keyword
https://read.qxmd.com/read/38444520/tai-chi-counteracts-age-related-somatosensation-and-postural-control-declines-among-older-adults
#21
JOURNAL ARTICLE
Teng Zhang, Li Li, Jan M Hondzinski, Min Mao, Wei Sun, Qipeng Song
OBJECTIVE: To investigate the effect of a 16-week Tai Chi practice on strength, tactile sensation, kinesthesia, and static postural control among older adults of different age groups. METHODS: This is a quasi-experimental study. Thirteen participants aged 60-69 years (60-69yr), 11 aged 70-79 years (70-79yr), and 13 aged 80-89 years (80-89yr) completed 16 weeks of 24-form Tai Chi practice. Their ankle and hip peak torque, tactile sensation, ankle and knee kinesthesia, and the root mean square of the center of pressure (Cop-RMS) were measured before (week 0) and after (week 17) practice...
April 2024: Journal of Exercise Science and Fitness
https://read.qxmd.com/read/38436507/up-to-date-diagnosis-and-treatment-of-massive-irreparable-cuff-tears-results-of-the-survey-of-the-u45-esska-committee
#22
JOURNAL ARTICLE
Simone Cerciello, Matthieu Ollivier, Matthew Charles Giordano, Baris Kocaoglu
PURPOSE: Irreparable rotator cuff tears are disabling and can severely affect daily life activities, especially when young and active patients are involved. The definition is still debated, and they can have several clinical presentations. The treatment depends on the clinical presentation and the patient's age. METHODS: The survey was developed by the ESSKA U45 Committee and was uploaded on the ESSKA website. Fifty-seven questionnaires were returned. Several aspects of the diagnosis and treatment of massive irreparable cuff tears were investigated...
March 4, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38432813/the-effect-of-kinetic-factors-of-dynamic-knee-valgus-on-patellofemoral-pain-a-systematic-review-and-meta-analysis
#23
REVIEW
Ali Yalfani, Mohamadreza Ahmadi, Azadeh Asgarpoor
The speculation of dynamic knee valgus (DKV) correlates with kinetic changes in the frontal plane that increased loading patellofemoral joint (PFJ). Therefore, it is the purpose of this systematic review and meta-analysis study is the effect of kinetic factors DKV on patellofemoral pain (PFP). The search strategy was carried out in the electronic databases of Cochrane Library, PubMed, Springer Link, Science Direct, Scopus. Studies limited to the period 2000 to 2020 were extracted. The quality of study was assessment by modified Downs and Black checklist...
January 2024: Journal of Bodywork and Movement Therapies
https://read.qxmd.com/read/38430608/markerless-gait-analysis-through-a-single-camera-and-computer-vision
#24
JOURNAL ARTICLE
Hanwen Wang, Bingyi Su, Lu Lu, Sehee Jung, Liwei Qing, Ziyang Xie, Xu Xu
The assessment of gait performance using quantitative measures can yield crucial insights into an individual's health status. Recently, computer vision-based human pose estimation has emerged as a promising solution for markerless gait analysis, as it allows for the direct extraction of gait parameters from videos. This study aimed to compare the lower extremity kinematics and spatiotemporal gait parameters obtained from a single-camera-based markerless method with those acquired from a marker-based motion tracking system across a healthy population...
February 28, 2024: Journal of Biomechanics
https://read.qxmd.com/read/38416186/what-are-the-differences-in-the-recovery-of-physical-function-and-clinical-score-between-patients-with-steroid-related-osteonecrosis-of-the-femoral-head-and-hip-osteoarthritis-undergoing-total-hip-arthroplasty-a-propensity-score-matched-study
#25
JOURNAL ARTICLE
Ryota Hamada, Takumi Kawano, Masanobu Murao, Manabu Nankaku, Yaichiro Okuzu, Toshiyuki Kawai, Yutaka Kuroda, Ryosuke Ikeguchi, Shuichi Matsuda
PURPOSE: Steroid-related osteonecrosis of the femoral head (ONFH), arising from steroid administration for underlying diseases, represents a unique pathology for total hip arthroplasty (THA) and typically affects a younger demographic compared to osteoarthritis (OA). Given the significant age-related differences, this study aims to employ propensity score matching to align patient backgrounds between these two diseases and compare physical function. Additionally, our objective is to scrutinize the patterns of clinical score recovery over the course of one year following THA...
