INVESTIGATING THE USE OF EMG BIOFEEDBACK ON EXERCISE SELECTION AND MUSCLE ACTIVATION FOR MOBILE STRENGTH TRAINING APPLICATION
Authors
Jensen, Nicolai Bo Kliver ; Toader, Laurentiu-Octavian
Term
4. term
Education
Publication year
2017
Submitted on
2017-06-07
Pages
51
Abstract
Dette projekt undersøger, om EMG-biofeedback i en styrketræningsapp kan gøre øvelsesvalget mere individuelt ved at måle muskelaktivitet. EMG (elektromyografi) bruger sensorer på huden til at registrere, hvor aktiv en muskel er, og appen gav deltagerne feedback baseret på disse målinger. Appen blev testet i et randomiseret, enkeltblindet for- og eftermålingsdesign over fire uger. Fokus var den korte bicepshoved, og derfor blev forskellige varianter af biceps-curl brugt. Deltagerne blev opdelt i to grupper: EMG-gruppen valgte individuelle øvelser ud fra deres EMG-feedback, mens kontrolgruppen udførte alle øvelser. Den samlede træningsmængde var den samme i begge grupper. Målet var at undersøge en EMG-drevet metode til at forudsige, hvilke bicepsøvelser der er mest effektive for den enkelte. Resultaterne viste ingen statistisk signifikante forskelle mellem grupperne. EMG-gruppen opnåede dog en lille, ikke-signifikant større forbedring end kontrolgruppen. Mulige forklaringer og andre observationer diskuteres i projektet.
This study tests whether adding EMG biofeedback to a strength-training app can make exercise selection more individualized by measuring muscle activity. EMG (electromyography) uses sensors on the skin to record how much a muscle is working, and the app provided feedback based on these readings. The app was evaluated in a randomized, single-blind pre–post design over four weeks. The focus was the short head of the biceps, so variations of the biceps curl were used. Participants were split into two groups: the EMG group used feedback to choose their exercises, while the control group performed all exercises. Total training volume was kept the same across groups. The goal was to explore an EMG-driven approach to predict the most effective biceps exercises for each person. The results showed no statistically significant differences between groups. The EMG group improved slightly more than the control group, but not to a significant degree. The study discusses possible reasons and other observations.
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