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https://www.readbyqxmd.com/read/29786622/quantitative-analysis-of-proximal-and-distal-kinetic-chain-musculature-during-dynamic-exercises
#1
Gretchen D Oliver, Jessica K Washington, Jeff W Barfield, Sarah S Gascon, Gabrielle Gilmer
Oliver, GD, Washington, JK, Barfield, JW, Gascon, SS, and Gilmer, G. Quantitative analysis of proximal and distal kinetic chain musculature during dynamic exercises. J Strength Cond Res 32(6): 1545-1553, 2018-Proximal to distal sequencing for the dynamic movement of throwing is dependent on the movement and stability of the lumbopelvic-hip complex (LPHC) and scapula. Although the need for proximal stability for distal mobility has been vastly documented, pre-throwing programs tend to focus on the traditional rotator cuff activation exercises before long toss...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29777279/-flap-coverage-using-the-posterior-gluteal-thigh-flap
#2
REVIEW
M K Boyce, T R Mett, R Ipaktchi, P M Vogt
OBJECTIVE: Defect coverage of the sacral, trochanteric or ischial region with durable tissue (gluteal thigh flap). INDICATIONS: Decubital ulcers of the sacral, trochanteric or ischial region after exhaustion of conservative measures. CONTRAINDICATIONS: Moribund or palliative patients who do not benefit from defect coverage and are likely to suffer a life-threatening complication. Noncompliant patients, who cannot follow the postoperative recommendations or protocols in regard to positioning or recurrence prevention...
May 17, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29772865/-diffuse-type-tenosynovial-giant-cell-tumor-of-the-gluteus-maximus-muscle-a-case-report
#3
Long Chen, Long-Long Lyu, Hao Lyu, Qi Huang, Sheng-Ming Xu, Feng Niu
No abstract text is available yet for this article.
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772741/changes-in-lumbopelvic-movement-and-muscle-recruitment-associated-with-prolonged-deep-squatting-a-pilot-study
#4
Tim K S Lui, Sharon M H Tsang, Anthony W L Kwok
This study examined the changes in spinal kinematics and muscle recruitment of the lumbopelvic region associated with prolonged squatting. Eight subjects with chronic nonspecific low back pain (LBP) and eight asymptomatic subjects (AS) performed squat-to-stand and reverse movements, before and immediately after 15 min deep-squatting. Within-group and between-group differences in lumbopelvic kinematics and electromyographic activity acquired in lumbar erector spinae (ES), gluteus maximus (GM), and vastus lateralis (VL) were analyzed...
May 16, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29762339/the-relationship-between-fear-avoidance-and-neuromuscular-measures-of-function-in-patients-with-adult-degenerative-scoliosis
#5
Ram Haddas, Isador H Lieberman, Andrew Block
STUDY DESIGN: A prospective cohort study. OBJECTIVE: To examine the relationship of fear-avoidance beliefs and neuromuscular activity during gait in adult degenerative scoliosis (ADS) patients. SUMMARY OF BACKGROUND DATA: Among patients with chronic spine pain, fear-avoidance beliefs are predictive of poor surgical outcomes. Fear-avoidance occurs when patients perceive that movement will worsen underlying physical problems. This process leads them to restrict activity, which further heightens emotional distress...
May 14, 2018: Spine
https://www.readbyqxmd.com/read/29761113/differences-in-hip-joint-biomechanics-and-muscle-activation-in-individuals-with-femoroacetabular-impingement-compared-with-healthy-asymptomatic-individuals-is-level-ground-gait-analysis-enough
#6
Derek J Rutherford, Janice Moreside, Ivan Wong
Background: Femoroacetabular impingement (FAI) is a recognized cause of hip and groin pain and a significant factor in hip joint function during sport. Objective tests for understanding hip function are lacking in this population. Purpose: To determine whether biomechanical and electromyographic features of hip function during level-ground walking differ between a group diagnosed with FAI and those with no symptoms of FAI. Study Design: Controlled laboratory study...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29756497/relationship-between-muscular-and-bony-anatomy-in-native-hips-a-theoretical-background-for-approach-specific-implant-positioning
#7
Doruk Akgün, Philipp von Roth, Tobias Winkler, Carsten Perka, Adam Trepczynski, Bernd Preininger
INTRODUCTION: The aim of this study was to analyse the relationship between bony joint orientation and the distribution of hip musculature. METHODS: The bone anatomy of the hip (femoral antetorsion (AT), acetabular anteversion (AV), and combined anteversion (AV/AT)) and the muscle volume of the gluteal muscles and the tensor fasciae latae were analysed bilaterally using computed tomography data of 49 patients. Muscle force direction (MFD) was determined for each muscle...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29753876/electromyographic-study-of-hip-muscles-involved-in-total-hip-arthroplasty-surprising-results-using-the-direct-anterior-minimally-invasive-approach
#8
Jules Bernard, Fredson Razanabola, Julien Beldame, Stéphane Van Driessche, Helena Brunel, Thomas Poirier, Jean Matsoukis, Fabien Billuart
BACKGROUND: The functional and clinical benefit of minimally invasive total hip arthroplasty (THA) is well-known, but the literature reports impaired gait and posture parameters as compared to the general population, especially following use of the anterior minimally invasive approach, which has more severe impact on posture than the posterior approach. The reasons for this impairment, however, remain unexplained. We therefore conducted a surface electromyography (sEMG) study of the hip muscles liable to be affected by arthroplasty surgery: gluteus maximus (GMax), gluteus medius (GMed, tensor fasciae latae (TFL), and sartorius (S)...
