Force-Velocity Profiles of Elite Athletes Tested on a Cycle Ergometer

• Main Authors: Predrag R. Bozic, Bobana Berjan Bacvarevic
• Format: Article
• Language: English
• Published: Montenegrin Sports Academy 2018-03-01
• Series: Montenegrin Journal of Sports Science and Medicine
• Subjects: sprint cycling test; force-velocity relationship; sensitivity; linear regression; elite athletes
• Online Access: http://www.mjssm.me/clanci/MJSSM_March_2018_Bozic_59-66.pdf

The present study explored the sensitivity of the force-velocity (F-V) modelling approach obtained from maximal sprints on a leg cycle ergometer to detect selective changes of the mechanical capacities of the lower body muscles associated with high-level training. Specifically, we assumed that the F-V relationship parameters, such as maximum force (F0 ), velocity (V0 ), power (PM) and slope, would differ among individuals of different high-level training backgrounds. In total, 111 elite athletes divided into four groups (Combat sports, Athletic sprints, Team sports and Physically active) performed maximal sprints on a leg cycle ergometer loaded with 7%, 9%, and 11% of body weight. The findings obtained suggest an exceptionably strong and linear F-V relationship in most of the participants (r > 0.95), while higher PM have been found in all groups of athletes compared to the Physically active group (p < 0.05). In addition, sport-specific F-V profiles have been observed in athletes that belong to distinctively different sports (i.e. higher F0 and forceoriented slope for strength-trained Combat sports and higher V0 for speed-trained Athletic sprints). To our knowledge, this is one of the rare studies that evaluate the F-V profiles with such a large sample of elite athletes obtained from commonly used task such as maximal sprints on a leg cycle ergometer. The results obtained support a high sensitivity of the F-V modelling approach to distinguish among elite athletes with different training histories.