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Wearable technology athlete

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https://read.qxmd.com/read/30588312/heart-rate-variability-an-old-metric-with-new-meaning-in-the-era-of-using-mhealth-technologies-for-health-and-exercise-training-guidance-part-two-prognosis-and-training
#1
REVIEW
Nikhil Singh, Kegan James Moneghetti, Jeffrey Wilcox Christle, David Hadley, Victor Froelicher, Daniel Plews
It has been demonstrated that heart rate variability (HRV) is predictive of all-cause and cardiovascular mortality using clinical ECG recordings. This is true for rest, exercise and ambulatory HRV clinical ECG device recordings in prospective cohorts. Recently, there has been a rapid increase in the use of mobile health technologies (mHealth) and commercial wearable fitness devices. Most of these devices use ECG or photo-based plethysmography and both are validated for providing accurate heart rate measurements...
December 2018: Arrhythmia & Electrophysiology Review
https://read.qxmd.com/read/30577414/sleep-data-physical-performance-and-injuries-in-preparation-for-professional-mixed-martial-arts
#2
Corey A Peacock, Mauricio Mena, Gabriel J Sanders, Tobin A Silver, Douglas Kalman, Jose Antonio
The purpose of this investigation is to present observational data regarding sleep variables in professional Mixed Martial Arts (MMA) athletes. These sleep performance measures were related to physical performance and injury in MMA athletes. Eight professional athletes were placed into a quasi-controlled, multivariable fight-camp environment for a six-week period in preparation for fight competition. Throughout a six-week fight camp environment, athletes were continuously monitored for sleep performance measures (sleep latency, sleep efficiency, onset, and wake variances) via validated wearable sleep monitoring technology...
December 20, 2018: Sports
https://read.qxmd.com/read/30531467/integration-of-wearable-sensors-into-the-evaluation-of-running-economy-and-foot-mechanics-in-elite-runners
#3
Borja Muniz-Pardos, Shaun Sutehall, Jules Gellaerts, Mathieu Falbriard, Benoît Mariani, Andrew Bosch, Mersha Asrat, Jonathan Schaible, Yannis P Pitsiladis
Running economy, known as the steady-state oxygen consumption at a given submaximal intensity, has been proposed as one of the key factors differentiating East African runners from other running communities around the world. Kenyan runners have dominated middle- and long-distance running events and this phenomenon has been attributed, in part at least, to their exceptional running economy. Despite such speculation, there are no data on running mechanics during real-life situations such as during training or competition...
December 2018: Current Sports Medicine Reports
https://read.qxmd.com/read/30516364/a-wearable-fluid-capture-device-for-electrochemical-sensing-of-sweat
#4
Guijun Li, Xiaoyong Mo, Wing-Cheung Law, K C Chan
Wearable sensing technologies are vital for realizing personalized health monitoring. Non-invasive human sweat sampling is essential for monitoring an individual's physical state using rich physiological data. However, existing wearable sensing technologies lack the controlled capture of body sweats and in performing on-device measurement without inflammatory contact. Herein, we report the development of a wearable sweat-capture device using patterned graphene arrays with controlled superwettability and electrical conductivity for simultaneously capturing and electrochemically measuring the sweat droplets...
December 5, 2018: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/30113913/novel-technologies-found-to-be-valid-and-reliable-for-the-measurement-of-vertical-jump-height-with-jump-and-reach-testing
#5
Edward R Brooks, Amanda C Benson, Lyndell M Bruce
Brooks, ER, Benson, AC, and Bruce, LM. Novel technologies found to be valid and reliable for the measurement of vertical jump height with jump-and-reach testing. J Strength Cond Res XX(X): 000-000, 2018-Vertical jump testing is used by coaches and athletes across many sports and disciplines to assess lower-body power and neuromuscular fatigue. A range of devices are available to measure jump height, with recent innovations attempting to improve portability, usability, and accessibility. New devices should be evaluated for their effectiveness and dependability in specific tests before being adopted...
