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https://www.readbyqxmd.com/read/28636505/the-effect-of-aerobic-interval-training-and-continuous-training-on-exercise-capacity-and-its-determinants
#1
Nele Pattyn, Paul J Beckers, Véronique A Cornelissen, Ellen Coeckelberghs, Catherine De Maeyer, Geert Frederix, Kaatje Goetschalckx, Nadine Possemiers, Dirk Schepers, Emeline M Van Craenenbroeck, Kurt Wuyts, Viviane M Conraads, Luc Vanhees
Objective We aimed to investigate (1) the effects of aerobic interval training (AIT) and aerobic continuous training (ACT) on (sub)maximal exercise measures and its determinants including endothelial function, muscle strength and cardiac autonomic function, and (2) the relationship between exercise capacity and these determinants. Methods Two-hundred coronary artery disease (CAD) patients (58.4 ± 9.1 years) were randomized to AIT or ACT for 12 weeks. All patients performed a cardiopulmonary exercise test and endothelial function measurements before and after the intervention; a subpopulation underwent muscle strength and heart rate variability (HRV) assessments...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28636440/effects-of-time-to-start-training-after-acute-patellar-tendon-enthesis-injuries-on-healing-of-the-injury-in-a-rabbit-model
#2
Lin Wang, Kaiyu Xiong, Bo Wang, Xiaotian Liang, Haiwei Li, Haitao Liu, Hui He
BACKGROUND: A patellar tendon injury is a common injury in sports. The optimal time to start training after an acute, proximal patellar enthesis injury is still unclear. HYPOTHESIS: The time to start training after an acute, proximal patellar enthesis injury significantly affects healing of the patellar tendon 4 weeks after the injury. STUDY DESIGN: Controlled laboratory study. METHODS: The left hindlimbs of 35 mature female rabbits were randomly assigned to 5 injury groups including a 4-week natural healing group (NH4W) and 4 training groups that started low-intensity training at 24 hours (POST24), 48 hours (POST48), 72 hours (POST72), and 96 hours (POST96) after an acute patellar tendon injury, with 7 limbs in each group...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28635194/volitional-rehabilitative-assessments-in-patients-admitted-in-a-post-intensive-care-step-down-unit-a-feasibility-study
#3
Mara Paneroni, Francesco D' Abrosca, Georges Fokom, Laura Comini, Michele Vitacca
A high variability in functional tests and activities used during the pulmonary rehabilitation has been observed in post-intensive care unit (ICU) patients, and the best battery of tests to adopt has not been described yet. We tested in patients admitted in a post-ICU Step Down Unit the ability to perform the more frequent functional volitional tests. The relations of each single volitional test with general disability and dyspnea at discharge were also evaluated. Ten volitional tests including: bedside spirometry test (ST: FEV1%, FVC%), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), Peak Expiratory Flow during Cough (PCEF), Quadriceps Muscle Strength (QMS), latissimus Dorsi and teres Major Strength (DMS), Brachial biceps Muscle Strength (BMS), effort tolerance measured by sit-to-stand test, Takahashi test and 6-Min Walking Test (6MWT), were evaluated in post-ICU patients at entry and discharge from in-hospital rehabilitation...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28634540/improvement-of-walking-ability-during-postoperative-rehabilitation-with-the-hybrid-assistive-limb-after-total-knee-arthroplasty-a-randomized-controlled-study
#4
Yohei Tanaka, Hiroyuki Oka, Shuichi Nakayama, Takaaki Ueno, Ko Matsudaira, Toshiki Miura, Kiyokazu Tanaka, Sakae Tanaka
OBJECTIVE: We aimed to compare the efficacies of rehabilitation with the hybrid assistive limb and conventional rehabilitation after total knee arthroplasty. MATERIALS AND METHODS: A total of 37 consecutive patients who underwent primary total knee arthroplasty for knee osteoarthritis were enrolled. Seven patients withdrew from the study after randomization, and 30 patients (hybrid assistive limb group: n = 16; conventional group: n = 14) completed the randomized controlled trial...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28632896/reliability-of-a-novel-approach-for-quadriceps-motor-point-assessment
#5
Ada Weiss, Neal R Glaviano, Jacob Resch, Susan Saliba
INTRODUCTION: We studied the ability of clinicians to identify quadriceps motor points using a transcutaneous electrical stimulation unit(TENS). METHODS: Twenty-two certified athletic trainers and one expert-rater identified the seven motor points of the quadriceps at two time points separated by one week. The difference was calculated between where each participant and the expert-rater identified each motor point using an x-y coordinate system. Bland-Altman plots were used to compare differences between two testing sessions...
