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https://www.readbyqxmd.com/read/29669167/scoliosis-in-fibrous-dysplasia-mccune-albright-syndrome-factors-associated-with-curve-progression-and-effects-of-bisphosphonates
#1
Jason A Berglund, Sri Harsha Tella, Kaitlyn F Tuthill, Lauren Kim, Lori C Guthrie, Scott M Paul, Robert Stanton, Michael T Collins, Alison M Boyce
BACKGROUND: Scoliosis is a complication of fibrous dysplasia/McCune-Albright syndrome (FD/MAS), however risk factors and long-term outcomes are unknown. Bisphosphonates are commonly used; however, it is unknown whether their use decrease the risk of progressive scoliosis. METHODS: Clinical data from the NIH cohort study was reviewed. Cobb angles were measured, and variables associated with scoliosis progression were identified. RESULTS: Of 138 subjects with available radiographs, 84 (61%) had scoliosis, including 55 (65%) classified as mild (Cobb angle >10 to ≤30°), 11 (13%) as moderate (>30 to ≤45°), and 18 (22%) as severe (>45°)...
April 18, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29644392/effect-of-a-rest-pause-vs-traditional-squat-on-electromyography-and-lifting-volume-in-trained-women
#2
John A Korak, Max R Paquette, Dana K Fuller, Jennifer L Caputo, John M Coons
PURPOSE: Rest-pause (4 s unloaded rest between repetitions) single session training effects on lifting volume, and muscle activity via electromyography (EMG) are currently vague in the literature and can benefit strength and conditioning professionals for resistance training program design. This study compared differences in volume lifted and muscle activity between a rest-pause vs. traditional protocol. METHODS: Trained females (N = 13) completed both a rest-pause and traditional squat protocol consisting of four sets to movement failure at 80% pretest 1 repetition maximum load with 2-min rest between sets...
April 11, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29622256/editorial-commentary-treatment-of-partial-thickness-undersurface-abductor-tears-of-the-hip-like-backwards-a-bike-riding
#3
EDITORIAL
Derek Ochiai
Partial thickness undersurface abductor tears can be effectively treated with a transtendinous gluteus medius and minimus repair, with decreased pain and improvement in abductor strength. The surgical treatment of this condition runs counter to traditional treatment for "greater trochanteric bursitis," and adoption may be more difficult as a result.
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29554437/does-greater-trochanter-decortication-affect-suture-anchor-pullout-strength-in-abductor-tendon-repairs-a-biomechanical-study
#4
Jill G Putnam, Anikar Chhabra, Paulo Castañeda, J Brock Walker, Collin C Barber, James A Lendrum, David E Hartigan
BACKGROUND: Greater trochanter decortication is frequently performed at the time of abductor tendon repair to theoretically increase healing potential. No previous studies have determined the effect that greater trochanter decortication has on the pullout strength of suture anchors. Hypothesis/Purpose: The purpose of this study is to determine whether greater trochanter decortication and bone mineral density affect suture anchor pullout strength in abductor tendon repair. The authors hypothesize that both will have a significant detrimental effect on suture anchor pullout strength...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29484248/strengthening-the-gluteus-maximus-in-subjects-with-sacroiliac-dysfunction
#5
Marco Aurélio N Added, Diego G de Freitas, Karina T Kasawara, Robroy L Martin, Thiago Y Fukuda
Study design: Case series. Background and purpose: The literature has emphasized the use of exercise as an intervention for individuals with lumbopelvic pain. However, there is limited information to guide clinicians in exercise selection for those with sacroiliac (SI) joint dysfunction. Altered function of the gluteus maximus has been found in those with SI joint dysfunction. The objective of this case series was to assess the effectiveness of an exercise program directed at increasing gluteus maximus strength in those with clinical tests positive for SI joint dysfunction...
