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https://www.readbyqxmd.com/read/28813883/development-of-a-series-wrapping-cam-mechanism-for-energy-transfer-in-wearable-arm-support-applications
#1
Jeremiah S Schroeder, Joel C Perry
An estimated 17 million individuals suffer a stroke each year with over 5 million resulting in permanent disability. For many of these, the provision of gravity support to the impaired upper limb can provide significant and immediate improvement in arm mobility. This added mobility has the potential to improve arm function and user independence overall, but, so far, wearable arm supports have found only limited uptake by end-users. The reasons are unclear, but it is hypothesized that device uptake is strongly affected by aspects of arm support implementation such as added weight and volume and the effectiveness of the support provided...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28766602/understanding-water-structure-from-raman-spectra-of-isotopic-substitution-h2o-d2o-up-to-573-k
#2
Qingcheng Hu, Haiwen Zhao, Shunli Ouyang
The OH/OD stretch band on Raman spectra of water is complex, and understanding the spectral features based on water structure needs further study. This study investigates Raman spectra of isotopic substitution (IS) of water (with volume ratio VH2O/VD2O of 0/1, 1/4, 1/1, 4/1 and 1/0) at temperatures from 303 to 573 K. The data show that the OH and OD stretch band profiles are similar in their dependences on temperature and IS ratio. IS reduces the band widths at low temperatures but the reducing effect diminishes above ∼450 K, due to the largely enhanced intensity of the high-frequency shoulder (∼3650 cm(-1)/2690 cm(-1)), which turns into the main peak for the OH (or OD) stretch bands when VH2O/VD2O (or VD2O/VH2O) reaches 1/4 at temperatures over ∼510 K...
August 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28751255/modification-of-spastic-stretch-reflexes-at-the-elbow-by-flexion-synergy-expression-in-individuals-with-chronic-hemiparetic-stroke
#3
Jacob G McPherson, Arno H A Stienen, Justin M Drogos, Julius P A Dewald
OBJECTIVE: To systematically characterize the impact of flexion synergy expression on the manifestation of elbow flexor stretch reflexes post-stroke, and to relate these findings to elbow flexor stretch reflexes in individuals without neurological injury. DESIGN: Controlled cohort study. SETTING: Academic medical center. PARTICIPANTS: Ten individuals with chronic hemiparetic stroke and a convenience sample of 10 individuals without neurological or musculoskeletal injury...
July 24, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28741202/a-user-centred-approach-to-developing-bwell-a-mobile-app-for-arm-and-shoulder-exercises-after-breast-cancer-treatment
#4
Helena Harder, Patrick Holroyd, Lynn Burkinshaw, Phil Watten, Charles Zammit, Peter R Harris, Anna Good, Val Jenkins
PURPOSE: The study aim was to develop a mobile application (app) supported by user preferences to optimise self-management of arm and shoulder exercises for upper-limb dysfunction (ULD) after breast cancer treatment. METHODS: Focus groups with breast cancer patients were held to identify user needs and requirements. Behaviour change techniques were explored by researchers and discussed during the focus groups. Concepts for content were identified by thematic analysis...
July 24, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28731885/effectiveness-of-a-posterior-shoulder-stretching-program-on-university-level-overhead-athletes-randomized-controlled-trial
#5
Judy C Chepeha, David J Magee, Martin Bouliane, David Sheps, Lauren Beaupre
OBJECTIVE: To determine whether a posterior shoulder stretch was effective in increasing internal rotation (IR) and horizontal adduction (HAd) range of motion (ROM) in overhead athletes identified as having reduced mobility. DESIGN: Randomized controlled trial (parallel design). SETTING: University-based sports medicine clinic. PARTICIPANTS: Thirty-seven university-level athletes in volleyball, swimming, and tennis, with IR ROM deficits ≥15°, were randomized into intervention or control groups...