February 28, 2024: International Orthopaedics
https://read.qxmd.com/read/38400412/obesity-specific-considerations-for-assessing-gait-with-inertial-measurement-unit-based-vs-optokinetic-motion-capture
#26
JOURNAL ARTICLE
Julie Rekant, Scott Rothenberger, April Chambers
Adults with obesity experience high rates of disability and rapid functional decline. Identifying movement dysfunction early can direct intervention and disrupt disability development; however, subtle changes in movement are difficult to detect with the naked eye. This study evaluated how a portable, inertial measurement unit (IMU)-based motion capture system compares to a laboratory-based optokinetic motion capture (OMC) system for evaluating gait kinematics in adults with obesity. Ten adults with obesity performed overground walking while equipped with the OMC and IMU systems...
February 16, 2024: Sensors
https://read.qxmd.com/read/38395272/editorial-commentary-the-gold-standard-for-assessment-of-hip-instability-is-three-dimensional-3-d-imaging
#27
EDITORIAL
Payam W Sabetian
X-rays have been utilized for over a century as standard practice to diagnose bony pathology. While cost-efficient, their limitations to display three-dimensional structures may compromise our ability to correctly diagnose - and treat correspondingly- conditions of the hip that cause microinstability and ultimately lead to cartilage wear. Several radiographic measurements - such as the LCEA, ACEA, Tönnis angle, crossover sign, etc. - have historically been used to determine instability. More recently, the Femoro-epiphysial acetabular roof (FEAR) index has been proposed as a method to diagnose an unstable hip through x-rays...
February 21, 2024: Arthroscopy
https://read.qxmd.com/read/38377744/running-biomechanics-differ-during-and-after-pregnancy-compared-to-females-who-have-never-been-pregnant
#28
JOURNAL ARTICLE
Jennifer J Bagwell, Elizabeth Avila, Nicholas Reynolds, Jo Armour Smith, Kevin Valenzuela, Dimitrios Katsavelis
BACKGROUND: Perinatal running participation has increased recently; however, pregnancy related symptoms can limit activity. Perinatal running biomechanics could inform interventions to help perinatal individuals maintain an active lifestyle. RESEARCH QUESTION: Are perinatal running biomaechanics and muscle activation different compared to nulligravida females? METHODS: Sixteen pregnant participants completed self-selected velocity running during second trimester (2 T), third trimester (3 T), and postpartum (PP) and 16 matched controls completed these procedures once in this case control study...
February 5, 2024: Gait & Posture
https://read.qxmd.com/read/38377653/the-impact-of-whole-body-vibration-training-and-proprioceptive-neuromuscular-facilitation-on-biomechanical-characteristics-of-lower-extremity-during-cutting-movement-in-individuals-with-functional-ankle-instability-a-parallel-group-study
#29
JOURNAL ARTICLE
Huimeng Chen, Wenxia Hu, Yuduo Liu, Jia Na, Qiujie Li, Xianglin Wan
BACKGROUND: We compared the effects of whole-body vibration training and proprioceptive neuromuscular facilitation on the biomechanical characteristics of the lower limbs in functional ankle instability patients during cutting movement to ascertain the superior rehabilitation method. METHODS: Twenty-two male College students with unilateral functional ankle instability volunteered for this study and were randomly divided into whole-body vibration training group and proprioceptive neuromuscular facilitation group...
February 15, 2024: Clinical Biomechanics
https://read.qxmd.com/read/38350237/patient-reported-difficulty-in-activities-of-daily-living-and-corresponding-muscle-weakness-in-elderly-patients-undergoing-haemodialysis
#30
JOURNAL ARTICLE
Shota Matsufuji, Tetsuo Shoji, Suhye Lee, Atsuhiro Hoshio, Ruri Tanaka, Koji Fujimoto, Hiroaki Watanuki, Mari Nishimura, Yoshihiro Tsujimoto, Tomoaki Morioka, Katsuhito Mori, Masanori Emoto
AIM: Patients undergoing haemodialysis have reduced muscle strength and impaired activities of daily living (ADL). We examined possible relationship between difficult ADL and corresponding muscle weakness in elderly haemodialysis patients. METHODS: This was a single-centre, cross-sectional study. Patient-reported ADL difficulty was examined using a questionnaire in six ADL using upper limbs (eating, grooming and dressing) and lower limbs (bathing, toileting and locomotion)...
