Purpose: The purpose of this study was to examine the sex-specific influence of expected exercise duration on the physiological responses to RPE-clamp exercise anchored to RPE 15 with participants being deceived into believing the RPE-clamp exercise would last for 20-, 30-, or 40-min, but all trials were 30-min.
Methods: Twelve males and 12 females completed a graded exercise test followed by randomly ordered RPE-clamp trials at RPE15 on the Borg 6-20 scale where subjects were deceived into expecting exercise to last for either 20-, 30-, or 40-min, but the actual duration for each trial was 30-min. Separate 2 (Sex [Male vs. Female]) × 3 (Deception [20-min, 30-min, 40-min]) × 11 (Time [0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 min]) mixed model analyses of variance (ANOVAs) with appropriate follow-up ANOVAs, and Bonferroni-corrected pairwise comparisons, were used to examine changes in volume of oxygen uptake ( ), heart rate (HR), respiration rate (RR), power output, and muscle oxygen saturation (%SmO).
Results: Females, but not males, demonstrated lower power outputs when expected duration was 40-min compared to 20-min after approximately half of the exercise bout. , regardless of Sex, was also lower when expected duration was 40-min (62.47 ± 5.59% ) compared to 20-min (66.35 ± 5.79% ). There was no effect of expected duration on HR, RR, or %SmO, but females demonstrated significantly higher HR (86.06 ± 5.93%HR) and RR (74.81 ± 7.26%RR) compared to males (79.52 ± 4.96%HR; 62.31 ± 5.80%RR).
Conclusions: RPE-clamp exercise performance in females, but not males, may be influenced by the expectation of exercise duration.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s00421-024-05698-7 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Influence of deception of task duration on the sex-specific physiological responses to RPE-clamp cycle ergometry.
Eur J Appl Physiol
January 2025
Department of Kinesiology and Health Promotion, University of Kentucky, 1210 University Drive, Lexington, KY, 40526, USA.
Purpose: The purpose of this study was to examine the sex-specific influence of expected exercise duration on the physiological responses to RPE-clamp exercise anchored to RPE 15 with participants being deceived into believing the RPE-clamp exercise would last for 20-, 30-, or 40-min, but all trials were 30-min.
Methods: Twelve males and 12 females completed a graded exercise test followed by randomly ordered RPE-clamp trials at RPE15 on the Borg 6-20 scale where subjects were deceived into expecting exercise to last for either 20-, 30-, or 40-min, but the actual duration for each trial was 30-min. Separate 2 (Sex [Male vs.
The effects of low vs. high rating of perceived exertion clamp exercise on performance, neuromuscular, and muscle oxygen saturation responses in females.
Eur J Appl Physiol
September 2024
Department of Kinesiology and Health Promotion, University of Kentucky, 1210 University Drive, Seaton Center, Lexington, KY, 40502, USA.
Purpose: This study examined the time course of changes in force, relative to critical force (CF), electromyographic amplitude (EMG AMP), neuromuscular efficiency (NE), and muscle oxygen saturation (SmO), as well as time to task failure (TTF) and performance fatigability (PF) during isometric handgrip holds to failure (HTF) anchored to the rating of perceived exertion (RPE) at 3 and 7.
Methods: Ten females completed pre-test maximal voluntary isometric contractions (MVICs), submaximal HTF at four percentages of MVIC, an HTF at RPE = 3 and 7, and post-test MVICs. Analyses included paired samples t-tests, repeated measures ANOVAs and planned comparisons.
Utilizing the RPE-Clamp model to examine interactions among factors associated with perceived fatigability and performance fatigability in women and men.
Eur J Appl Physiol
June 2023
Exercise Physiology Laboratory, Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE, 68510, USA.
Purpose: The purpose of the present study was to examine the interactions between perceived fatigability and performance fatigability in women and men by utilizing the RPE-Clamp model to assess the fatigue-induced effects of a sustained, isometric forearm flexion task anchored to RPE = 8 on time to task failure (TTF), torque, and neuromuscular responses.
Methods: Twenty adults (10 men and 10 women) performed two, 3 s forearm flexion maximal voluntary isometric contractions (MVICs) followed by a sustained, isometric forearm flexion task anchored to RPE = 8 using the OMNI-RES (0-10) scale at an elbow joint angle of 100°. Electromyographic amplitude (EMG AMP) was recorded from the biceps brachii.
Treadmill running using an RPE-clamp model: mediators of perception and implications for exercise prescription.
Eur J Appl Physiol
September 2019
School of Kinesiology, Applied Health and Recreation, Oklahoma State University, Stillwater, OK, 74078, USA.
Purpose: The mediators of the perception of effort during exercise are still unclear. The aim of the present study was to examine physiological responses during runs using a rating of perceived exertion (RPE)-clamp model at the RPE corresponding to the gas exchange threshold (RPE) and 15% above GET (RPE) to identify potential mediators and performance applications for RPE during treadmill running.
Methods: Twenty-one runners ([Formula: see text] = 51.
Inter-individual variability in the patterns of responses for electromyography and mechanomyography during cycle ergometry using an RPE-clamp model.
Eur J Appl Physiol
September 2016
Department of Nutrition and Health Sciences, 110 Ruth Leverton Hall, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA.
Purpose: To examine inter-individual variability versus composite models for the patterns of responses for electromyography (EMG) and mechanomyography (MMG) versus time relationships during moderate and heavy cycle ergometry using a rating of perceived exertion (RPE) clamp model.
Methods: EMG amplitude (amplitude root-mean-square, RMS), EMG mean power frequency (MPF), MMG-RMS, and MMG-MPF were collected during two, 60-min rides at a moderate (RPE at the gas exchange threshold; RPEGET) and heavy (RPE at 15 % above the GET; RPEGET+15 %) intensity when RPE was held constant (clamped). Composite (mean) and individual responses for EMG and MMG parameters were compared during each 60-min ride.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!