July 14, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28719982/deep-friction-massage-versus-steroid-injection-in-the-treatment-of-lateral-epicondylitis
#6
Rosemary Yi, Walter W Bratchenko, Virak Tan
BACKGROUND: The aim of the study was to determine the efficacy of deep friction massage in the treatment of lateral epicondylitis by comparing outcomes with a control group treated with splinting and therapy and with an experimental group receiving a local steroid injection. METHODS: A randomized clinical trial was conducted to compare outcomes after recruitment of consecutive patients presenting with lateral epicondylitis. Patients were randomized to receive one of 3 treatments: group 1: splinting and stretching, group 2: a cortisone injection, or group 3: a lidocaine injection with deep friction massage...
February 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28709767/obstetrical-brachial-plexus-palsy
#7
Patricia O'Berry, Mackenzie Brown, Leslie Phillips, Sarah Helen Evans
Obstetrical brachial plexus palsy is a disorder of the peripheral nervous system and occurs in as many as 0.4% of infants born. It is associated with shoulder dystocia, use of mechanical extraction, and macrosomia; it occurs more frequently in infants born by vaginal delivery. The unilateral injury to the brachial plexus complex occurs during the delivery phase as lateral traction is applied to the head to permit shoulder clearance. The infant typically presents in the delivery room with decreased active movements of the affected arm and asymmetrical primitive reflex responses...
July 11, 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28701024/management-of-axillary-web-syndrome-after-breast-cancer-evidence-based-practice
#8
Clarissa Medeiros da Luz, Julia Deitos, Thais Cristina Siqueira, Marina Palú, Ailime Perito Feiber Heck
Axillary web syndrome is characterized as a physical-functional complication that impacts the quality of life of women who have undergone treatment for breast cancer. The present study aims to verify the physiotherapy treatment available for axillary web syndrome after surgery for breast cancer in the context of evidence-based practice. The selection criteria included papers discussing treatment protocols used for axillary web syndrome after treatment for breast cancer. The search was performed in the MEDLINE, Scopus, PEDro and LILACS databases using the terms axillary web syndrome, lymphadenectomy and breast cancer, focusing on women with a previous diagnosis of breast cancer who underwent surgery with lymphadenectomy as part of their treatment...
July 12, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28684232/acute-effect-and-time-course-of-extension-and-internal-rotation-stretching-of-the-shoulder-on-infraspinatus-muscle-hardness
#9
Ken Kusano, Satoru Nishishita, Masatoshi Nakamura, Hiroki Tanaka, Jun Umehara, Noriaki Ichihashi
BACKGROUND: A decrease in flexibility of the infraspinatus muscle causes limitations in the range of shoulder motion. Static stretching (SS) is a useful method to improve muscle flexibility and joint mobility. Previous researchers investigated effective stretching methods for the infraspinatus. However, few researchers investigated the acute effect of SS on the infraspinatus muscle's flexibility. In addition, the minimum SS time required to increase the infraspinatus muscle's flexibility remains unclear...
July 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28652066/effects-of-scapular-stabilization-exercise-training-on-scapular-kinematics-disability-and-pain-in-subacromial-impingement-a-randomized-controlled-trial
#10
Elif Turgut, Irem Duzgun, Gul Baltaci
OBJECTIVE: To investigate the effects of two different exercise programs on three-dimensional scapular kinematics, disability, and pain in participants with subacromial impingement syndrome (SIS). DESIGN: Randomized controlled trial. SETTING: Outpatient clinic and research laboratory. PARTICIPANTS: Thirty participants who were diagnosed with SIS and who also exhibited scapular dyskinesis. INTERVENTIONS: The participants were randomized in two different exercise groups: 1) shoulder girdle stretching and strengthening with additional scapular stabilization exercises based on a kinetic chain approach (intervention group), and 2) shoulder girdle stretching and strengthening exercises only (control group)...
June 23, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28619447/similar-movements-are-associated-with-drastically-different-muscle-contraction-velocities
#11
Daniel A Hagen, Francisco J Valero-Cuevas
We investigated how kinematic redundancy interacts with the neurophysiological control mechanisms required for smooth and accurate, rapid limb movements. Biomechanically speaking, tendon excursions are over-determined because the rotation of few joints determines the lengths and velocities of many muscles. But how different are the muscle velocity profiles induced by various, equally valid hand trajectories? We used an 18-muscle sagittal-plane arm model to calculate 100,000 feasible shoulder, elbow, and wrist joint rotations that produced valid basketball free throws with different hand trajectories, but identical initial and final hand positions and velocities...
