigues Felix, Felipe Bessa, Natália Ms Luna, Dai Sugimoto, Júlia Maria D'Andrea Greve, Arnaldo José Hernandez
OBJECTIVES: Anterior cruciate ligament injury leads to adaptive responses to maintain postural control. However, there is no consensus regarding whether leg dominance also affects postural control in athletes with anterior cruciate ligament injury. The purpose of this study was to evaluate dynamic and static postural control among athletes with and without anterior cruciate ligament injury to the dominant leg. METHODS: Twenty-eight athletes, twenty-one males and seven females aged 15-45 years, were allocated to one of two groups: the anterior cruciate ligament injury group (26±3 years) or the control group without anterior cruciate ligament injury (25±6...
August 2016: Clinics
https://www.readbyqxmd.com/read/27575249/single-leg-squat-performance-in-active-adolescents-age-8-to-17-years
#12
Cristine E Agresta, Chris Church, John Henley, Tim Duer, Kathleen OʼBrien
Over 30 million US adolescents participate in sport and exercise. Lower extremity injury from sport participation accounts for up to 89% of injuries each year. The single leg squat (SLS) is a simple clinical tool that assesses lower extremity mechanics often associated with injury risk. To date, there is limited information regarding SLS performance in healthy children. Such information could be useful when assessing youth athletes to determine if mechanics demonstrated are different than is to be expected and puts them at risk for injury...
August 26, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27574474/laboratory-and-field-based-testing-as-predictors-of-skating-performance-in-competitive-level-female-ice-hockey
#13
Tommy Henriksson, Jason D Vescovi, Anncristine Fjellman-Wiklund, Kajsa Gilenstam
OBJECTIVES: The purpose of this study was to examine whether field-based and/or laboratory-based assessments are valid tools for predicting key performance characteristics of skating in competitive-level female hockey players. DESIGN: Cross-sectional study. METHODS: Twenty-three female ice hockey players aged 15-25 years (body mass: 66.1±6.3 kg; height: 169.5±5.5 cm), with 10.6±3.2 years playing experience volunteered to participate in the study...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27513733/isometric-contractions-are-more-analgesic-than-isotonic-contractions-for-patellar-tendon-pain-an-in-season-randomized-clinical-trial
#14
Ebonie Rio, Mathijs van Ark, Sean Docking, G Lorimer Moseley, Dawson Kidgell, Jamie E Gaida, Inge van den Akker-Scheek, Johannes Zwerver, Jill Cook
OBJECTIVE: This study aimed to compare the immediate analgesic effects of 2 resistance programs in in-season athletes with patellar tendinopathy (PT). Resistance training is noninvasive, a principle stimulus for corticospinal and neuromuscular adaptation, and may be analgesic. DESIGN: Within-season randomized clinical trial. Data analysis was conducted blinded to group. SETTING: Subelite volleyball and basketball competitions. PARTICIPANTS: Twenty jumping athletes aged more than 16 years, participating in games/trainings 3 times per week with clinically diagnosed PT...
August 10, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27498815/static-and-dynamic-single-leg-postural-control-performance-during-dual-task-paradigms
#15
Maria K Talarico, Robert C Lynall, Timothy C Mauntel, Paul S Weinhold, Darin A Padua, Jason P Mihalik
Combining dynamic postural control assessments and cognitive tasks may give clinicians a more accurate indication of postural control under sport-like conditions compared to single-task assessments. We examined postural control, cognitive and squatting performance of healthy individuals during static and dynamic postural control assessments in single- and dual-task paradigms. Thirty participants (female = 22, male = 8; age = 20.8 ± 1.6 years, height = 157.9 ± 13.0 cm, mass = 67.8 ± 20.6 kg) completed single-leg stance and single-leg squat assessments on a force plate individually (single-task) and concurrently (dual-task) with two cognitive assessments, a modified Stroop test and the Brooks Spatial Memory Test...
