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rate of force development training

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https://www.readbyqxmd.com/read/28645855/training-surgical-residents-with-a-haptic-robotic-central-venous-catheterization-simulator
#1
David F Pepley, Adam B Gordon, Mary A Yovanoff, Katelin A Mirkin, Scarlett R Miller, David C Han, Jason Z Moore
OJECTIVE: Ultrasound guided central venous catheterization (CVC) is a common surgical procedure with complication rates ranging from 5 to 21 percent. Training is typically performed using manikins that do not simulate anatomical variations such as obesity and abnormal vessel positioning. The goal of this study was to develop and validate the effectiveness of a new virtual reality and force haptic based simulation platform for CVC of the right internal jugular vein. DESIGN: A CVC simulation platform was developed using a haptic robotic arm, 3D position tracker, and computer visualization...
June 20, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28619011/to-be-active-through-indoor-climbing-an-exploratory-feasibility-study-in-a-group-of-children-with-cerebral-palsy-and-typically-developing-children
#2
Mark Schram Christensen, Thor Jensen, Camilla B Voigt, Jens Bo Nielsen, Jakob Lorentzen
BACKGROUND: Cerebral Palsy (CP) is the most common cause of motor disabilities in children and young adults and it is also often associated with cognitive and physiological challenges. Climbing requires a multifaceted repertoire of movements, participants at all levels of expertise may be challenged functionally and cognitively, making climbing of great potential interest in (re)habilitation settings. However, until now only few research projects have investigated the feasibility of climbing as a potential activity for heightening physical activity in children with CP and the possible beneficial effects of climbing activities in populations with functional and/or cognitive challenges...
June 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28596267/adaptations-of-motoneuron-properties-after-weight-lifting-training-in-rats
#3
Piotr Krutki, Włodzimierz Mrówczyński, Marcin Bączyk, Dawid Łochyński, Jan Celichowski
Resistance training, with repeated short-term and high-intensity exercises, is responsible for an increase in muscle mass and force. The aim of this study was to determine whether such training induces adaptations in the electrophysiological properties of motoneurons innervating the trained muscles and to relate these adaptive changes to previous observations made on motor unit contractile properties. The study was performed on adult male Wistar rats. Animals from the training group were subjected to a five-week voluntary progressive weight-lifting program, while control rats were restricted to standard cage activity...
June 8, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28595868/impaired-hip-muscle-strength-in-patients-with-femoroacetabular-impingement-syndrome
#4
Signe Kierkegaard, Inger Mechlenburg, Bent Lund, Kjeld Søballe, Ulrik Dalgas
OBJECTIVES: Patients with femoroacetabular impingement (FAI) experience hip pain as well as decreased function and lowered quality of life. The aim was to compare maximal isometric and isokinetic muscle strength (MVC) during hip flexion and extension and rate of force development (RFD) during extension between patients with FAI and a matched reference group. Secondary, the aim was to compare patient hips and subgroups defined by gender and age as well as to investigate associations between hip muscle strength and self-reported outcomes...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28594983/a-facial-trauma-simulation-course-for-evaluation-and-treatment-of-facial-fractures
#5
J Jared Christophel, Stephen S Park, Stephen J Nogan, Garth F Essig
Importance: Traditional facial trauma laboratories are used for teaching basic concepts of fracture reduction and hardware manipulation. Facial trauma simulation laboratories allow training physicians the opportunity to develop unique treatment plans as they would in real patient encounters. Objective: To assess the value of a novel facial trauma simulation course requiring residents to practice advanced decision making. Design, Setting, and Participants: Data were prospectively collected July 23 and August 23 and 24, 2016, in a survey study during a resident physician trauma simulation course...
June 8, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28572499/effect-of-calf-raise-training-on-rapid-force-production-and-balance-ability-in-elderly-men
#6
Ryoichi Ema, Shunsuke Ohki, Hirokazu Takayama, Yuji Kobayashi, Ryota Akagi
This study examined whether home-based, high-speed calf-raise training changes the rate of torque development during plantar flexion contractions and balance performance in elderly men. Thirty-four healthy elderly men (73 ± 5 yr) were randomly assigned to a training or control group (n = 17 in each group). The subjects in the training group completed 8 weeks (3 times/week) of home-based bilateral calf-raise training using body mass. Before and after the intervention, rate of torque development during plantar flexion contractions and center of pressure displacement during single-leg standing were measured...
June 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28557999/treatment-of-aki-in-developing-and-developed-countries-an-international-survey-of-pediatric-dialysis-modalities
#7
Rupesh Raina, Abigail M Chauvin, Timothy Bunchman, David Askenazi, Akash Deep, Michael J Ensley, Vinod Krishnappa, Sidharth Kumar Sethi
HYPOTHESIS: Acute kidney injury (AKI) is a common cause of morbidity and mortality worldwide, with a pediatric incidence ranging from 19.3% to 24.1%. Treatment of pediatric AKI is a source of debate in varying geographical regions. Currently CRRT is the treatment for pediatric AKI, but limitations due to cost and accessibility force use of adult equipment and other therapeutic options such as peritoneal dialysis (PD) and hemodialysis (HD). It was hypothesized that more cost-effective measures would likely be used in developing countries due to lesser resource availability...