August 15, 2018: Journal of Strength and Conditioning Research
https://read.qxmd.com/read/29808560/stretchable-optomechanical-fiber-sensors-for-pressure-determination-in-compressive-medical-textiles
#6
Joseph D Sandt, Marie Moudio, J Kenji Clark, James Hardin, Christian Argenti, Matthew Carty, Jennifer A Lewis, Mathias Kolle
Medical textiles are widely used to exert pressure on human tissues during treatment of post-surgical hematoma, burn-related wounds, chronic venous ulceration, and other maladies. However, the inability to dynamically sense and adjust the applied pressure often leads to suboptimal pressure application, prolonging treatment or resulting in poor patient outcomes. Here, a simple strategy for measuring sub-bandage pressure by integrating stretchable optomechanical fibers into elastic bandages is demonstrated. Specifically, these fibers possess an elastomeric photonic multilayer cladding that surrounds an extruded stretchable core filament...
August 2018: Advanced Healthcare Materials
https://read.qxmd.com/read/29783763/integrated-framework-of-load-monitoring-by-a-combination-of-smartphone-applications-wearables-and-point-of-care-testing-provides-feedback-that-allows-individual-responsive-adjustments-to-activities-of-daily-living
#7
Peter Düking, Silvia Achtzehn, Hans-Christer Holmberg, Billy Sperlich
Athletes schedule their training and recovery in periods, often utilizing a pre-defined strategy. To avoid underperformance and/or compromised health, the external load during training should take into account the individual's physiological and perceptual responses. No single variable provides an adequate basis for planning, but continuous monitoring of a combination of several indicators of internal and external load during training, recovery and off-training as well may allow individual responsive adjustments of a training program in an effective manner...
May 19, 2018: Sensors
https://read.qxmd.com/read/29769821/validity-and-reliability-of-surface-electromyography-measurements-from-a-wearable-athlete-performance-system
#8
Scott K Lynn, Casey M Watkins, Megan A Wong, Katherine Balfany, Daniel F Feeney
The Athos ® wearable system integrates surface electromyography (sEMG ) electrodes into the construction of compression athletic apparel. The Athos system reduces the complexity and increases the portability of collecting EMG data and provides processed data to the end user. The objective of the study was to determine the reliability and validity of Athos as compared with a research grade sEMG system. Twelve healthy subjects performed 7 trials on separate days (1 baseline trial and 6 repeated trials). In each trial subjects wore the wearable sEMG system and had a research grade sEMG system's electrodes placed just distal on the same muscle, as close as possible to the wearable system's electrodes...
June 2018: Journal of Sports Science & Medicine
https://read.qxmd.com/read/29742745/validity-and-reliability-of-a-wearable-inertial-sensor-to-measure-velocity-and-power-in-the-back-squat-and-bench-press
#9
Samuel T Orange, James W Metcalfe, Andreas Liefeith, Phil Marshall, Leigh A Madden, Connor R Fewster, Rebecca V Vince
Orange, ST, Metcalfe, JW, Liefeith, A, Marshall, P, Madden, LA, Fewster, CR, and Vince, RV. Validity and reliability of a wearable inertial sensor to measure velocity and power in the back squat and bench press. J Strength Cond Res XX(X): 000-000, 2018-This study examined the validity and reliability of a wearable inertial sensor to measure velocity and power in the free-weight back squat and bench press. Twenty-nine youth rugby league players (18 ± 1 years) completed 2 test-retest sessions for the back squat followed by 2 test-retest sessions for the bench press...
May 8, 2018: Journal of Strength and Conditioning Research
https://read.qxmd.com/read/29726698/on-the-use-of-wearable-physiological-monitors-to-assess-heat-strain-during-occupational-heat-stress
#10
REVIEW
Sean R Notley, Andreas D Flouris, Glen P Kenny
Workers in many industries are required to perform arduous work in high heat-stress conditions, which can lead to rapid increases in body temperature that elevate the risk of heat-related illness and even death. Traditionally, effort to mitigate work-related heat injury has been directed toward the assessment of environmental heat stress (e.g., wet-bulb globe temperature), rather than toward the associated physiological strain responses (e.g., heart rate and skin and core temperatures). However, because a worker's physiological response to a given heat stress is modified independently by inter-individual factors (e...