August 8, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27390393/relationship-of-lower-extremity-alignment-during-the-wall-squat-and-single-leg-jump-assessment-of-single-leg-landing-using-three-dimensional-motion-analysis
#16
Manabu Watanabe, Takaaki Matsumoto, Susumu Ono, Hirohisa Koseki, Koji Watarai
[Purpose] The purpose of this study was to evaluate the relationship between malalignment and lower-extremity injury and to determine the optimal dynamic alignment of the lower extremity with wall squats. [Subjects and Methods] Healthy individuals from one therapy school were enrolled and assigned to a wall squat normal or abnormal group based on their forms during wall squats. The abnormal group was found to be more prone to lower-extremity injury on three-dimensional motion analysis. Eight students from each group were randomly chosen for the study...
June 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27374017/the-accuracy-of-the-visa-p-questionnaire-single-leg-decline-squat-and-tendon-pain-history-to-identify-patellar-tendon-abnormalities-in-adult-athletes
#17
Luciana de Michelis Mendonça, Juliana Melo Ocarino, Natália Franco Netto Bittencourt, Ludmila Maria Oliveira Fernandes, Evert Verhagen, Sérgio Teixeira Fonseca
Study Design Cross-sectional clinical assessment. Background Patellar tendinopathy is not always accompanied by patellar tendon abnormalities (PTAs). Thus, clinical screening tools to help identify patients with patellar tendon pain who have PTAs could enhance clinical decision making and patient prognosis. Objectives To test the diagnostic accuracy of the Victorian Institute of Sport Assessment-Patella (VISA-P) questionnaire, a single-leg decline squat (SLDS), tendon pain history, age, and years of sports participation to identify athletes with symptomatic patellar tendons who have PTAs confirmed on imaging...
August 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27361266/biomechanical-analysis-of-a-single-leg-squat-with-isokinetic-resistive-force-by-a-novel-exercise-equipment-2630-board-153-june-3-11-00-am-12-30-pm
#18
Yoshinori Kimura, Maki Koyanagi, Kenichi Koyanagi, Kouichi Mukai, Naruhiko Nakae, Takahiro Sakai, Noriko Tanaka, Yumiko Satoda, Sayaka Kondou, Shuhei Tada, Akio Inoue
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27269803/lower-limb-muscle-activation-patterns-during-off-axis-elliptical-compared-with-conventional-gluteal-muscle-strengthening-exercises
#19
Cindy Y Lin, Liang-Ching Tsai, Joel Press, Yupeng Ren, Sun G Chung, Li-Qun Zhang
CONTEXT: Gluteal-muscle strength has been identified as an important component of injury prevention and rehabilitation in several common knee injuries. However, many conventionally prescribed gluteal-strengthening exercises are not performed during dynamic weight-bearing activities, which is when most injuries occur. OBJECTIVES: To compare lower-limb muscle-activation patterns between conventional gluteal-strengthening exercises and off-axis elliptical exercises with motorized foot-plate perturbations designed to activate gluteal muscles during dynamic exercise...
May 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27269798/can-a-single-leg-squat-provide-insight-into-movement-control-and-loading-during-dynamic-sporting-actions-in-patients-with-athletic-groin-pain
#20
Brendan M Marshall, Andrew D Franklyn-Miller, Kieran A Moran, Enda A King, Siobhán C Strike, Éanna C Falvey
CONTEXT: Chronic athletic groin pain (AGP) is common in field sports and has been associated with abnormal movement control and loading of the hip and pelvis during play. A single-leg squat (SLS) is commonly used by clinicians to assess movement control, but whether it can provide insight into control during more dynamic sporting movements in AGP patients is unclear. OBJECTIVE: To determine the relationships between biomechanical measures in an SLS and the same measures in a single-leg drop landing, single-leg hurdle hop, and a cutting maneuver in AGP patients...
May 2016: Journal of Sport Rehabilitation
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