June 20, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28632661/efficacy-and-limitations-of-conservative-treatment-for-painful-patella-partita-positioning-of-an-ultrasound-accelerated-fracture-healing-apparatus
#6
Natsuki Sugimura, Daisuke Hirose, Koji Aso, Masashi Izumi, Yusuke Okanoue, Kazuo Kitaoka, Masahiko Ikeuchi
OBJECTIVE: Generally, painful patella partita is conservatively treated, but the usefulness of a low-intensity pulsed ultrasound (LIPUS) healing apparatus is unclear. The objective of this study was to investigate the usefulness of LIPUS for conservative treatment of painful patella partita. SUBJECTS AND METHODS: The subjects included 17 patients diagnosed with painful patella partita. The subjects were divided into 2 groups: those without pain at 6 months (responsive group) and those with pain that persisted for 6 months or longer (non-responsive group)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28630577/effects-of-high-velocity-elastic-band-versus-heavy-resistance-training-on-hamstring-strength-activation-and-sprint-running-performance
#7
Donatas Janusevicius, Audrius Snieckus, Albertas Skurvydas, Viktoras Silinskas, Eugenijus Trinkunas, Joan Aureli Cadefau, Sigitas Kamandulis
Hamstring muscle injuries occur during high-speed activities, which suggests that muscular strength at high velocities may be more important than maximal strength. This study examined hamstring adaptations to training for maximal strength and for strength at high velocities. Physically active men (n = 25; age, 23.0 ± 3.2 years) were randomly divided into: (1) a resistance training (RT, n = 8) group, which performed high-load, low-velocity concentric-eccentric hamstring contractions; (2) a resistance training concentric (RTC; n = 9) group, which performed high-load, low-velocity concentric-only hamstring contractions; and (3) a high-velocity elastic band training (HVT, n = 8) group, which performed low-load, high-velocity concentric-eccentric hamstring contractions...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28630574/unilateral-rolling-of-the-foot-did-not-affect-non-local-range-of-motion-or-balance
#8
Lena Grabow, James D Young, Jeannette M Byrne, Urs Granacher, David G Behm
Non-local or crossover (contralateral and non-stretched muscles) increases in range-of-motion (ROM) and balance have been reported following rolling of quadriceps, hamstrings and plantar flexors. Since there is limited information regarding plantar sole (foot) rolling effects, the objectives of this study were to determine if unilateral foot rolling would affect ipsilateral and contralateral measures of ROM and balance in young healthy adults. A randomized within-subject design was used to examine non-local effects of unilateral foot rolling on ipsilateral and contralateral limb ankle dorsiflexion ROM and a modified sit-and-reach-test (SRT)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28629941/does-patella-lowering-improve-crouch-gait-in-cerebral-palsy-comparative-retrospective-study
#9
Eric Desailly, Camille Thévenin-Lemoine, Nejib Khouri
BACKGROUND: Patellalowering aims to improve quadriceps function as a means of correcting crouch gait in patients with cerebral palsy (PC). Few studies have assessed the effects of patella lowering as a component of multilevel surgery. HYPOTHESIS: Including patella lowering into the components of multilevel surgery is beneficial in patients with crouch gait and patella alta. MATERIAL ET METHODS: In 12 lower limbs with patella alta (Caton-Deschamps index >1...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28628370/multiple-joint-exercises-using-elastic-resistance-bands-vs-conventional-resistance-training-equipment-a-cross-over-study
#10
Vegard M Iversen, Paul Jarle Mork, Ottar Vasseljen, Ronny Bergquist, Marius S Fimland
Previous studies indicate that elastic resistance bands (ERB) can be a viable option to conventional resistance-training equipment (CRE) during single-joint resistance exercises, but their efficacy has not been established for several commonly used multiple-joint resistance exercises. Thus, we compared muscular activation levels in four popular multiple-joint exercises performed with ERB (TheraBand(®)) vs. CRE (Olympic barbell or cable pulley machines). In a cross-over design, men and women (n = 29) performed squats, stiff-legged deadlifts, unilateral rows and lateral pulldown using both modalities...
