Risa Iwata

ORCID: 0000-0003-3257-6314
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About
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Research Areas
  • Exercise and Physiological Responses
  • Thermoregulation and physiological responses
  • Sports injuries and prevention
  • Infrared Thermography in Medicine
  • Cardiovascular and exercise physiology
  • Sports Performance and Training
  • Phytochemicals and Antioxidant Activities
  • Cardiovascular and Diving-Related Complications
  • Prostate Cancer Treatment and Research
  • Musculoskeletal pain and rehabilitation
  • Medical Imaging Techniques and Applications
  • Shoulder Injury and Treatment
  • Radiopharmaceutical Chemistry and Applications
  • Garlic and Onion Studies
  • Muscle metabolism and nutrition
  • Healthcare and Venom Research
  • Ocean Acidification Effects and Responses
  • Neuroscience of respiration and sleep
  • melanin and skin pigmentation

Waseda University
2017-2024

Japan Sport Council
2021-2024

Tsukuba University of Technology
2017

Osaka City University
2017

Although a 3- to 7-min re-warm up (RW) elicits performance and physiological benefits after half-time (HT), time-efficient feasible RW protocol is required for the use of an in athletic setting. This study aimed investigate effect 1-min at high-intensity on responses during Loughborough Intermittent Shuttle Test (LIST). In randomized counterbalanced cross-over design, 12 male amateur intermittent team sports players (soccer, basketball, handball, lacrosse; age, 22 ± 2 years; height, 1.70...

10.3389/fphys.2020.616158 article EN cc-by Frontiers in Physiology 2021-01-13

Abstract This study investigated the effect of high‐intensity cycling re‐warm up (RW) within a very short time‐frame on subsequent intermittent sprint performance. Twelve active males completed three trials in random order: control (CON); 3‐min RW at 30% maximal oxygen uptake (VO 2max ) (RW30); and 1‐min 90% VO (RW90). During experimental trials, participants performed 40‐min exercise followed by 15‐min rest. rest period, CON, RW30, or RW90. After Cycling Intermittent‐Sprint Protocol (CISP),...

10.1080/17461391.2020.1713901 article EN European Journal of Sport Science 2020-01-08

Palm cooling is a simple and easily implemented intervention strategy during exercise. We aimed to examine the effects of bilateral palm before exercise on thermoregulatory-related subjective indicators in hot environment. Ten active men (age: 21 ± 1 years; height 172.2 5.7 cm; weight 67.4 7.2 kg) underwent three experimental trials at same time day, consisting with 12°C (ICE12°C), 0°C (ICE0°C), control (CON) trials. After 30 min rest ambient temperature, participants performed 20 33°C, 60%...

10.2139/ssrn.4357741 article EN 2023-01-01

Aims] Exercise is good for physical and mental health.The problem that many people do not necessarily exercise.Some maybe exercise regularly because they dislike or think themselves poor at exercise.In this study, fitness training class based on personal program was provided to university students their motivation, we assessed its effect by using Profile of Mood State (POMS) salivary chromogranin A (sCgA).[Methods] Fifty-three (28 males 25 females) participated in study.They learned the...

10.7600/jpfsm.6.459 article EN The Journal of Physical Fitness and Sports Medicine 2017-01-01

Aim: This study aimed to elucidate the efficacy of active recovery (AR) after supramaximal exercise in six-healthy adult male university students who habitually exercised.Methods: Prior this test, participants underwent normal walking (W) and Nordic (NW) tests determine their physical strength intensity levels that will be utilized during test AR sessions.After 3 min warm-up exercise, started main at an 120 %VO 2max .After completing immediately moved a treadmill performed 20 speed...

10.17140/semoj-4-158 article EN Sports and Exercise Medicine - Open Journal 2018-11-08

BACKGROUND: The aim of this study was to investigate whether sex differences affect delayed-onset muscle soreness (DOMS) in response cold-water immersion (CWI) following resistance exercise.METHODS: Fourteen healthy young adults (8 males; height, 1.69±0.02 m; body mass, 60.6±8.1 kg and 6 females; 1.58±0.04 52.6±1.9 [mean±SD]) performed high-intensity exercise followed by CWI (15°C) for 15 minutes. Thermal sensation (TS) thermal comfort (TC) were recorded every 5 minutes during CWI. Perceived...

10.23736/s0393-3660.20.04328-4 article EN Gazzetta Medica Italiana Archivio per le Scienze Mediche 2022-04-01

To investigate the factors affecting rate of improvement in endurance exercise performance following pre-cooling with ice slurry, we focused on individual physical characteristics and thermoregulatory capacity. Twenty-four healthy adults (12 males 12 females) ingested 7.5g kg-1 either slurry at -1°C (ICE) or control water 20°C (CON) before cycling 55% VO2max continued until rectal temperature reached 38.5°C untill exhaustion a hot environment (controlled 38°C, 40% relative humidity). The...

10.7600/jspfsm.71.345 article EN Japanese Journal of Physical Fitness and Sports Medicine 2022-07-11
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