2017: PloS One
https://www.readbyqxmd.com/read/28551364/barriers-and-attitudes-to-research-among-residents-in-plastic-and-reconstructive-surgery-a-national-multicenter-cross-sectional-study
#8
The Canadian Plastic Surgery Research, Sarah Al Youha, Becher Alhalabi, Jill Stone, Helene Retrouvey, Osama Samargandi, Johnny Ionut Efanov, Michael Stein, Alexander Morzycki, Haley Augustine, Emilie Bougie, Diana Song, Hollie Power, Julian Diaz-Abele, Caitlin Symonette, Marie Noland, Chris Coroneos, Sophocles Voineskos, Joshua Vorstenbosch, Toni Zhong, Michael Bezuhly, Jason G Williams
OBJECTIVE: Research sets the foundation for developing plastic surgeons who think critically and approach clinical practice with an inquisitive mind. The objective of this study was to characterize current attitudes and perceived barriers towards conducting research during residency. DESIGN: A validated 36-item questionnaire was developed by a national task-force of Canadian plastic surgery trainees. The survey was distributed to all 13 plastic surgery programs in Canada...
May 24, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28544316/negating-the-fulcrum-effect-in-manual-laparoscopic-surgery-investigating-skill-acquisition-with-a-haptic-simulator
#9
Adam J Spiers, Sarah Baillie, Tony G Pipe, George Asimakopolous
BACKGROUND: Manual laparoscopic surgery requires extensive training and familiarization. It has been suggested that motion inversion caused by the 'fulcrum effect' is key to motor challenges. We investigate the potential of a conceptual semi-robotic handheld tool that negates natural inversion. METHODS: A custom laparoscopic simulator with haptic feedback was developed to allow interactive evaluation of the conceptual tool via virtual prototyping, prior to fabricating a physical prototype...
May 23, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28473614/lower-limb-explosive-strength-capacity-in-elderly-women-effects-of-resistance-training-and-healthy-diet
#10
Peter Edholm, Emelie Strandberg, Fawzi Kadi
The effects of 24-weeks of resistance training combined with a healthy diet on lower limb explosive strength capacity were investigated in a population of healthy elderly women. Participants (n=63; 67.5 ± 0.4 yrs) were randomized into three groups; resistance training (RT), resistance training and healthy diet (RT-HD) and control (CON). Progressive resistance training was performed at a load of 75%-85% 1 RM. A major adjustment in the healthy dietary approach was an n-6/n-3 PUFA ratio below 2. Lower limb maximal strength, explosive force capacity during dynamic and isometric movements, whole body lean mass and physical function were assessed...
May 4, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28445230/comparison-between-unilateral-and-bilateral-plyometric-training-on-single-and-double-leg-jumping-performance-and-strength
#11
Gregory C Bogdanis, Athanasios Tsoukos, Olga Kaloheri, Gerasimos Terzis, Panagiotis Veligekas, Lee E Brown
This study compared the effects of unilateral and bilateral plyometric training on single and double-leg jumping performance, maximal strength and rate of force development (RFD). Fifteen moderately trained subjects were randomly assigned to either a unilateral (U, n=7) or bilateral group (B, n=8). Both groups performed maximal effort plyometric leg exercises two times per week for 6 weeks. The B group performed all exercises with both legs, while the U group performed half the repetitions with each leg, so that total exercise volume was the same...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28431618/muscle-strength-and-power-in-persons-with-multiple-sclerosis-a-systematic-review-and-meta-analysis
#12
REVIEW
Mlk Jørgensen, U Dalgas, I Wens, L G Hvid
BACKGROUND: Multiple sclerosis (MS) is a chronic disease in the central nervous system which causes a number of physical symptoms including impairments of muscle mechanical function (muscle strength, muscle power and explosive muscle strength (~rate of force development, RFD)). However, a full overview of the existing knowledge regarding muscle mechanical function in persons with MS (PwMS) is still pending. OBJECTIVES: To systematically review 1) the psychometric properties of isokinetic dynamometry testing in PwMS, and 2) studies comparing muscle mechanical function in PwMS to matched healthy controls (HC)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28426514/comparison-of-the-hang-high-pull-and-loaded-jump-squat-for-the-development-of-vertical-jump-and-isometric-force-time-characteristics
#13
Dustin J Oranchuk, Tracey L Robinson, Zachary J Switaj, Eric J Drinkwater
Weightlifting movements have high skill demands and require expert coaching. Loaded jumps have a comparably lower skill demand, but may be similarly effective for improving explosive performance. The purpose of this study was to compare vertical jump performance, isometric force, and rate of force development (RFD) following a ten-week intervention employing the hang high-pull (hang-pull) or trap-bar jump squat (jump-squat). Eighteen NCAA Division II swimmers (8 males, 10 females) with at least one year of resistance training experience volunteered to participate...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28417093/instability-resistance-training-for-health-and-performance
#14
REVIEW
Erika Zemková
Recently, resistance exercises performed on an unstable surface have become part of athletic training and rehabilitation. Accordingly, their role in performance and health-oriented strength training has increasingly emerged as a matter of interest to researchers and conditioning specialists. A more pronounced activation of stabilizing muscles is assumed to be the main feature of instability resistance exercises. This assumption has been proven by EMG studies, which have highlighted significantly greater electromyographic activity of trunk-stabilizing muscles during exercises under unstable as compared to stable conditions...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28411340/attainment-and-retention-of-force-moderation-following-laparoscopic-resection-training-with-visual-force-feedback
#15
Rafael Hernandez, Arzu Onar-Thomas, Francesco Travascio, Shihab Asfour
BACKGROUND: Laparoscopic training with visual force feedback can lead to immediate improvements in force moderation. However, the long-term retention of this kind of learning and its potential decay are yet unclear. METHODS: A laparoscopic resection task and force sensing apparatus were designed to assess the benefits of visual force feedback training. Twenty-two male university students with no previous experience in laparoscopy underwent relevant FLS proficiency training...
