Influence of Aerobic Fitness Level on Measured and Estimated Perceived Exertion During Exhausting Runs

Abstract

The purpose of the present investigation was 1) to study the effects of fitness level on perceived exertion (RPE) and estimated time limit (ETL) scales during exhausting runs, and 2) to predict time to exhaustion from RPE or ETL values collected during a constant run exercise. Eight high-fitness level and twelve moderate-fitness level endurance trained males performed two exhausting exercises on a 400-m running track. The first test was a graded exercise using a portable metabolic system to determine maximal oxygen uptake (V·O₂max), the velocity associated with V·O₂max (vV·O₂max), the velocity at the lactate threshold (vLT) and the velocity at delta 50 (vΔ50 : the velocity halfway between vV·O₂max and vLT). The second test was a constant run exercise at vΔ50 to determine the time to exhaustion at this intensity (tlimvΔ50). Moderate-fitness level athletes perceived exercise to be relatively more strenuous and felt that they could continue for less time than high-fitness level athletes at similar relative velocities. There was no effect of fitness level on perceived exertion for a given relative exercise duration. RPE corresponding to vLT was not statistically significantly different between the two levels groups. For the two groups, measured and predicted exhaustion time values, which were calculated from linear extrapolation of RPE and ETL values collected during the first 4 minutes of a submaximal constant run exercise, were not statistically significantly correlated. These results indicate that the aerobic fitness level seems to influence perceived exertion only during graded exercise. Consequently, if RPE is used to prescribe an exercise intensity, the prescription must be individualised regarding the aerobic fitness level of the athlete except for exercise intensities corresponding to vLT. Moreover, the perceived exertion pattern at the beginning of a submaximal constant run exercise could not be considered as a sensitive predictor of the point of self-imposed exhaustion whatever the fitness level of the athletes.