February 13, 2024: Nephrology
https://read.qxmd.com/read/38331369/editorial-commentary-sexual-function-improves-after-hip-arthroscopy-for-femoroacetabular-impingement
#31
EDITORIAL
Derek H Ochiai
Femoroacetabular impingement syndrome can cause pain and difficulty with sexual activity. Arthroscopic treatment of femoroacetabular impingement can improve a patient's sexual health, as seen by improvement in patient-reported outcomes. This correlates with improved quality-of-life scores. Sexual function scores improve for both male and female patients after surgery, but improvement in female patients is greater, most likely because sexual positioning in female patients may involve more flexion, abduction, and rotation than male patients...
February 7, 2024: Arthroscopy
https://read.qxmd.com/read/38326644/an-8-week-injury-prevention-exercise-program-combined-with-change-of-direction-technique-training-limits-movement-patterns-associated-with-anterior-cruciate-ligament-injury-risk
#32
JOURNAL ARTICLE
M Mohr, P Federolf, D Heinrich, M Nitschke, C Raschner, J Scharbert, A D Koelewijn
Knee ligament sprains are common during change-of-direction (COD) maneuvers in multidirectional team sports. This study aimed to compare the effects of an 8-week injury prevention exercise program containing COD-specific exercises and a similar program containing linear sprint exercises on injury- and performance-related variables during a 135° COD task. We hypothesized that the COD-specific training would lead to (H1) stronger reductions in biomechanical variables associated with anterior cruciate ligament (ACL) injury risk during COD, i...
February 7, 2024: Scientific Reports
https://read.qxmd.com/read/38311260/biomechanical-analysis-reveals-shoulder-instability-with-bipolar-bone-loss-is-best-treated-with-dynamic-anterior-stabilization-for-on-track-lesions-and-with-remplissage-for-off-track-lesions
#33
JOURNAL ARTICLE
Chenliang Wu, Zipeng Ye, Simin Lu, Zhaoyi Fang, Junjie Xu, Jinzhong Zhao
PURPOSE: To compare the biomechanical effects of augmenting Bankart repair (BR) with either remplissage or dynamic anterior stabilization (DAS) in the treatment of anterior shoulder instability with on-track or off-track bipolar bone loss. METHODS: Eight fresh-frozen cadaveric shoulders were tested at 60° of glenohumeral abduction in the intact, injury, and repair conditions. Injury conditions included 15% glenoid bone loss with an on-track or off-track Hill-Sachs lesion as previously recommended...
February 2, 2024: Arthroscopy
https://read.qxmd.com/read/38303115/a-data-mining-approach-for-determining-biomechanical-adaptations-in-runners-who-experienced-and-recovered-from-patellofemoral-pain-syndrome
#34
JOURNAL ARTICLE
Ross J Brancati, Joseph Hamill, Carl Jewell, Katherine A Boyer
Patellofemoral pain (PFP) is a common musculoskeletal pain disorder experienced by runners. While biomechanics of those with PFP have been extensively studied, methodological considerations may omit important adaptations exhibited by those experiencing and recovered from pain. Instead of a priori selection of discrete biomechanical variables, a data mining approach was leveraged to account for the high dimensionality of running gait data. Biomechanical data of runners symptomatic for, recovered from, and who had never experienced PFP were collected at the 1st (M1) and 21st (M21) minutes of a treadmill run...
February 1, 2024: Journal of Sports Sciences
https://read.qxmd.com/read/38297366/monitoring-modifiable-injury-risk-factors-over-an-in-season-mesocycle-in-semi-professional-female-field-hockey-players
#35
JOURNAL ARTICLE
Violeta Sánchez-Migallón, Víctor Moreno-Pérez, Pablo Terrón-Manrique, Vicente Fernández-Ruiz, Catherine Blake, Archit Navandar, Álvaro López Samanes
OBJECTIVE: This study aimed to determine changes of modifiable injury risk factors and fatigue parameters during a mesocycle (4 months of the competitive season) in semi-professional female field hockey players (Spanish 2nd Division). METHODS: Fourteen female field hockey players (age: 22.6 ± 4.9 years) participated in the study over 4 months of the competitive season (September-December 2019). The players were tested each month for their: maximal isometric knee flexion, hip adduction, and abduction muscle strength; passive straight leg raise and ankle dorsiflexion range of motion (ROM); countermovement jump height; and perceptual fatigue (through a perceived well-being questionnaire)...
