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https://www.readbyqxmd.com/read/29157738/do-hip-muscle-weakness-and-dynamic-knee-valgus-matter-for-the-clinical-evaluation-and-decision-making-process-in-patients-with-patellofemoral-pain
#1
REVIEW
Nayra Deise Dos Anjos Rabelo, Paulo Roberto Garcia Lucareli
BACKGROUND: Patellofemoral pain is a very common musculoskeletal condition. In the last years, evidence regarding this disease increased exponentially. Although widely investigated, this problem still frustrates patients and clinicians for having an unfavorable prognosis. Some gaps still exist in the understanding and managing of patellofemoral pain. Numerous cross-sectional association studies show an association between gluteus muscular strength and dynamic knee valgus in patients with patellofemoral pain...
November 8, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/29141630/ct-based-analysis-of-muscle-volume-and-degeneration-of-gluteus-medius-in-patients-with-unilateral-hip-osteoarthritis
#2
Takako Momose, Yutaka Inaba, Hyonmin Choe, Naomi Kobayashi, Taro Tezuka, Tomoyuki Saito
BACKGROUND: The gluteus medius (GMED) affects hip function as an abductor. We evaluated muscle volume and degeneration of the GMED by using CT-based analysis and assessed factors that affect hip abductor strength in patients with unilateral hip osteoarthritis (OA). METHODS: We examined clinical and imaging findings associated with hip abductor strength in consecutive 50 patients with unilateral hip OA. Hip abductor muscle strength and Harris hip score (HHS) were assessed...
November 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29122250/trunk-and-hip-muscle-activation-during-yoga-poses-implications-for-physical-therapy-practice
#3
Debra Beazley, Shilpa Patel, Brent Davis, Steven Vinson, Lori Bolgla
OBJECTIVE: To determine and compare activation of core muscles during yoga to traditional back exercises. METHODS: Surface electromyography was used to quantify activation of the rectus abdominis (RA), abdominal obliques (AO), lumbar extensors (LE), and gluteus maximus (GMX) during four yoga poses. Data were expressed as 100% of a maximum voluntary isometric contraction. Separate analyses of variance with repeated measures were used to compare muscle activity across each exercise...
November 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/29096928/complications-of-trans-arterial-embolization-during-the-resuscitation-of-pelvic-fractures
#4
Boopalan Ramasamy, Dominic Thewlis, Mary J Moss, Francois Fraysse, Mark Rickman, Lucian Bogdan Solomon
INTRODUCTION: Trans arterial embolization (TAE) can stem uncontrolled bleeding associated with pelvic fractures, but is associated with potential complications. This study investigated and compared the early to midterm complications in two patient cohorts: one who did and one who did not undergo TAE. METHODOLOGY: The results of 14 patients who underwent TAE in the resuscitation phase, and then had their pelvic fractures managed non-operatively, the study group (Group 1), were compared with those of a control group (Group 2) of 14 patients matched for age, sex, injury and management, that did not undergo TAE...
October 28, 2017: Injury
https://www.readbyqxmd.com/read/29076958/gluteus-maximus-and-hamstring-activation-during-selected-weight-bearing-resistance-exercises
#5
Kevin McCurdy, John Walker, Derrick Yuen
McCurdy, K, Walker, J, and Yuen, D. Gluteus maximus and hamstring activation during selected weight-bearing resistance exercises. J Strength Cond Res XX(X): 000-000, 2017-The purpose of this study was to compare the gluteus maximus (GM) and hamstring group (HG) electromyographic (EMG) activation levels among selected weight-bearing resistance exercises. Eighteen young adult females with previous resistance training experience completed the study. Strength was assessed on the bilateral squat (BS) (3 repetition maximum [RM]), modified single-leg squat (MSLS) (3RM), and stiff-leg deadlift (SLDL) (8RM) to determine an 8RM load for all lifts...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29062663/free-neurovascular-latissimus-dorsi-muscle-transplantation-for-reconstruction-of-hip-abductors
#6
Sergi Barrera-Ochoa, Jose Manuel Collado-Delfa, Andrea Sallent, Alejandro Lluch, Roberto Velez
Resection of tumors affecting the hip abductors can cause significant decrease in muscle strength and may lead to abnormal gait and poor function. We present a case report showing full functional recovery after resection of a synovial sarcoma affecting the right gluteus medius and minimus muscles with reconstruction free neurovascular latissimus dorsi muscle transplantation. The latissimus dorsi muscle was harvested following standard technique and fixed to the ilium and the greater trochanter. Receptor vessels were end-to-end anastomosed to the subscapular vessels followed by an end-to-end epineural suture between the superior gluteal nerve and the thoracodorsal nerve...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28992772/hip-abductor-muscle-volume-and-strength-differences-between-women-with-chronic-hip-joint-pain-and-asymptomatic-controls
#7
Matthew J Mastenbrook, Paul K Commean, Travis J Hillen, Gretchen B Salsich, Gretchen A Meyer, Michael J Mueller, John C Clohisy, Marcie Harris-Hayes
Study Design Secondary analysis, cross-sectional study. Background Chronic hip joint pain (CHJP) can lead to limitations in activity participation, but the musculoskeletal factors associated with the condition are relatively unknown. Understanding the factors associated with CHJP may help develop rehabilitation strategies to improve quality of life of individuals with long-term hip pain. Objectives To compare measures of hip abductor muscle volume and hip abductor muscle strength between women with CHJP and asymptomatic controls...