July 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28552824/functional-recovery-following-early-mobilization-after-middle-third-clavicle-osteosynthesis-for-acute-fractures-or-nonunion-a-case-control-study
#12
A Lädermann, S Abrassart, P J Denard, J Tirefort, A Nowak, A J Schwitzguebel
BACKGROUND: Good outcomes have been reported after surgical treatment for acute or nonunion of displaced midshaft clavicle fractures. However, the postoperative rehabilitation and timeline for a complete functional recovery are poorly documented. The purpose of the current study was to evaluate the efficacy of an immediate motion protocol following plate fixation of a midshaft clavicle fracture and to compare functional recovery between acute and nonunion cases. METHODS: Between October 2011 and July 2015, all patients above the age of 18, having either an acute or a nonunion of the midshaft clavicle fracture, were considered as potentially eligible for inclusion in this prospective case-control study...
May 25, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28527394/elucidation-of-penetration-enhancement-mechanism-of-emu-oil-using-ftir-microspectroscopy-at-emira-laboratory-of-sesame-synchrotron
#13
Randa S H Mansour, Alsayed A Sallam, Imad I Hamdan, Enam A Khalil, Ibraheem Yousef
It has been proposed that Emu oil possesses skin permeation-enhancing effect. This study aimed to address its possible penetration enhancement mechanism(s) using IR microscopy, in accordance with LPP theory. The penetration of Emu oil through the layers of human skin was accomplished by monitoring oil-IR characteristic feature at 3006cm(-1). The unsaturated components of Emu oil accumulated at about 270μm depth of skin surface. The interaction of Emu oil with lipid and protein constituents of SC was investigated in comparison with a commonly used enhancer, IPM...
May 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28526422/temporary-ipsilateral-stiff-shoulder-after-operative-fixation-of-distal-radial-fractures
#14
Soo Min Cha, Hyun Dae Shin, Sung Jin Hwang
BACKGROUND: This study was conducted to identify variables affecting the development of temporary stiff shoulder after operative fixation for distal radial fractures (DRF). MATERIALS AND METHODS: The study retrospectively analyzed 167 patients who had undergone internal fixation using volar locking plate for DRF between 2010 and 2013. Group 1 was denoted as the "normal group," and group 2 was denoted as the "stiff shoulder group." Basic demographic factors evaluated included age, sex, bone mineral density (BMD), and the dominancy...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28497963/ir-spectra-of-n-bu4m-m-si-ge-sn-pb-n-buaupph3-d15-and-n-bu-on-a-gold-surface
#15
Jiří Kaleta, Lucie Bednárová, Martina Čížková, Jin Wen, Eva Kaletová, Josef Michl
Observed and DFT-calculated IR spectra of n-Bu4M (M = Si, Ge, Sn, Pb), (CH3CH2CH2(13)CD2)4Sn, and n-BuAuPPh3-d15 are reported and assigned. The asymmetric CH stretching vibration of the CH2 group adjacent to the metal atom appears as a distinct shoulder at ∼2934 cm(-1), whereas for other CH2 groups it is located at ∼2922 cm(-1). The characteristic peak at ∼2899 cm(-1) is attributed to an overtone of a symmetric CH2 bend at ∼1445 cm(-1). In n-BuAuPPh3-d15, the CH stretching vibrations of the butyl group are shifted to lower frequencies by ∼10 cm(-1), and two possible rationalizations are offered...
June 8, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28466419/group-based-exercise-at-workplace-short-term-effects-of-neck-and-shoulder-resistance-training-in-video-display-unit-workers-with-work-related-chronic-neck-pain-a-pilot-randomized-trial
#16
Giuseppa M Caputo, Mauro Di Bari, José Naranjo Orellana
Effectiveness of exercise therapy in video display unit (VDU) workers with work-related chronic neck pain (W-RCNP) is unclear. The aim of the study was to assess the efficacy of group-based neck-shoulder resistance exercises on symptoms and muscular function in VDU workers with W-RCNP. Thirty-five employees with CNP were randomly assigned to neck-shoulder resistance exercise (NSRE) group or to conventional stretching and postural exercise (SPE) group. Participants trained 45 min, twice a week for 7 weeks...