June 19, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28622833/biomechanical-evaluation-of-the-tension-band-wiring-principle-a-comparison-between-two-different-techniques-for-transverse-patella-fracture-fixation
#11
Ivan Zderic, Karl Stoffel, Christoph Sommer, Dankward Höntzsch, Boyko Gueorguiev
PURPOSE: The aim of this study was to investigate the validity of the dynamic compression principle of tension band wiring in two techniques for patella fracture treatment. METHODS: Twelve human cadaveric knees with simulated transverse patella fractures were assigned to two groups for treatment with tension band wiring using either Kirschner (K-) wires or cannulated screws. Biomechanical testing was performed over three knee movement cycles between 90° flexion and 0° full extension...
May 29, 2017: Injury
https://www.readbyqxmd.com/read/28621488/effects-of-intradialytic-neuromuscular-electrical-stimulation-on-strength-and-muscle-architecture-in-patients-with-chronic-kidney-failure-randomized-clinical-trial
#12
Jociane Schardong, Thiago Dipp, Camila Bassani Bozzeto, Marília Godoy da Silva, Gabriela Leivas Baldissera, Raíssa de Castro Ribeiro, Bruna Pan Valdemarca, Alexandre Severo do Pinho, Graciele Sbruzzi, Rodrigo Della Méa Plentz
This study aimed to evaluate the effects of neuromuscular electrical stimulation (NMES) on muscle strength and architecture, functional capacity, and endothelial function in patients with chronic kidney failure (CKF) on hemodialysis (HD). Twenty-one patients with CKF on HD were randomized into a control group (CG; n = 10) and neuromuscular electrical stimulation group (NMESG; n = 11) who received NMES in the quadriceps muscle for 8 weeks, 3 times/week (20-34 min) during HD sessions. The muscle strength of the lower limbs was evaluated by dynamometry and sit-and-stand test (SST); muscle architecture through ultrasonography; functional capacity by the distance covered in a 6-min walk test and the endothelial function by flow-mediated dilatation technique of the brachial artery...
June 16, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28611677/greater-neural-adaptations-following-high-vs-low-load-resistance-training
#13
Nathaniel D M Jenkins, Amelia A Miramonti, Ethan C Hill, Cory M Smith, Kristen C Cochrane-Snyman, Terry J Housh, Joel T Cramer
We examined the neuromuscular adaptations following 3 and 6 weeks of 80 vs. 30% one repetition maximum (1RM) resistance training to failure in the leg extensors. Twenty-six men (age = 23.1 ± 4.7 years) were randomly assigned to a high- (80% 1RM; n = 13) or low-load (30% 1RM; n = 13) resistance training group and completed leg extension resistance training to failure 3 times per week for 6 weeks. Testing was completed at baseline, 3, and 6 weeks of training. During each testing session, ultrasound muscle thickness and echo intensity, 1RM strength, maximal voluntary isometric contraction (MVIC) strength, and contractile properties of the quadriceps femoris were measured...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28610968/comparison-of-the-effect-of-sensory-level-and-conventional-motor-level-neuromuscular-electrical-stimulation-on-quadriceps-strength-after-total-knee-arthroplasty-a-prospective-randomized-single-blind-trial
#14
Yosuke Yoshida, Koki Ikuno, Koji Shomoto
OBJECTIVE: To compare sensory-level neuromuscular electrical stimulation (sNMES) and conventional motor- level neuromuscular electrical stimulation (mNMSE ) in patients after total knee arthroplasty (TKA). DESIGN: A prospective randomized single-blind trial. SETTING: A hospital total arthroplasty center: inpatients. PARTICIPANTS: Patients with osteoarthritis (N=66, 85% women, mean age 73.5±6.3y) were randomized to receive either sNMES applied to the quadriceps (the sNMES group), mNMES (the mNMES group), or no stimulation (the Control group) in addition to a standard rehabilitation program...
June 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28608438/a-randomized-clinical-trial-investigating-the-efficacy-of-targeted-nutrition-as-adjunct-to-exercise-training-in-copd
#15
Coby van de Bool, Erica P A Rutten, Ardy van Helvoort, Frits M E Franssen, Emiel F M Wouters, Annemie M W J Schols
BACKGROUND: Evidence regarding the efficacy of nutritional supplementation to enhance exercise training responses in COPD patients with low muscle mass is limited. The objective was to study if nutritional supplementation targeting muscle derangements enhances outcome of exercise training in COPD patients with low muscle mass. METHODS: Eighty-one COPD patients with low muscle mass, admitted to out-patient pulmonary rehabilitation, randomly received oral nutritional supplementation, enriched with leucine, vitamin D, and omega-3 fatty acids (NUTRITION) or PLACEBO as adjunct to 4 months supervised high intensity exercise training...