February 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29484243/maximal-hip-and-knee-muscle-strength-are-not-related-to-neuromuscular-pre-activity-during-sidecutting-maneuver-a-cross-sectional-study
#6
Rasmus S Husted, Jesper Bencke, Per Hölmich, Lars L Andersen, Kristian Thorborg, Thomas Bandholm, Bjørn Gliese, Hanne B Lauridsen, Grethe Myklebust, Per Aagaard, Mette K Zebis
Background: Reduced lower extremity muscle strength as well as reduced lower extremity muscle pre-activity (defined as muscular activity just prior to initial ground contact) during high-risk movements are factors related to increased risk of non-contact ACL injury in adolescent female athletes. A strong relationship exists between muscle strength and muscle activity obtained during an isometric contraction, however, whether these two measures are related when muscle activity is obtained during a movement associated with a high risk of non-contact ACL injury is not known...
February 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29465608/muscle-activation-patterns-of-lower-body-musculature-among-three-traditional-lower-body-exercises-in-trained-women
#7
Max R Paquette, Dana K Fuller, Jennifer L Caputo, John M Coons
The deadlift and back and front squats are common multi-joint, lower body resistance exercises that target similar musculature. To our knowledge, muscle activity measured via surface electromyography (EMG) has never been analyzed among these three exercises. Furthermore, most literature examining this topic has included male participants creating a void in the literature for the female population. Knowledge of lower body muscle activation among these three exercises can aid coaches, trainers, and therapists for training and rehabilitative purposes...
February 15, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29446121/atrophy-of-hip-abductor-muscles-is-related-to-clinical-severity-in-a-hip-osteoarthritis-population
#8
Anita Zacharias, Rodney A Green, Adam Semciw, Daniel J English, Theo Kapakoulakis, Tania Pizzari
INTRODUCTION: Osteoarthritis mainly affects weight-bearing joints such as the hip and knee and is the most common form of arthritis. Greater muscle atrophy with fatty infiltration of gluteal muscles and decreased hip abduction strength has previously been identified with increasing severity of radiological hip OA. However, it is well documented that radiographic findings of OA do not always correlate with clinical severity. The aim of this secondary analysis was to examine whether atrophy and strength of gluteus maximus (GMax), medius (GMed), minimus (GMin), and tensor fascia lata (TFL) is associated with the clinical severity of OA...
February 15, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29445330/non-neural-muscle-weakness-has-limited-influence-on-complexity-of-motor-control-during-gait
#9
Marije Goudriaan, Benjamin R Shuman, Katherine M Steele, Marleen Van den Hauwe, Nathalie Goemans, Guy Molenaers, Kaat Desloovere
Cerebral palsy (CP) and Duchenne muscular dystrophy (DMD) are neuromuscular disorders characterized by muscle weakness. Weakness in CP has neural and non-neural components, whereas in DMD, weakness can be considered as a predominantly non-neural problem. Despite the different underlying causes, weakness is a constraint for the central nervous system when controlling gait. CP demonstrates decreased complexity of motor control during gait from muscle synergy analysis, which is reflected by a higher total variance accounted for by one synergy (tVAF1 )...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29410579/relationship-between-hamstring-length-and-gluteus-maximus-strength-with-and-without-normalization
#10
Dong-Kyu Lee, Jae-Seop Oh
[Purpose] This study assessed the relationship between hamstring length and gluteus maximus (GM) strength with and without normalization by body weight and height. [Subjects and Methods] In total, 34 healthy male subjects volunteered for this study. To measure GM strength, subjects performed maximal hip joint extension with the knee joints flexed to 90° in the prone position. GM strength was normalized for body weight and height. [Results] GM strength with normalization was positively correlated with hamstring length, whereas GM strength without normalization was negatively correlated with hamstring length...
January 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29410557/effect-of-limbering-up-of-the-muscles-attached-to-the-pelvis-on-the-strength-of-upper-and-lower-extremity-and-trunk-muscles-through-the-transitional-network
#11
Yuichi Azuma, Toyoko Asami, Masayoshi Ichiba, Shinichiro Oka, Hisayoshi Yoshizuka
[Purpose] To study the effect that limbering up of the muscles attached to the pelvis has on muscle strength of the trunk and upper and lower extremities, which are not being exercised, and to investigate the possibilities for clinical application. [Subjects and Methods] A total of 152 healthy adult men. Sthenometry was conducted using a handheld dynamometer to assess the effect of limbering up of the upper gluteus maximus, hamstrings, and internal abdominal oblique muscles attached to thoracolumbar fascia on the trunk and upper and lower extremities...