April 14, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28401310/the-efficacy-of-periodised-resistance-training-on-neuromuscular-adaptation-in-older-adults
#16
Jenny A Conlon, Robert U Newton, James J Tufano, Luis E Peñailillo, Harry G Banyard, Amanda J Hopper, Ashley J Ridge, G Gregory Haff
PURPOSE: This study compared the effect of periodised versus non-periodised (NP) resistance training on neuromuscular adaptions in older adults. METHODS: Forty-one apparently healthy untrained older adults (female = 21, male = 20; 70.9 ± 5.1 years; 166.3 ± 8.2 cm; 72.9 ± 13.4 kg) were recruited and randomly stratified to an NP, block periodised (BP), or daily undulating periodised (DUP) training group. Outcome measures were assessed at baseline and following a 22-week resistance training intervention (3 day week(-1)), including: muscle cross-sectional area (CSA), vertical jump performance, isometric and isokinetic peak torque, isometric rate of force development (RFD), and muscle activation...
April 11, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28394833/optimizing-half-squat-post-activation-potential-load-in-squat-jump-training-for-eliciting-relative-maximal-power-in-ski-jumpers
#17
A Gołaś, M Wilk, P Statsny, A Maszczyk, K Pajerska, A Zajac
Training load manipulation in a single workout session can increase or decrease training effectiveness in terms of athlete's strength or power gains. In ski jumping the complex training that elicits maximal power gains may take advantage of the post activation potentiation mechanism (PAP). The aim of research was to evaluate the changes in rate of force development (RFD), rate of power development (RPD) and jump height during a complex training session consisted of the barbell half squat (Sq) as an conditioning exercise with loads ranged between 60-100% of 1 repetition maximum (1RM), followed by a body weight squat jump (SqJ) as a performance task...
April 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28388274/six-minute-stepper-test-to-set-pulmonary-rehabilitation-intensity-in-patients-with-copd-a-retrospective-study
#18
Tristan Bonnevie, Francis-Edouard Gravier, Marie Leboullenger, Clément Médrinal, Catherine Viacroze, Antoine Cuvelier, Jean-François Muir, Catherine Tardif, David Debeaumont
Pulmonary rehabilitation (PR) improves outcomes in patients with chronic obstructive pulmonary disease (COPD). Optimal assessment includes cardiopulmonary exercise testing (CPET), but consultations are limited. Field tests could be used to individualize PR instead of CPET. The six-minute stepper test (6MST) is easy to set up and its sensitivity and reproducibility have previously been reported in patients with COPD. The aim of this study was to develop a prediction equation to set intensity in patients attending PR, based on the 6MST...
June 2017: COPD
https://www.readbyqxmd.com/read/28355147/glimpse-google-glass-interface-for-sensory-feedback-in-myoelectric-hand-prostheses
#19
Marko Markovic, Hemanth Karnal, Bernhard Graimann, Dario Farina, Strahinja Dosen
OBJECTIVE: Providing sensory feedback to the user of the prosthesis is an important challenge. The common approach is to use tactile stimulation, which is easy to implement but requires training and has limited information bandwidth. In this study, we propose an alternative approach based on augmented reality. APPROACH: We have developed the GLIMPSE, a Google Glass application which connects to the prosthesis via a Bluetooth interface and renders the prosthesis states (EMG signals, aperture, force and contact) using augmented reality (see-through display) and sound (bone conduction transducer)...
June 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28336444/tool-tissue-interaction-forces-in-brain-arteriovenous-malformation-surgery
#20
Taku Sugiyama, Liu Shi Gan, Kourosh Zareinia, Sanju Lama, Garnette R Sutherland
OBJECTIVE: Surgical resection of a brain arteriovenous malformation (AVM) poses a technical challenge because of the fragility and number of small feeding and draining vessels around the nidus. Acquiring knowledge of the optimal force applied to such tissue is important in surgical performance and education. METHODS: A force-sensing bipolar forceps was developed through installation of strain gauge sensors, and force profiles were obtained from 2 AVM surgeries. The force data associated with vessel injury, unsuccessful trial, was compared with that from successful trials...
June 2017: World Neurosurgery
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