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https://www.readbyqxmd.com/read/28647814/the-effects-of-variable-practice-on-locomotor-adaptation-to-a-novel-asymmetric-gait
#1
Jacob W Hinkel-Lipsker, Michael E Hahn
Very little is known about the effects of specific practice on motor learning of predictive balance control during novel bipedal gait. This information could provide an insight into how the direction and magnitude of predictive errors during acquisition of a novel gait task influence transfer of balance control, as well as yield a practice protocol for the restoration of balance for those with locomotor impairments. This study examined the effect of a variable practice paradigm on transfer of a novel asymmetric gait pattern in able-bodied individuals...
June 24, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28645768/robot-assisted-training-for-people-with-spinal-cord-injury-a-meta-analysis
#2
REVIEW
Eddy Yy Cheung, Thomas Kw Ng, Kevin Kk Yu, Rachel Lc Kwan, Gladys Ly Cheing
OBJECTIVE: To investigate the effects of robotic-assisted training on the recovery of people with spinal cord injury (SCI). DATA SOURCE: Randomized controlled trials (RCTs) or quasi-RCTs involving people with SCI that compared robotic-assisted upper limbs or lower limbs training to a control of other treatment approach or no treatment. We included studies involving people with complete or incomplete spinal cord injuries. STUDY SELECTION: We searched in Medline, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Cochrane Central Register of Controlled Trials (Cochrane Library) and Excerpta Medica dataBASE (EMBASE) to August, 2016...
June 20, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28645496/determining-the-best-percent-predicted-equation-for-estimated-vo2-peak-by-a-1-km-moderate-perceptually-regulated-treadmill-walk-to-predict-mortality-in-outpatients-with-cardiovascular-disease
#3
Giovanni Grazzi, Gianni Mazzoni, Jonathan Myers, Luciano Codecà, Giovanni Pasanisi, Simona Mandini, Massimo Piepoli, Stefano Volpato, Francesco Conconi, Giorgio Chiaranda
OBJECTIVES: To determine the prognostic ability of established percent-predicted equations of peak oxygen consumption (%PRED) estimated by a moderate submaximal walking test in a large cohort of outpatients with cardiovascular disease (CVD). DESIGN: Population-based prospective study. METHODS: A total of 1442 male patients aged 25-85 years at baseline, underwent a moderate perceptually-regulated (11-13 on the 6-20 Borg scale) treadmill walk (1k-TWT) for peak oxygen consumption estimation (VO2 peak)...
June 8, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28644244/effects-of-the-integration-of-dynamic-weight-shifting-training-into-treadmill-training-on-walking-function-of-children-with-cerebral-palsy-a-randomized-controlled-study
#4
Ming Wu, Janis Kim, Pooja Arora, Deborah J Gaebler-Spira, Yunhui Zhang
OBJECTIVE: The aim of the study was to determine whether applying an assistance force to the pelvis and legs during treadmill training can improve walking function in children with cerebral palsy. DESIGN: Twenty-three children with cerebral palsy were randomly assigned to the robotic or treadmill only group. For participants who were assigned to the robotic group, a controlled force was applied to the pelvis and legs during treadmill walking. For participants who were assigned to the treadmill only group, manual assistance was provided as needed...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28643899/lack-of-adaptation-during-prolonged-split-belt-locomotion-in-the-intact-and-spinal-cat
#5
Victoria Kuczynski, Alessandro Telonio, Yann Thibaudier, Marie-France Hurteau, Charline Dambreville, Etienne Desrochers, Adam Doelman, Tayler Ross, Alain Frigon
In humans, gait adapts to prolonged walking on a split-belt treadmill, where one leg steps faster than the other, by gradually restoring the symmetry of interlimb kinematic variables, such as double support periods and step lengths, and by reducing muscle activity (EMG, electromyography). The adaptation is also characterized by reversing the asymmetry of interlimb variables observed during the early split-belt period when returning to tied-belt locomotion, termed an after-effect. To determine if cats adapt to prolonged split-belt locomotion and to assess if spinal locomotor circuits participate in the adaptation, we measured interlimb variables and EMG in intact and spinal-transected cats before, during and after 10 min of split-belt locomotion...
June 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28641172/the-impact-of-speed-and-time-on-gait-dynamics
#6
Kathleen S Thomas, Daniel M Russell, Bonnie L Van Lunen, Sheri R Colberg, Steven Morrison
To determine the effects of speed on gait previous studies have examined young adults walking at different speeds; however, the small number of strides may have influenced the results. The aim of this study was to investigate the immediate and long-term impact of continuous slow walking on the mean, variability and structure of stride-to-stride measures. Fourteen young adults walked at a constant pace on a treadmill at three speeds (preferred walking speed (PWS), 90% and 80% PWS) for 30 min each. Spatiotemporal gait parameters were computed over six successive 5-min intervals...