June 12, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28607787/ipsilateral-rupture-of-quadriceps-tendon-with-distal-tibia-fracture-a-case-report-and-review-of-the-literature
#16
Samik Banerjee, Timothy P Dooley, James R Parkinson
Traumatic rupture of the quadriceps tendon by itself is not an uncommon clinical condition. However, its association with concurrent ipsilateral closed distal tibia oblique fracture is exceedingly rare with only one previously reported case in English literature. The dual diagnosis of this atypical combination of injury may be masked by pain and immobilization of the more obvious fracture and may be missed, unless the treating physician maintains a high index of suspicion. Suprapatellar knee pain with or without a palpable gap in the quadriceps tendon and inability to straight leg raise in the setting of a distal tibia fracture should raise concern, but if initial treatment employs a long-leg splint the knee symptoms may be muted...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28606458/is-adductor-canal-block-better-than-femoral-nerve-block-in-primary-total-knee-arthroplasty-a-grade-analysis-of-the-evidence-through-a-systematic-review-and-meta-analysis
#17
REVIEW
Ming-Jie Kuang, Jian-Xiong Ma, Lin Fu, Wei-Wei He, Jie Zhao, Xin-Long Ma
BACKGROUND: Total knee arthroplasty (TKA) is associated with intense postoperative pain with a need for early ambulation to gain function and prevent postoperative complications. Compared with femoral nerve block (FNB), adductor canal block (ACB) can relieve postoperative pain and preserve quadriceps muscle strength. This meta-analysis was conducted to investigate which analgesic method provides better pain relief and functional recovery after TKA. METHOD: We conducted a meta-analysis to identify relevant randomized controlled trials involving ACB and FNB after TKA in electronic databases, including Web of Science, Embase, PubMed, and the Cochrane Library, up to November 2016...
May 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28605265/associations-between-individual-lower-limb-muscle-volumes-and-100-m-sprint-time-in-male-sprinters
#18
Norihide Sugisaki, Kai Kobayashi, Hiroyasu Tsuchie, Hiroaki Kanehisa
PURPOSE: To elucidate the relationship between the muscularity of individual lower limb muscles and 100-m race time (t100) in young adult male sprinters. METHODS: A total of 31 young adult male sprinters took part in this study (age, 19.9 ± 1.4 years; height, 173.5 ± 4.6 cm; body mass, 67.0 ± 4.9 kg; t100, 10.23-11.71 s). The cross-sectional images from the origin to insertion of 12 lower limb muscles were obtained with a magnetic resonance imaging (MRI) system...
June 12, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28601942/anatomic-reconstruction-of-the-medial-patellofemoral-ligament-in-children-and-adolescents-using-a-pedicled-quadriceps-tendon-graft-shows-favourable-results-at-a-minimum-of-2-year-follow-up
#19
Manfred Nelitz, Jens Dreyhaupt, Sean Robert March Williams
PURPOSE: In adults, reconstruction of the medial patellofemoral ligament (MPFL) has shown good results. Treatment for recurrent patellar instability in children and adolescents with open growth plates, however, requires alternative MPFL reconstruction techniques. This study presents the outcomes of a minimally invasive technique for anatomic reconstruction of the MPFL in children using a pedicled superficial quadriceps tendon graft, hardware-free patellar graft attachment, and anatomic femoral fixation that spares the distal femoral physis...
June 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28596973/quadriceps-strength-in-patients-with-isolated-cartilage-defects-of-the-knee-results-of-isokinetic-strength-measurements-and-their-correlation-with-clinical-and-functional-results
#20
Anja Hirschmüller, Tasja Andres, Wolfgang Schoch, Heiner Baur, Lukas Konstantinidis, Norbert P Südkamp, Philipp Niemeyer
BACKGROUND: Recent studies have found a significant deficit of maximum quadriceps strength after autologous chondrocyte implantation (ACI) of the knee. However, it is unclear whether muscular strength deficits in patients with cartilage damage exist prior to operative treatment. PURPOSE: To isokinetically test maximum quadriceps muscle strength and quantify the impact of possible strength deficits on functional and clinical test results. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
May 2017: Orthopaedic Journal of Sports Medicine
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