Key words

Perceived exertion - exhaustion time - fitness level - running

References

• 1 American College of Sports Medicine . The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults.  Med Sci Sports Exerc. 1990;  22 265-274
• 2 Arstial M, Antila K, Wendelin H, Vuori I, Valamaki I. The effect of age and sex on the perception of exertion during an exercise test with a linear increase in heart rate.  In: Borg G (ed). Physical Work and Effort.  Oxford: Pergamon Press, 1977: 217-221
• 3 Astrand P O, Ryhming I. A namogram for calculation of aerobic capacity (physical fitness) from pulse rate during submaximal work.  J Appl Physiol. 1954;  7 218-221
• 4 Aunola S, Rusko H. Does anaerobic threshold correlate with maximal lactate steady state.  J Sports Sci. 1992;  10 309-323
• 5 Bar-Or O. Age related changes in exercise perception.  In: Borg G (ed). Physical Work and Effort. Oxford: Pergamon Press, 1977: 255-265
• 6 Bar-Or O, Skinner J, Buskirk E R, Borg G. Physiological and perceptual indicators of physical stress in 40 to 60 year old men who vary in conditioning level and in body fatness.  Med Sci Sports. 1972;  4 96-100
• 7 Berry M J, Weyrich A S, Robergs R A, Krause K M, Ingalls C P. Ratings of perceived exertion in individuals with varying fitness levels during walking and running.  Eur J Appl Physiol. 1989;  58 494-499
• 8 Billat V, Koralzstein J P. Significance of the velocity at V·O₂max and time to exhaustion at this velocity.  Sports Med. 1996;  22 90-108
• 9 Billat V, Slawinski J, Bocquet V, Demarle A, Lafitte L, Chassaing P, Koralsztein J P. Intermittent runs at the velocity associated with maximal oxygen uptake enables subjects to remain at maximal oxygen uptake for a longer time than intense but submaximal runs.  Eur J Appl Physiol. 2000;  81 188-196
• 10 Birk T J, Birk C. A use of ratings of perceived exertion for exercise prescription.  Clin Sports Med. 1987;  4 1-8
• 11 Borg G V. Perceived exertion as an indicator of somatic stress.  Scand J Rehab Med. 1970;  2 92-98
• 12 Borg G V, Noble B. Perceived exertion.  In: Wilmore JH (ed). Exercise and Sport Sciences Reviews.  New-York: Academic Press, 1974: 131-153
• 13 Boutcher S H, Seip R L, Hetzler R K, Pierce E F, Snead D, Weltman A. The effects of specificity of training on rating of PE at the lactate threshold.  Eur J Appl Physiol. 1989;  59 365-369
• 14 Brooks G A, Fahey T D, White T P, Baldwin K M. Exercise physiology. Human Bioenergetics and its Applications.  Mountain View: Mayfield 2000: 210
• 15 Demello J J, Cureton K J, Boineau R E, Singh M M. Ratings of the perceived exertion at the lactate threshold in trained and untrained men and women.  Med Sci Sports Exerc. 1987;  19 354-362
• 16 Eston R G, Davies B L, Williams J G. Use of perceived effort ratings to control exercise intensity in young healthy adults.  Eur J Appl Physiol. 1987;  56 222-224
• 17 Felts W M, Crouse S, Brunetz M. Influence of aerobic fitness on ratings of perceived exertion during light to moderate exercise.  Percept Mot Skills. 1988;  67 671-676
• 18 Gamberale F. Perceived exertion, heart rate, oxygen uptake and blood lactate in different work operations.  Ergonomics. 1972;  15 545-554
• 19 Garcin M. Étude de la perception de l’effort au cours d’exercices triangulaires et rectangulaires. Thèse en Sciences de la Vie et de la santé, de l’Université Paris VI,. 1997
• 20 Garcin M, Fleury A, Billat V. The ratio HLa:RPE as a tool to appreciate overreaching in young high-level middle-distance runners.  Int J Sports Med. 2002;  23 16-21
• 21 Garcin M, Mille-Hamard L, Devillers S, Dufour S, Delattre E, Billat V. Influence of physical previous practice on ratings of perceived exertion (RPE) and estimated time limit (ETL) during endurance exercises.  Submitted at Perceptual and Motor Skills
• 22 Garcin M, Vandewalle H, Monod H. A new rating scale of perceived exertion based on subjective estimation of exhaustion time: a preliminary study.  Int J Sports Med. 1999;  20 40-43
• 23 Garcin M, Vautier J F, Vandewalle H, Wolff M, Monod H. Ratings of perceived exertion (RPE) during cycling exercises at constant power output.  Ergonomics. 1998;  41 1500-1509
• 24 Garcin M, Wolff M, Bejma T. Reliability of rating scales of perceived exertion and heart rate during progressive and maximal constant load exercises till exhaustion in physical education students.   Int J Sports Med. 2003;  24 285-290
• 25 Haskvitz E M, Seip R L, Weltman J Y, Rogol A D, Weltman A. The effect of training intensity on ratings of perceived exertion.  Int J Sports Med. 1992;  13 377-383
• 26 Hassmen P. Perceptual and physiological responses to cycling and running in groups of trained and untrained subjects.  Eur J Appl Physiol. 1990;  60 445-451
• 27 Hays W L. Statistics.  5th ed. New-York: Harcourt Brace College, 1994
• 28 Hill D W, Cureton K J, Grishman S C, Collins M A. Effects of training on the rating of perceived exertion at the ventilatory threshold.  Eur J Appl Physiol. 1987;  56 206-211
• 29 Horstman D H, Morgan W P, Cymerman A, Stokes J. Perception of effort during constant work to self imposed exhaustion.  Percept Mot Skills. 1979;  48 1111-1126
• 30 Kamber M. Laktatmessungen in der Sportmedizin: Messmethodenvergleich.  Schweiz Ztschr Sportmed. 1992;  40 77-86
• 31 Ljunggren G, Johansson S E. Use of submaximal measures of perceived exertion during bicycle ergometer exercise as predictors of maximal work capacity.  J Sports Sci. 1988;  6 189-203
• 32 MacLaughlin J E, King G A, Howley E T, Bassett DR Jr, Ainsworth B E. Validation of the COSMED K4b² portable metabolic system.  Int J Sports Med. 2001;  22 280-284
• 33 Mihevic P M. Cardiovascular fitness and the psychophysics of perceived exertion.  Res Quart Exerc Sport. 1983;  54 239-246
• 34 Monohan T. Perceived exertion: an old exercise tool finds new applications.  Phys Sportsmed. 1988;  16 174-180
• 35 Morgan W P, Borg G V. Perception of effort in the prescription of physical activity.  In: Craig T (ed). Mental Health and Emotional Aspects of Sports.  Chicago: American Medical Association, 1977: 126-129
• 36 Parfitt G, Eston R. Changes in ratings of perceived exertion and psychological affect in the early stages of exercise.  Percept Mot Skills. 1995;  80 259-266
• 37 Pollock M L, Jackson A S, Foster C. The use of the perception scale for exercise prescription.  In: Borg G, Ottoson D (eds). The Perception of Exertion in Physical Work.  London: Wennergren Center Int Symp Series, Mac Millan Press, 1986: 161-176
• 38 Robertson R J, Noble B J. Perception of physical exertion: methods, mediators, and applications. Review.  Exerc Sport Sci Rev. 1997;  25 407-452
• 39 Russel W D. On the current status of rated perceived exertion.  Percept Mot Skills. 1997;  84 799-808
• 40 Seip R L, Snead D, Pierce E F, Stein P, Weltman A. Perceptual responses and blood lactate concentration: effect of training state.  Med Sci Sports Exerc. 1991;  23 80-87
• 41 Shephard R J, Vandewalle H, Gil V, Bouhlel E, Monod H. Respiratory, muscular and overall perceptions of effort: the influence of hypoxia and muscle mass.  Med Sci Sports Exerc. 1992;  24 556-567
• 42 Skinner J S, Hustler R, Bergsteinova V, Buskirk E R. The validity and reliability of a rating scale of perceived exertion.  Med Sci Sports. 1973;  5 94-96
• 43 Taylor H L, Buskirk E, Henschel A. Maximal oxygen uptake as an objective measure of cardiorespiratory performance.  J Appl Physiol. 1955;  8 73-80
• 44 Travlos A K, Marisi D Q. Perceived exertion during physical exercise among individuals high and low in fitness.  Percept Mot Skills. 1996;  82 419-424
• 45 Vautier J F. Puissance critique, indice d’endurance du travail dynamique. Thèse de Biomécanique et Physiologie du Mouvement, de l’Université Paris XI,. 1994
• 46 Williams D H, Williams C. Cardiovascular and metabolic responses of trained and untrained middle-aged men to a graded treadmill walking test.  Br J Sports Med. 1983;  17 110-116
• 47 Wilmore J H, Roby F B, Stanforth P R, Buono M J, Constable S H, Tsao Y, Lowdon B J. Ratings of perceived exertion, heart rate, and treadmill speed in the prediction of maximal oxygen uptake during submaximal treadmill exercise.  J Cardiopul Rehab. 1985;  5 540-546
• 48 Wilmore J H, Roby F B, Stanforth P R, Buono M J, Constable S H, Tsao Y, Lowdon B J. Ratings of perceived exertion, heart rate, and power output in the predicting maximal oxygen uptake during submaximal cycle ergometry.  Phys Sportsmed. 1986;  14 133-143