June 19, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28641058/acute-kinematics-changes-in-marathon-runners-using-different-footwear
#7
Tania Socorro Amorim Soares, Camila Fonseca de Oliveira, Federico Pizzuto, Rui Manuel Garganta, João Paulo Vila-Boas, Mario Casimiro da Anunciação Paiva
The effects of running with or without shoes on injury prevention have been extensively studied, and several investigations have assessed biomechanical differences between them. However, findings are not consensual and further insights on biomechanical load associated with differently shod or barefoot conditions may be needed. This study aimed to observe if habitually shod marathon runners show acute alterations when running barefoot or with minimalist shoes, and to determine whether the running kinematical adaptations of wearing minimalist shoes were similar to barefoot running...
June 22, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28640769/physiological-profile-and-activity-pattern-of-minor-gaelic-football-players
#8
Bryan D Cullen, Mark T Roantree, Andrew L McCarren, David T Kelly, Paul L OʼConnor, Sarah M Hughes, Pat G Daly, Niall M Moyna
Cullen, BD, Roantree, M, McCarren, A, Kelly, DT, O'Connor, PL, Hughes, SM, Daly, PG, and Moyna1, NM. Physiological profile and activity pattern of minor Gaelic football players. J Strength Cond Res 31(7): 1811-1820, 2017-The purpose of this study was to evaluate the physiological profile and activity pattern in club- and county-level under-18 (U-18) Gaelic football players relative to playing position. Participants (n = 85) were analyzed during 17 official 15-a-side matches using global positioning system technology (SPI Pro X II; GPSports Systems, Canberra, Australia) and heart rate (HR) telemetry...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28640077/improvement-of-peripheral-artery-disease-with-sildenafil-and-bosentan-combined-therapy-in-a-patient-with-limited-cutaneous-systemic-sclerosis-a-case-report
#9
Loukman Omarjee, Cedric Fontaine, Guillaume Mahe, Vincent Jaquinandi
RATIONALE: Sildenafil, a phosphodiesterase-5-inhibitor and Bosentan, an endothelin-1-receptor antagonist combined therapy could have beneficial effect in systemic sclerosis (SSc) patients with peripheral artery disease. PATIENT CONCERNS: We report a case of a 48-year-old Black woman, who developed severe left limb claudication and walking limitation following a left femoropopliteal bypass occlusion in 2014. She was a heavy smoker and had a history of right middle cerebral artery ischemic stroke and bilateral Raynaud phenomenon...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28636434/selective-breeding-and-short-term-access-to-a-running-wheel-alter-stride-characteristics-in-house-mice
#10
Gerald C Claghorn, Zoe Thompson, Jarren C Kay, Genesis Ordonez, Thomas G Hampton, Theodore Garland
Postural and kinematic aspects of running may have evolved to support high runner (HR) mice to run approximately threefold farther than control mice. Mice from four replicate HR lines selectively bred for high levels of voluntary wheel running show many differences in locomotor behavior and morphology as compared with four nonselected control (C) lines. We hypothesized that HR mice would show stride alterations that have coadapted with locomotor behavior, morphology, and physiology. More specifically, we predicted that HR mice would have stride characteristics that differed from those of C mice in ways that parallel some of the adaptations seen in highly cursorial animals...
September 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28633795/valgus-ankle-degenerative-arthritis-with-an-isolated-deltoid-insufficiency-and-tibial-varus-a-case-report
#11
Joo-Yul Bae, Hee-Jae Won, Dong-Kyo Seo
We report a case of valgus ankle degenerative arthritis due to chronic isolated deltoid insufficiency combined with tibial varus that was treated successfully with ankle joint preserving surgery. A 63-year-old male complained of right lateral ankle pain with 10 minutes of maximal pain-free walking time. The assessed American Orthopaedic Foot and Ankle ankle-hindfoot scale score was 33 points. The ankle joint showed 18° of valgus deformity with 6° of tibia varus. Medial displacement calcaneal osteotomy, supramalleolar open wedge osteotomy, and deltoid ligament imbrication were performed...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633487/high-intensity-interval-training-hiit-improves-physical-performance-and-frailty-in-aged-mice
#12
Kenneth Ladd Seldeen, Ginger Lasky, Merced Maria Leiker, Manhui Pang, Kirkwood Ely Personius, Bruce Robert Troen
Sarcopenia and frailty are highly prevalent in older individuals, increasing the risk of disability and loss of independence. High intensity interval training (HIIT) may provide a robust intervention for both sarcopenia and frailty by achieving both strength and endurance benefits with lower time commitments than other exercise regimens. To better understand the impacts of HIIT during aging, we compared 24-month-old C57BL/6J sedentary mice with those that were administered 10-minute uphill treadmill HIIT sessions three times per week over 16 weeks...