September 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://read.qxmd.com/read/29611324/validation-of-a-novel-wearable-wireless-technology-to-estimate-oxygen-levels-and-lactate-threshold-power-in-the-exercising-muscle
#11
Parisa Farzam, Zack Starkweather, Maria A Franceschini
There is a growing interest in monitoring muscle oxygen saturation (SmO2 ), which is a localized measure of muscle oxidative metabolism and can be acquired continuously and noninvasively using near-infrared spectroscopy (NIRS) methods. Most NIRS systems are cumbersome, expensive, fiber coupled devices, with use limited to lab settings. A novel, low cost, wireless, wearable has been developed for use in athletic training. In this study, we evaluate the advantages and limitations of this new simple continuous-wave (CW) NIRS device with respect to a benchtop, frequency-domain near-infrared spectroscopy (FDNIRS) system...
April 2018: Physiological Reports
https://read.qxmd.com/read/29601343/a-preliminary-investigation-of-accelerometer-derived-sleep-and-physical-activity-following-sport-related-concussion
#12
Alicia M Sufrinko, Erin K Howie, R J Elbin, Michael W Collins, Anthony P Kontos
OBJECTIVE: Describe changes in postconcussion activity levels and sleep throughout recovery in a sample of pediatric sport-related concussion (SRC) patients, and examine the predictive value of accelerometer-derived activity and sleep on subsequent clinical outcomes at a follow-up clinic visit. SETTING: Outpatient concussion clinic. PARTICIPANTS: Twenty athletes aged 12 to 19 years with diagnosed SRC. METHODS: Prospective study including visit 1 (<72 hours postinjury) and visit 2 (6-18 days postinjury)...
September 2018: Journal of Head Trauma Rehabilitation
https://read.qxmd.com/read/29559918/application-of-dgnss-in-alpine-ski-racing-basis-for-evaluating-physical-demands-and-safety
#13
Matthias Gilgien, Josef Kröll, Jörg Spörri, Philip Crivelli, Erich Müller
External forces, such as ground reaction force or air drag acting on athletes' bodies in sports, determine the sport-specific demands on athletes' physical fitness. In order to establish appropriate physical conditioning regimes, which adequately prepare athletes for the loads and physical demands occurring in their sports and help reduce the risk of injury, sport-and/or discipline-specific knowledge of the external forces is needed. However, due to methodological shortcomings in biomechanical research, data comprehensively describing the external forces that occur in alpine super-G (SG) and downhill (DH) are so far lacking...
2018: Frontiers in Physiology
https://read.qxmd.com/read/29543747/trends-supporting-the-in-field-use-of-wearable-inertial-sensors-for-sport-performance-evaluation-a-systematic-review
#14
REVIEW
Valentina Camomilla, Elena Bergamini, Silvia Fantozzi, Giuseppe Vannozzi
Recent technological developments have led to the production of inexpensive, non-invasive, miniature magneto-inertial sensors, ideal for obtaining sport performance measures during training or competition. This systematic review evaluates current evidence and the future potential of their use in sport performance evaluation. Articles published in English (April 2017) were searched in Web-of-Science, Scopus, Pubmed, and Sport-Discus databases. A keyword search of titles, abstracts and keywords which included studies using accelerometers, gyroscopes and/or magnetometers to analyse sport motor-tasks performed by athletes (excluding risk of injury, physical activity, and energy expenditure) resulted in 2040 papers...
March 15, 2018: Sensors
https://read.qxmd.com/read/29541343/evaluating-energy-expenditure-estimated-by-wearable-technology-during-variable-intensity-activity-on-female-collegiate-athletes
#15
Monica Taylor, Elizabeth F Nagle, Fredric L Goss, Elaine N Rubinstein, Andrew Simonson
Monitoring an athlete's energy intake and energy expenditure (EE) is an important consideration of nutritional planning for sport conditioning and peak performance. In order to provide appropriate recommendations regarding nutritional requirements and caloric needs, an accurate determination of energy requirements is necessary. By knowing an individual's EE, a coach, athletic performance staff or trainer can effectively determine training loads and volumes necessary for periodization and seasonal planning for a particular sport...