January 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29385003/lower-extremity-strength-and-recovery-time-in-youth-baseball-pitchers-a-pilot-study
#12
Jennifer L Livingston, Nicholas M Tavoukjian
The purpose of this study was to investigate the Little League pitching regulations by measuring the change in lower extremity force production after a pitching performance and the subsequent days of rest required for youth baseball pitchers to recover. Bilateral manual muscle testing of the gluteus maximus, hamstrings, gluteus medius, triceps surae, and quadriceps was conducted using a handheld dynamometer. Fifteen healthy, youth baseball pitchers (9.80 ± 1.08 years) threw a submaximal number of pitches and were tested prior to, immediately after, and for the next four consecutive days...
January 29, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29349712/highly-favorable-physiological-responses-to-concurrent-resistance-and-high-intensity-interval-training-during-chemotherapy-the-optitrain-breast-cancer-trial
#13
Sara Mijwel, Malin Backman, Kate A Bolam, Emil Olofsson, Jessica Norrbom, Jonas Bergh, Carl Johan Sundberg, Yvonne Wengström, Helene Rundqvist
BACKGROUND: Advanced therapeutic strategies are often accompanied by significant adverse effects, which warrant equally progressive countermeasures. Physical exercise has proven an effective intervention to improve physical function and reduce fatigue in patients undergoing chemotherapy. Effects of high-intensity interval training (HIIT) in this population are not well established although HIIT has proven effective in other clinical populations. The aim of the OptiTrain trial was to examine the effects of concurrent resistance and high-intensity interval training (RT-HIIT) or concurrent moderate-intensity aerobic and high-intensity interval training (AT-HIIT), to usual care (UC) on pain sensitivity and physiological outcomes in patients with breast cancer during chemotherapy...
May 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29305287/endoscopic-repair-of-partial-thickness-undersurface-tears-of-the-abductor-tendon-clinical-outcomes-with-minimum-2-year-follow-up
#14
David E Hartigan, Itay Perets, Sherwin W Ho, John P Walsh, Leslie C Yuen, Benjamin G Domb
PURPOSE: To report the minimum 2-year outcomes of transtendinous repair of partial-thickness undersurface tears of the abductor tendon using patient-reported outcomes (PROs), visual analog scale (VAS) scores, and patient satisfaction scores. METHODS: All patients who underwent endoscopic transtendinous gluteus medius repair between October 2009 and May 2013 at 1 institution were prospectively evaluated. The exclusion criteria consisted of less than 2 years' follow-up, previous hip surgery, inflammatory arthritis, open surgery, full-thickness abductor tear, and Workers' Compensation patients...
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29290017/weight-bearing-exercise-can-elicit-similar-peak-muscle-activation-as-medium-high-intensity-resistance-exercise-in-elderly-women
#15
Remco J Baggen, Evelien Van Roie, Jaap H van Dieën, Sabine M Verschueren, Christophe Delecluse
PURPOSE: To assess whether stepping-based weight bearing exercise (WBE) can elicit peak activation of upper leg muscles similar to resistance exercise (RE) at an intensity required to induce strength gains in elderly women. METHODS: Muscular activation of several upper leg muscles was measured during RE and WBE in a cohort of 19 healthy elderly women (69.3 ± 3.4 years). WBE consisted of forward and lateral stepping with step heights of 10, 20 and 30 cm. Muscular activation was compared to 60% of one-repetition maximum (1-RM) of congruent RE...
March 2018: European Journal of Applied Physiology
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
#16
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...
March 2018: 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
#17
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
#18
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
#19
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...
December 2017: Injury
https://www.readbyqxmd.com/read/29076958/gluteus-maximus-and-hamstring-activation-during-selected-weight-bearing-resistance-exercises
#20
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 32(3): 594-601, 2018-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...
March 2018: Journal of Strength and Conditioning Research
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