The effect of caffeine ingestion on functional performance in older adults
- 370 Downloads
Caffeine is a widely used nutritional supplement which has been shown to enhance both physical and cognitive performance in younger adults. However, few studies have assessed the effect of caffeine ingestion on performance, particularly functional performance in older adults. The present study aims to assess the effect of acute caffeine ingestion on functional performance, manual dexterity and readiness to invest effort in older adults.
19 apparently healthy, volunteers (10 females and 9 males aged 61–79; 66±2 years) performed tests of functional fitness and manual dexterity post ingestion of caffeine (3mg*kg-1) or placebo in a randomised order. Pre and 60 minutes post ingestion, participants also completed measures of readiness to invest physical (RTIPE) and mental (RTIME) effort.
A series of repeated measures ANOVAS indicated enhanced performance in the following functional fitness tests; arm curls (P =.04), 8 foot up and go (P =.007), six minute walk (P =.016). Manual dexterity was also improved in the presence of caffeine (P =.001). RTIME increased (P =.015) pre to post ingestion in the caffeine condition but not in the placebo condition. There were no significant main effects or interactions for RTIPE or gender in any analysis (all P>gt;.05).
The results of this study suggest that acute caffeine ingestion positively enhances functional performance, manual dexterity and readiness to invest effort in apparently healthy older adults.
KeywordsCaffeine Functional Performance Caffeine Ingestion Manual Dexterity Nutr Health Aging Volume
Unable to display preview. Download preview PDF.
- 10.Duncan MJ, Tallis J, Leddington Wright S, Eyre ELJ, Bryant E, Langdon D. The effect of acute caffeine ingestion on coincidence anticipation timing in younger and older adults. Nutr Neurosci Epub ahead of print, 2013.Google Scholar
- 13.Lorist MM, Snel J, Gijsbertus M, Kok A. Aging, caffeine, and information processing: an event-related potential analysis Electroencephalogr Clin Neurophysiol 1995;96:453–467.Google Scholar
- 26.Marlat GA, Rohsenhow DJ. Cognitive approaches in alcohol use: Expectancy and the balanced placebo design. In: Mello NK (ed) Advances in substance abuse: Behavioural and Biological Research. JAI Press Greenwich, CA, 1980;pp159–199.Google Scholar
- 27.Rikli R, Jones CJ. Senior Fitness Test Manual. Human Kinetics Champaign, IL.Google Scholar
- 29.Rikli R, Jones J. Development and validation of a functional fitness test for community-residing older adults. J Aging Phys Act 1999;7:129–161.Google Scholar
- 31.Tabachnick BG, Fidell, LS. Using multivariate statistics. Fifth Edition. Pearson Education London, 2007Google Scholar
- 36.Stelmach GE, Nahom A. Cognitive motor abilities of elderly drivers. Hum Fact 1992;34:53–65.Google Scholar
- 39.Starbucks. Nutritional information. Available from: http://customerservice. starbucks.com/app/answers/list/session/L3RpbWUvMTM3NjQyODk1Ni9zaWQvRWE3RUFIeGw%3D/c/115,116. Accessed 5th December 2013.Google Scholar