2018: International Journal of Exercise Science
https://read.qxmd.com/read/29535641/player-monitoring-in-indoor-team-sports-concurrent-validity-of-inertial-measurement-units-to-quantify-average-and-peak-acceleration-values
#16
Mareike Roell, Kai Roecker, Dominic Gehring, Hubert Mahler, Albert Gollhofer
The increasing interest in assessing physical demands in team sports has led to the development of multiple sports related monitoring systems. Due to technical limitations, these systems primarily could be applied to outdoor sports, whereas an equivalent indoor locomotion analysis is not established yet. Technological development of inertial measurement units (IMU) broadens the possibilities for player monitoring and enables the quantification of locomotor movements in indoor environments. The aim of the current study was to validate an IMU measuring by determining average and peak human acceleration under indoor conditions in team sport specific movements...
2018: Frontiers in Physiology
https://read.qxmd.com/read/29484191/psychometric-properties-of-the-zephyr-bioharness-device-a-systematic-review
#17
Goris Nazari, Pavlos Bobos, Joy C MacDermid, Kathryn E Sinden, Julie Richardson, Ada Tang
Background: Technological development and improvements in Wearable Physiological Monitoring devices, have facilitated the wireless and continuous field-based monitoring/capturing of physiologic measures in healthy, clinical or athletic populations. These devices have many applications for prevention and rehabilitation of musculoskeletal disorders, assuming reliable and valid data is collected. The purpose of this study was to appraise the quality and synthesize findings from published studies on psychometric properties of heart rate measurements taken with the Zephyr Bioharness device...
2018: BMC Sports Science, Medicine and Rehabilitation
https://read.qxmd.com/read/29482927/measurement-of-lower-limb-segmental-excursion-using-inertial-sensors-during-single-limb-stance
#18
Kyoung Jae Kim, Vibhor Agrawal, Christopher Bennett, Ignacio Gaunaurd, Luis Feigenbaum, Robert Gailey
Advances in wearable technology have afforded health scientists and clinicians the ability to quantify clinically meaningful kinematic data with performance-based outcome measures in a variety of environments. However, no method for assessing segmental excursion of the lower limb during single limb stance (SLS) with wearable technology has been described in the literature nor has its clinical meaning been explored. This study introduces a clinically friendly measure to quantify lower limb segmental excursion during SLS with inertial measurement units (IMUs) which called the region of limb stability (ROLS)...
April 11, 2018: Journal of Biomechanics
https://read.qxmd.com/read/29249986/monitoring-energy-expenditure-using-a-multi-sensor-device-applications-and-limitations-of-the-sensewear-armband-in-athletic-populations
#19
REVIEW
Karsten Koehler, Clemens Drenowatz
In order to monitor their energy requirements, athletes may desire to assess energy expenditure (EE) during training and competition. Recent technological advances and increased customer interest have created a market for wearable devices that measure physiological variables and bodily movement over prolonged time periods and convert this information into EE data. This mini-review provides an overview of the applicability of the SenseWear armband (SWA), which combines accelerometry with measurements of heat production and skin conductivity, to measure total daily energy expenditure (TDEE) and its components such as exercise energy expenditure (ExEE) in athletic populations...
2017: Frontiers in Physiology
https://read.qxmd.com/read/28798200/wearable-physiological-monitoring-for-human-thermal-work-strain-optimization
#20
Mark J Buller, Alexander P Welles, Karl E Friedl
Safe performance limits of soldiers and athletes have typically relied on predictive work-rest models of ambient conditions, average work intensity, and characteristics of the population. Bioengineering advances in noninvasive sensor technologies, including miniaturization, reduced cost, power requirements, and comfort, now make it possible to produce individual predictions of safe thermal-work limits. These precision medicine assessments depend on the development of thoughtful algorithms based on physics and physiology...
February 1, 2018: Journal of Applied Physiology
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