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Clinical Trial Summary

This study is designed to observe muscle oxygen saturation during intense video game using gridlock training with and without upper arm compression sleeves.


Clinical Trial Description

A competitive esport player can perform up to 500-600 mouse and keyboard actions per minute (APM) on a typical training day(1). A routine training day for a competitive esport player can range from 5- 10 hours of play with no break (1). In comparison, office workers perform an average of 130-180 keyboard and mouse inputs over the course of an 8 hour work day (2). These APM's require sustained wrist extension in conjunction with repetitive forearm muscle contractions in multiple planes, as well as shoulder stability and postural stability. Maneuvering a mouse and keyboard requires repeated contractions of the extensor carpi ulnaris and extensor digitorum. With these fine motor demands, it is common for players to suffer from acute and chronic overuse wrist and arm injuries (3). Muscle tissue oxygenation (Sm02) saturation is important to all athletic populations including endurance athletes and power athletes. It's a marker of how efficient that muscle is performing. A decrease in Sm02 indicates less ATP to that muscle and fatigue. Muscle deoxygenation and reoxygenation has been studied in multiple athletic populations. In competitive rock climbers, a lesser rate of deoxygenation of the finger and wrist extensor muscles was related to a higher level of climbing ability (4). The use of compression wear has expanded from clinical use into the sports market. The recommendations to wear compression gear in athletes is based on improvement in venous blood flow which improves exchange of fresh blood and blood waste. The research on its use on improving running performance has been mixed. Anecdotally, in 2001 Allen Iverson of the National Basketball Association (NBA) wore a compression arm sleeve to prevent swelling and provide relief of bursitis in his elbow. Lebron James of the NBA and London marathon runner Paul Radcliffe both swear by compression gear. In the 2016 Olympics, it was estimated that 90% of athletes used some form of compression performance gear. (5) The compression wear sports industry market is a billion-dollar industry projected to be worth 3.96 billion dollars by 2022.(5) Athletes in various sports wear compression garments with the assumption that it will improve performance and facilitate muscle recovery. Most modern compression gear marketed toward athletes use 'graduated compression'. This means that the highest amount of pressure is on the most distal parts of your body (e.g ankles if you are using lower body compression) and the pressure gradually reduces as it moves up toward your body. Compression wear varies in pressure range. The measurement is measured in mmHg and light compression can range from 18-21 mmHg, moderate 23-32 mmHg, strong 34-46 mmHg and > 49 mmHg very strong. (6) Most over the counter athletic compression garments range from 18-21 mmHg. With esports literature in its infant stages, oxidative capacity of the finger and wrist extensors during prolonged gaming have never been explored. The aim of this study is to compare changes in tissue oxygenation of the wrist extensor muscles with and without graduated arm compression during competitive game play. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05037071
Study type Interventional
Source New York Institute of Technology
Contact Joanne Donoghue
Phone 5166863759
Email [email protected]
Status Recruiting
Phase N/A
Start date September 1, 2021
Completion date January 2022

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