May 2, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28402756/effectiveness-of-manual-therapy-and-stretching-for-baseball-players-with-shoulder-range-of-motion-deficits
#17
RANDOMIZED CONTROLLED TRIAL
Lane B Bailey, Charles A Thigpen, Richard J Hawkins, Paul F Beattie, Ellen Shanley
BACKGROUND: Baseball players displaying deficits in shoulder range of motion (ROM) are at increased risk of arm injury. Currently, there is a lack of consensus regarding the best available treatment options to restore shoulder ROM. HYPOTHESIS: Instrumented manual therapy with self-stretching will result in clinically significant deficit reductions when compared with self-stretching alone. STUDY DESIGN: Controlled laboratory study. METHODS: Shoulder ROM and humeral torsion were assessed in 60 active baseball players (mean age, 19 ± 2 years) with ROM deficits (nondominant - dominant, ≥15°)...
May 2017: Sports Health
https://www.readbyqxmd.com/read/28345616/shoulder-stretching-intervention-reduces-the-incidence-of-shoulder-and-elbow-injuries-in-high-school-baseball-players-a-time-to-event-analysis
#18
Hitoshi Shitara, Atsushi Yamamoto, Daisuke Shimoyama, Tsuyoshi Ichinose, Tsuyoshi Sasaki, Noritaka Hamano, Akira Ueno, Fumitaka Endo, Atsufumi Oshima, Hideo Sakane, Masahiro Tachibana, Yusuke Tomomatsu, Tsuyoshi Tajika, Tsutomu Kobayashi, Toshihisa Osawa, Haku Iizuka, Kenji Takagishi
We prospectively evaluated the effects of a prevention program on the incidence of shoulder and elbow injuries in high school baseball pitchers. Ninety-two pitchers participated in this study and were taught to perform stretching and strength exercises aimed at improving shoulder external rotation strength in the preseason. The pitchers freely chose to participate in one of four groups [SM-group: performed both exercises, S-group: performed stretching exercise only, M-group: performed strength training only, and N-group: performed neither intervention]...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28257617/examination-of-the-validity-of-a-clinical-prediction-rule-to-identify-patients-with-shoulder-pain-likely-to-benefit-from-cervicothoracic-manipulation
#19
RANDOMIZED CONTROLLED TRIAL
Paul E Mintken, Amy W McDevitt, Lori A Michener, Robert E Boyles, Amber R Beardslee, Scott A Burns, Matthew D Haberl, Lauren A Hinrichs, Joshua A Cleland
Study Design Secondary analysis of a randomized controlled trial. Background Prognostic variables identifying patients with shoulder pain who are likely to respond to cervicothoracic manipulation have been reported; however, they have yet to be validated. Objective To examine the validity of previously reported prognostic variables in predicting which patients with shoulder pain will respond to cervicothoracic manipulation. Methods Participants (n = 140) with a report of shoulder pain were randomly assigned to receive either 2 sessions of range-of-motion exercises plus 6 sessions of stretching and strengthening exercises (exercise group), or 2 sessions of cervicothoracic manipulation and range-of-motion exercises followed by 6 sessions of stretching and strengthening exercise (manipulative-therapy-plus-exercise group)...
April 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28255565/defining-the-long-toss-a-professional-baseball-epidemiological-study
#20
Austin V Stone, Sandeep Mannava, Anita Patel, Alejandro Marquez-Lara, Michael T Freehill
BACKGROUND: Despite widespread use of long-toss throwing in baseball as a component of arm conditioning, interval throwing programs, and rehabilitation, long-toss distance and throwing mechanics remain controversial. PURPOSE: To ascertain the perceived definition of long-toss throwing through a survey of professional pitchers, pitching coaches (PCs), and certified athletic trainers (ATCs) associated with Major League Baseball. STUDY DESIGN: Descriptive epidemiology study...
February 2017: Orthopaedic Journal of Sports Medicine
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