May 10, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29744524/-defect-coverage-using-gluteal-flaps
#9
REVIEW
T R Mett, M K Boyce, R Ipaktchi, P M Vogt
OBJECTIVE: Gluteal skin, fasciocutaneous and myocutaneous flaps can be used to cover decubitus ulcers in the sacral and ischiocrural area. INDICATIONS: Decubitus ulcers in the sacral or ischial area that do not heal after exhausted conservative therapy. CONTRAINDICATIONS: Moribund patients who are very likely to suffer a life-threatening complication. Non-cooperative patients who cannot follow the postoperative recommendations. The presence of extensive scars after previous operations in the donor area or irradiation of the donor area which may compromise the flap perfusion...
May 9, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29740557/hip-and-trunk-muscles-activity-during-nordic-hamstring-exercise
#10
Shideh Narouei, Atsushi Imai, Hiroshi Akuzawa, Kiyotaka Hasebe, Koji Kaneoka
The nordic hamstring exercise (NHE) is a dynamic lengthening hamstring exercise that requires trunk and hip muscles activation. Thigh muscles activation, specifically hamstring/quadriceps contractions has been previously examined during NHE. Trunk and hip muscles activity have not been enough studied. The aim of this study was to analyze of hip and trunk muscles activity during NHE. Surface electromyography (EMG) and kinematic data were collected during NHE. Ten healthy men with the age range of 21-36 years performed two sets of two repetitions with downward and upward motions each of NHE...
April 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29740556/effects-of-abdominal-hollowing-and-abdominal-bracing-during-side-lying-hip-abduction-on-the-lateral-rotation-and-muscle-activity-of-the-pelvis
#11
Dong-Woo Kim, Tae-Ho Kim
It is important that compensatory lateral movement of the pelvis does not occur during side-lying hip abduction (SHA). The purpose of the present study is to investigate the effects of abdominal hollowing and abdominal bracing during SHA on pelvic lateral rotation (PLR) and the electromyography activity of the gluteus medius, quadratus lumborum (QL), external oblique abdominis (EO) and internal oblique abdominis (IO). A total of 22 healthy male adults participated in the study. The subjects performed three conditions in side-lying in random order: SHA with abdominal hollowing (SHA-AH), SHA with abdominal bracing (SHA-AB), and SHA without any condition (SHA-WC)...
April 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29740105/distributed-representation-of-pelvic-floor-muscles-in-human-motor-cortex
#12
Moheb S Yani, Joyce H Wondolowski, Sandrah P Eckel, Kornelia Kulig, Beth E Fisher, James E Gordon, Jason J Kutch
Human motor cortex can activate pelvic floor muscles (PFM), but the motor cortical representation of the PFM is not well characterized. PFM representation is thought to be focused in the supplementary motor area (SMA). Here we examine the degree to which PFM representation is distributed between SMA and the primary motor cortex (M1), and how this representation is utilized to activate the PFM in different coordination patterns. We show that two types of coordination patterns involving PFM can be voluntarily accessed: one activates PFM independently of synergists and a second activates PFM prior to and in proportion with synergists (in this study, the gluteus maximus muscle - GMM)...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29731874/skeletal-muscle-metastases-from-papillary-and-follicular-thyroid-carcinomas-an-extensive-review-of-the-literature
#13
Leszek Herbowski
Skeletal muscle metastasis of papillary or follicular thyroid cancer (PTC/FTC) is a rare finding; only 11 cases of skeletal muscle PTC or FTC metastasis have been included in medical literature reviews. The aim of this study was to identify all published cases of PTC and FTC muscle metastases and derive the true incidence of this malignancy. The probability of detecting the skeletal muscle metastasis of PTC and FTC was calculated based on epidemiological data. Databases of scientific literature on the Internet were searched for articles using relevant key words...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29728835/muscle-tendon-related-abnormalities-detected-by-ultrasonography-are-common-in-symptomatic-hip-dysplasia
#14
Julie Sandell Jacobsen, Lars Bolvig, Per Hölmich, Kristian Thorborg, Stig Storgaard Jakobsen, Kjeld Søballe, Inger Mechlenburg
INTRODUCTION: Hip dysplasia is characterized by reduced acetabular coverage of the femoral head leading to an increased mechanical load on the hip joint and the acting hip muscles. Potentially, the muscles and tendons functioning close to the hip joint may present with overuse-related ultrasonography findings. The primary aim was to report the prevalence of muscle-tendon-related abnormalities detected by ultrasonography in 100 patients with symptomatic hip dysplasia. The secondary aim was to investigate correlations between muscle-tendon-related abnormalities detected by ultrasonography and clinically identified pain related to muscles and tendons...