October 9, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28992771/reliability-and-validity-of-the-hip-stability-isometric-test-hipsit-a-new-method-to-assess-hip-posterolateral-muscle-strength
#8
Gabriel Peixoto Leão Almeida, Helena Larissa das Neves Rodrigues, Bruno Wesley de Freitas, Pedro Olavo de Paula Lima
Study Design Cross-sectional study. Background The Hip Stability Isometric Test (HipSIT) evaluates the strength of the hip posterolateral stabilizers in a position that favors greater activation of the gluteus maximus and gluteus medius and lower activation of the tensor fascia lata. Objectives To check the validity and reliability of the HipSIT and to evaluate the HipSIT in women with patellofemoral pain (PFP). Methods The HipSIT was evaluated with a handheld dynamometer. During testing, the participants were sidelying, with their legs positioned at 45° of hip flexion and 90° of knee flexion...
December 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28920547/decreased-postoperative-gluteus-medius-muscle-cross-sectional-area-measured-by-computed-tomography-scan-in-patients-with-intertrochanteric-fractures-nailing
#9
Mitsuaki Noda, Yasuhiro Saegusa, Masayasu Takahashi, Yuma Takada, Masahiro Fujita, Issei Shinohara
BACKGROUND: In patients with femoral intertrochanteric fractures treated by cephalomedullary (CM) nailing, abduction force reportedly decreased by 25-30% during the postoperative follow-up period. The purpose of the current study is to evaluate the cross-sectional area (CSA) and adipose tissue ratio (ATR) of the gluteus medius muscle on the postoperative computed tomography (CT) view, expecting this graphic study will support clinical results. MATERIALS AND METHODS: A total of 27 patients with femoral intertrochanteric fractures treated by CM femoral nail implants completed the study...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28913369/changes-in-the-width-of-the-tibiofibular-syndesmosis-related-to-lower-extremity-joint-dynamics-and-neuromuscular-coordination-on-drop-landing-during-the-menstrual-cycle
#10
Michie Okazaki, Masaaki Kaneko, Yukisato Ishida, Norio Murase, Toshihito Katsumura
BACKGROUND: Many injuries of the lower extremities, especially the knee and ankle, occur during sports activity, and the incidence rate is higher in women than in men. HYPOTHESIS: The hypothesis was that phases of the menstrual cycle affect the width of the tibiofibular syndesmosis during drop landing in healthy young women and that such changes at the tibiofibular joint also affect the dynamics and neuromuscular coordination of the lower extremities. STUDY DESIGN: Descriptive laboratory study...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28900560/building-a-better-gluteal-bridge-electromyographic-analysis-of-hip-muscle-activity-during-modified-single-leg-bridges
#11
B J Lehecka, Michael Edwards, Ryan Haverkamp, Lani Martin, Kambry Porter, Kailey Thach, Richard J Sack, Nils A Hakansson
BACKGROUND: Gluteal strength plays a role in injury prevention, normal gait patterns, eliminating pain, and enhancing athletic performance. Research shows high gluteal muscle activity during a single-leg bridge compared to other gluteal strengthening exercises; however, prior studies have primarily measured muscle activity with the active lower extremity starting in 90 ° of knee flexion with an extended contralateral knee. This standard position has caused reports of hamstring cramping, which may impede optimal gluteal strengthening...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28843163/electromiography-comparison-of-distal-and-proximal-lower-limb-muscle-activity-patterns-during-external-perturbation-in-subjects-with-and-without-functional-ankle-instability
#12
Khadijeh Kazemi, Amir Massoud Arab, Iraj Abdollahi, Daniel López-López, César Calvo-Lobo
Ankle sprain is one of the most common injuries among athletes and the general population. Most ankle injuries commonly affect the lateral ligament complex. Changes in postural sway and hip abductor muscle strength may be generated after inversion ankle sprain. Therefore, the consequences of ankle injury may affect proximal structures of the lower limb. The aim is to describe and compare the activity patterns of distal and proximal lower limb muscles following external perturbation in individuals with and without functional ankle instability...
August 23, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28836890/hip-abductor-fatigability-and-recovery-are-related-to-the-development-of-low-back-pain-during-prolonged-standing
#13
Daniel Viggiani, Jack P Callaghan
A prolonged standing exposure can identify asymptomatic adults who have a higher risk of developing clinical low back pain later in life. Hip abductor cocontraction differences can predict low back pain development during standing exposures. This study's purpose was to determine if hip abductor strength, fatigability, and recovery during prolonged standing were related to standing-induced low back pain. Forty young, asymptomatic adults (50% female) performed two 2-hour standing sessions, a fatiguing hip abductor exercise was performed prior to one of the two standing sessions...
