Title

Inter- and Intra-Monitor Validity of the Atlas Activity Monitor During Resistance Training Exercises

Document Type

Student Presentation

Presentation Date

4-16-2018

College

College of Health Sciences

Department

Kinesiology

Faculty Sponsor

Scott A. Conger

Abstract

PURPOSE: The purpose of this study was to investigate the inter- and intra-monitor validity of the Atlas activity monitor for detecting various types of upper and lower body resistance training (RT) exercises and repetition counting. METHODS: Forty-two male and female participants completed two circuits of 14 different upper- and lower-body RT exercises while wearing two wrist-worn, accelerometer-based activity monitors (Atlas Wristband2) on their left wrist. During each circuit, the participants completed one set of 12 repetitions of each circuit using a self-selected resistance. One-way ANOVA with post-hoc analyses were utilized to assess the inter- and intra-monitor validity for correctly identifying each exercise and detecting repetition count. RESULTS: Analysis of the inter-monitor validity revealed a significant main effect between monitors for identifying the correct or similar exercise type. Post-hoc analysis indicated significant difference between two of the 14 exercises (upright rows and lateral raises) (p<0.05). Similar results were found for repetition counting (p<0.05). For intra-monitor validity, only upright rows were significantly different across the two circuits (p<0.05), although there were no significant differences in repetition counting. CONCLUSION: Overall, the Atlas activity monitor demonstrated good inter- and intra-monitor validity during a variety of upper- and lower-body exercises.

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