May 4, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29706723/electromyographic-activity-of-selected-trunk-core-and-thigh-muscles-in-commonly-used-exercises-for-acl-rehabilitation
#15
Omid A Khaiyat, Jessica Norris
[Purpose] Most of rehabilitation programmes for Anterior Cruciate Ligament (ACL) injury focus on quadriceps-hamstrings activation imbalances and less is known about kinetically linked muscles. This study investigated electromyographic activity of selected trunk, core, and thigh muscles during common rehabilitation exercises for ACL injury. [Subjects and Methods] Twelve active female volunteers participated in this cross-sectional laboratory study. Surface EMG was used to compare activation of eight trunk, hip/core, and lower limb muscles: Erector Spinae (ES), Rectus Abdominis (RA), Gluteus Maximus (GM), Vastus Lateralis (VL), Rectus Femoris (RF), Vastus Medialis (VM), Biceps Femoris (BF), and Semitendinosus (ST) during Forward Lunge, Double Leg Raise, Glute Bridge, Sit-Up, and Squat...
April 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29705465/trunk-and-hip-muscle-activation-during-yoga-poses-do-sex-differences-exist
#16
Lori A Bolgla, Leonard Amodio, Kristen Archer, Jillian Estes, Rachelle Leung, Katherine Magoni, Alyssa Mullikin, Dylan Roberts, Mekenzie Weems, Debra Beazley
OBJECTIVE: To compare core activation during yoga between males and females. METHODS: Surface electromyography was used to quantify rectus abdominis (RA), abdominal obliques (AO), lumbar extensors (LE), and gluteus maximus (GMX) activation during four yoga poses. Data were expressed as 100% of a maximum voluntary isometric contraction. Mixed-model 2 × 2 analyses of variance with repeated measures were used to determine between-sex differences in muscle activity...
May 2018: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/29705166/differences-in-knee-and-hip-adduction-and-hip-muscle-activation-in-runners-with-and-without-iliotibial-band-syndrome
#17
Robert L Baker, Richard B Souza, Mitchell J Rauh, Michael Fredericson, Michael D Rosenthal
BACKGROUND: Iliotibial Band Syndrome has been associated with altered hip and knee kinematics in runners. Prior studies have recommended further research on neuromuscular factors at the hip. The frontal plane hip muscles have been a strong focus in strength comparison, but not for electromyography investigation. OBJECTIVE: To compare hip surface electromyography, and frontal plane hip and knee kinematics, in runners with and without iliotibial band syndrome. DESIGN: Observational cross sectional study, 30 participants were tested for motion capture at the hip and knee and muscle activation in the lateral and posterior hip...
April 26, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29700560/greater-fear-of-reinjury-is-related-to-stiffened-jump-landing-biomechanics-and-muscle-activation-in-women-after-acl-reconstruction
#18
Stephanie M Trigsted, Dane B Cook, Kristen A Pickett, Lisa Cadmus-Bertram, Warren R Dunn, David R Bell
PURPOSE: Fear of reinjury is an important factor in determining who returns to sport following anterior cruciate ligament reconstruction (ACLR). Evidence from other musculoskeletal injuries indicates fear of reinjury may be related to stiffened movement patterns observed in individuals following ACLR. The relationship between fear of reinjury and performance on dynamic tasks, however, has not been investigated. Therefore, the purpose of this study was to investigate the relationship between fear of reinjury and jump-landing biomechanics...
April 26, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29686482/accuracy-and-safety-of-dry-needle-placement-in-the-piriformis-muscle-in-cadavers
#19
Gary Kearns, Kerry K Gilbert, Brad Allen, Phillip S Sizer, Jean-Michel Brismée, Timothy Pendergrass, Micah Lierly, Deborah York
Objectives: The purpose of this anatomic investigation is to (1) establish accuracy of dry needle placement into the medial third of the piriformis muscle as it exits the pelvis from the greater sciatic notch in unembalmed cadaveric specimens, while avoiding puncture of the sciatic nerve, and (2) establish guidelines for dry needle length selection. Methods: Dry needles were placed in nineteen unembalmed cadaveric posterior hips. Dissection of the posterior hip musculature was performed to confirm location of the needle...
May 2018: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/29686165/-chronic-low-back-pain-associated-with-gluteus-medius-muscle-a-case-report
#20
Kazunori Oda, Kyongsong Kim, Rinko Kokubo, Daijiro Morimoto, Takao Kitamura, Toyohiko Isu, Akio Morita
The clinical features and etiology of low back pain(LBP)and buttock pain(BuP)has been poorly understood. We report a case of long-term BuP that was successfully treated with gluteus medius muscle(GMeM)decompression under local anesthesia. A 71-year-old man was referred to our hospital because of long-term BuP and claudication. Left BuP that radiated to the left thigh was observed. The pain was mostly triggered by palpation at the middle of the iliac crest and greater trochanter. Lumbar and pelvic radiograms showed no significant lesions...
April 2018: No Shinkei Geka. Neurological Surgery
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