August 24, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28750972/lower-limb-muscular-activity-during-walking-at-different-speeds-over-ground-versus-treadmill-walking-a-voluntary-response-evaluation
#14
Khosro Khademi-Kalantari, Fatemeh Rahimi, Seyed Majid Hosseini, Alireza Akbarzade Baghban, Shapour Jaberzadeh
OBJECTIVE: To evaluate the overall lower limb muscular activity pattern during treadmill walking compared to over-ground walking. METHODOLOGY: The study was conducted on 25 healthy young females. Surface electromyography was recorded from gastrocnemius, hamstrings, vasti and gluteus medius muscles during walking over-ground and treadmill at 3 different speeds (comfortable, slow and fast). The pattern of muscle activity was compared between two walking conditions at different speeds by the voluntary response index method...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28750971/the-influence-of-physical-fitness-on-pressure-pain-threshold-of-elderly-women
#15
Fábio Marcon Alfieri, Alessandra Rodrigues de Souto Lima, Natália Cristina de Oliveira, Leslie Andrews Portes
Several factors may influence pressure pain threshold (PPT), including physical fitness. However, only a few authors have studied this relationship. The aim of this study was to investigate the relationships between muscle strength, functional capacity (ability to perform physical work and activities of daily living) and PPT in elderly women. This observational cross-sectional study involved 75 healthy women aged between 60 and 75 years. Volunteers underwent an evaluation consisting of anthropometry, functional capacity, muscle strength and PPT assessment by algometry in the following muscles: biceps brachii, flexor carpi ulnaris, flexor carpi radialis, vastus medialis, vastus lateralis and gluteus maximus...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#16
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28606466/hip-rate-of-force-development-and-strength-are-impaired-in-females-with-patellofemoral-pain-without-signs-of-altered-gluteus-medius-and-maximus-morphology
#17
Guilherme S Nunes, Christian John Barton, Fábio Viadanna Serrão
OBJECTIVES: To compare rate of force development (RFD) and isometric muscle strength of the hip abductors and extensors; and the thickness and the amount of non-contractile tissue of the gluteus medius and maximus between females with and without patellofemoral pain (PFP). DESIGN: Cross-sectional study. METHODS: Fifty-four physically active females (27 with PFP and 27 healthy individuals) were studied. Hip muscle isometric strength and RFD was evaluated using isokinetic dynamometry...
May 24, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28605003/outcomes-of-gluteus-maximus-and-tensor-fascia-lata-transfer-for-primary-deficiency-of-the-abductors-of-the-hip
#18
Sivashankar Chandrasekaran, Nader Darwish, S Pavan Vemula, Parth Lodhia, Carlos Suarez-Ahedo, Benjamin G Domb
PURPOSE: This study aims to present 3 patients' results after undergoing gluteus maximus and tensor fascia lata (TFL) transfer for chronic abductor tears unable to be repaired primarily. METHODS: 3 patients were identified intraoperatively as having an abductor tear unable to be repaired primarily. The anterior 1/3 of the gluteus maximus and the posterior 1/3 of the TFL were mobilised and transferred to the greater trochanter in order to reproduce the normal force vector of the gluteus medius and minimus...
June 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28593090/dynamic-hip-adduction-abduction-and-abdominal-exercises-from-the-holmich-groin-injury-prevention-program-are-intense-enough-to-be-considered-strengthening-exercises-a-cross-sectional-study
#19
Kasper Krommes, Thomas Bandholm, Markus D Jakobsen, Lars L Andersen, Andreas Serner, Per Hölmich, Kristian Thorborg
BACKGROUND: Training intensity is an important variable in strength training and above 80% of one repetition maximum is recommended for promoting strength for athletes. Four dynamic and two isometric on-field exercises are included in the Hölmich groin-injury prevention study that initially failed to show a reduction in groin injuries in soccer players. It has been speculated that exercise-intensity in this groin-injury prevention program was too low to induce the strength gains necessary to protect against groin-related injuries...
June 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28538321/muscle-activation-differs-between-partial-and-full-back-squat-exercise-with-external-load-equated
#20
RANDOMIZED CONTROLLED TRIAL
Josinaldo J da Silva, Brad J Schoenfeld, Priscyla N Marchetti, Silvio L Pecoraro, Julia M D Greve, Paulo H Marchetti
Changes in range of motion affect the magnitude of the load during the squat exercise and, consequently, may influence muscle activation. The purpose of this study was to evaluate muscle activation between the partial and full back squat exercise with external load equated on a relative basis between conditions. Fifteen young, healthy, resistance-trained men (age: 26 ± 5 years, height: 173 ± 6 cm) performed a back squat at their 10 repetition maximum (10RM) using 2 different ranges of motion (partial and full) in a randomized, counterbalanced fashion...
June 2017: Journal of Strength and Conditioning Research
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