June 17, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28632593/functional-and-radiographic-outcomes-following-growth-sparing-management-of-early-onset-scoliosis
#13
Charles E Johnston, Dong-Phuong Tran, Anna McClung
BACKGROUND: In this study, we sought to evaluate radiographic, functional, and quality-of-life outcomes of patients who have completed growth-sparing management of early-onset scoliosis. METHODS: This prospective study involved patients with early-onset scoliosis who underwent growth-sparing treatment and either "final" fusion or observation for ≥2 years since the last lengthening procedure. Demographics, radiographic parameters, pulmonary function test (PFT) values, and scores of patient-reported assessments (Early-Onset Scoliosis Questionnaire [EOSQ] and Scoliosis Research Society [SRS]-30) were obtained...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28632106/speed-interactive-treadmill-training-using-smartphone-based-motion-tracking-technology-improves-gait-in-stroke-patients
#14
Junyoung Lee, Kyeongjin Lee, Changho Song
This study was conducted to investigate the effects of speed-interactive treadmill training (SITT) using smartphone-based motion tracking technology on gait in stroke patients. Thirty-four chronic stroke patients were randomly divided into a SITT group (n = 18) and a standard treadmill training (control) group (n = 16). The SITT group underwent smartphone-based SSIT while the control group underwent standard treadmill training. Both groups performed the training for 35 min per session, 3 times per week, for 6 weeks...
March 2, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28632055/muscle-activity-in-sprinting-a-review
#15
Róisín M Howard, Richard Conway, Andrew J Harrison
The use of electromyography (EMG) is widely recognised as a valuable tool for enhancing the understanding of performance drivers and potential injury risk in sprinting. The timings of muscle activations relative to running gait cycle phases and the technology used to obtain muscle activation data during sprinting are of particular interest to scientists and coaches. This review examined the main muscles being analysed by surface EMG (sEMG), their activations and timing, and the technologies used to gather sEMG during sprinting...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28632051/quantifying-coordination-among-the-rearfoot-midfoot-and-forefoot-segments-during-running
#16
Tomoya Takabayashi, Mutsuaki Edama, Erika Yokoyama, Chiaki Kanaya, Masayoshi Kubo
Because previous studies have suggested that there is a relationship between injury risk and inter-segment coordination, quantifying coordination between the segments is essential. Even though the midfoot and forefoot segments play important roles in dynamic tasks, previous studies have mostly focused on coordination between the shank and rearfoot segments. This study aimed to quantify coordination among rearfoot, midfoot, and forefoot segments during running. Eleven healthy young men ran on a treadmill. The coupling angle, representing inter-segment coordination, was calculated using a modified vector coding technique...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28630579/effects-of-exercise-in-the-fasted-and-postprandial-state-on-interstitial-glucose-in-hyperglycemic-individuals
#17
Håvard Nygaard, Bent R Rønnestad, Daniel Hammarström, Gerd Holmboe-Ottesen, Arne T Høstmark
The purpose of the present study was to test if one bout of moderate exercise performed in either the fasted or the postprandial state affects glucose values measured over 22 hours. Twelve participants diagnosed with hyperglycemia not using antidiabetic medications underwent 3 test days in a randomized cross-over design encompassing one test day without exercise, one test day with 60 min of treadmill walking prior to breakfast, and one test day with an identical bout of exercise 30 min after the start of breakfast...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28630571/predictive-variables-of-half-marathon-performance-for-male-runners
#18
Josué Gómez-Molina, Ana Ogueta-Alday, Jesus Camara, Christoper Stickley, José A Rodríguez-Marroyo, Juan García-López
The aims of this study were to establish and validate various predictive equations of half-marathon performance. Seventy-eight half-marathon male runners participated in two different phases. Phase 1 (n = 48) was used to establish the equations for estimating half-marathon performance, and Phase 2 (n = 30) to validate these equations. Apart from half-marathon performance, training-related and anthropometric variables were recorded, and an incremental test on a treadmill was performed, in which physiological (VO2max, speed at the anaerobic threshold, peak speed) and biomechanical variables (contact and flight times, step length and step rate) were registered...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28628551/a-clinical-framework-for-functional-recovery-in-a-person-with-chronic-traumatic-brain-injury-a-case-study
#19
Karen McCain, Staci Shearin
BACKGROUND AND PURPOSE: This case study describes a task-specific training program for gait walking and functional recovery in a young man with severe chronic traumatic brain injury. CASE DESCRIPTION: The individual was a 26-year-old man 4 years post-traumatic brain injury with severe motor impairments who had not walked outside of therapy since his injury. He had received extensive gait training prior to initiation of services. His goal was to recover the ability to walk...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28628259/exercise-prior-to-but-not-concomitant-with-stress-reverses-stress-induced-delayed-skin-wound-healing
#20
Bianca O Saguie, Bruna Romana-Souza, Rayssa L Martins, Andréa Monte-Alto-Costa
Stress-induced prolonged inflammation impairs cutaneous wound healing. Exercise may inhibit this effect via an anti-inflammatory mechanism. Our aim was to investigate the effect of moderate exercise on skin wound healing in chronically stressed mice. Mice were trained five times per week on a treadmill or received no training. Mice underwent daily rotational stress from the 6(th) week until euthanasia. During the 8(th) week, two wounds were created in the dorsum and collected 10 days later. A control group only received wounds...
June 19, 2017: Wound Repair and Regeneration
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