January 31, 2024: BMC Sports Science, Medicine and Rehabilitation
https://read.qxmd.com/read/38291791/the-effect-of-external-focus-versus-internal-focus-instruction-on-jump-landing-biomechanics-in-healthy-females
#36
JOURNAL ARTICLE
Hayley M Ericksen, Erin M Lally, Jennifer Earl-Boehm
CONTEXT: Different forms of instruction have contributed to favorable results in injury interventions. External focus (EF) instruction may be superior to internal focus (IF) instruction. OBJECTIVE: To investigate the difference in landing biomechanics between participants who received EF versus IF instruction and a control. A secondary aim was to evaluate participant perceptions of focus of attention. DESIGN: Randomized controlled trial. SETTING: Laboratory...
January 31, 2024: Journal of Athletic Training
https://read.qxmd.com/read/38291445/insufficient-stem-antetorsion-and-lower-cup-abduction-is-a-combined-risk-factor-for-posterior-hip-dislocation-in-patients-undergoing-tha-for-femoral-neck-fractures-a-retrospective-analysis
#37
JOURNAL ARTICLE
Zhuokai Li, Yang Yang, Shengyang Guo, Ju Liu, Xiaoxiao Zhou, Houlin Ji
BACKGROUND: The role of acetabular and femoral component positions with respect to the risk of post-operative instability and dislocation remains debated. In this study, we aimed to identify potential risk factors for early dislocation following primary total hip arthroplasty (THA) for displaced intracapsular femoral neck fractures (FNF) using radiological measurements. METHODS: We retrospectively analyzed data for patients who underwent cementless primary THA for FNF using a posterolateral approach between January 2018 and December 2021...
January 30, 2024: BMC Musculoskeletal Disorders
https://read.qxmd.com/read/38280014/how-to-activate-the-glutes-best-peak-muscle-activity-of-acceleration-specific-pre-activation-and-traditional-strength-training-exercises
#38
JOURNAL ARTICLE
Maximilian Goller, Oliver J Quittmann, Tobias Alt
PURPOSE: Isometric training and pre-activation are proven to enhance acceleration performance. However, traditional strength training exercises do not mirror the acceleration-specific activation patterns of the gluteal muscles, characterized by ipsilateral hip extension during contralateral hip flexion. Therefore, the aim of the study was to determine gluteal muscle activity of acceleration-specific exercises compared to traditional strength training exercises. METHODS: In a cross-sectional study design, the peak electromyographic activity of two acceleration-specific exercises was investigated and compared to two traditional strength training exercises each for the gluteus maximus and medius...
January 27, 2024: European Journal of Applied Physiology
https://read.qxmd.com/read/38278459/massive-irreparable-rotator-cuff-tears-treated-with-a-tuberoplasty-yield-favorable-clinical-outcomes-with-variable-rates-of-complications-a-systematic-review
#39
REVIEW
Justin T Childers, Emma Eng, Shu Lin, Devin Q John, Akshay V Daji, Garrett R Jackson, Vani J Sabesan
PURPOSE: To systematically review the patient-reported outcomes and postoperative complications following tuberoplasty for the treatment of massive irreparable rotator cuff tears. METHODS: A literature search was conducted using PubMed and EMBASE computerized databases from database inception to June 2023 in accordance with the 2020 Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. Included studies evaluated clinical outcomes, postoperative complications, and reoperation rates following tuberoplasty for the treatment of massive irreparable rotator cuff tears...
January 24, 2024: Arthroscopy
https://read.qxmd.com/read/38258962/arthroscopic-bankart-with-remplissage-results-in-lower-rates-of-recurrent-instability-with-similar-range-of-motion-compared-to-isolated-arthroscopic-bankart-for-anterior-glenohumeral-instability-a%C3%A2-systematic-review-and-meta-analysis
#40
JOURNAL ARTICLE
Juan Bernardo Villarreal-Espinosa, Jeffrey Kay, Arun J Ramappa
PURPOSE: The addition of the remplissage procedure to an arthroscopic Bankart procedure has been shown to improve clinical outcomes, yet at the expense of potentially decreasing shoulder range of motion. The purpose of this study was to assess recurrent instability, range of motion, functional outcomes and rates of return to sport outcomes in patients undergoing an isolated arthroscopic Bankart repair compared to those undergoing arthroscopic Bankart repair in addition to the remplissage procedure...
January 23, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
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