Abstract
Our objective was to design an eccentric bicycle design to elicit delayed onset muscle soreness (DOMS). To assess the bicycle designs' ability to elicit DOMS, fourteen, recreationally active, males performed five-minutes of eccentric bicycling at 50% of their individualized power determined from a modified six-second Wingate test. Outcome measures to assess DOMS included the Likert pain scale, creatine kinase, lactate blood concentration, and pressure algometry detection evaluated at four time points (baseline (before the eccentric bicycling), immediate post, 24 hours post, and 48 hours post). The Likert pain scale was different (F = 75.88, p < 0.001) at baseline (0.14 ± 0.36) and immediate post (0.21 ± 0.43), compared to 24 hours post (3.07 ± 0.83), and 48 hours post (2.93 ± 1.07). No changes were reported for creatine kinase (F = 0.7167, p = 0.475), lactate blood concentration (F = 2.313, p = 0.107), or pressure algometry detection. To understand mechanisms of DOMS, there is a need for a consistent, reliable method for producing DOMS. Our eccentric bicycle design and protocol offers an alternative approach to previous eccentric ergometer designs - demonstrating the potential to elicit DOMS in one, five-minute session.
Highlights
Our objective was to design an eccentric bicycle design to elicit delayed onset muscle soreness (DOMS)
The central hypothesis was that the eccentric bicycle design would elicit DOMS following a one, five-minute eccentric exercise protocol, supported by increases in creatine kinase, lactate production, and the Likert scale 24-48 hours after eccentric exercise
The central hypothesis was that DOMS would occur following our eccentric bicycling protocol, supported by increases in creatine kinase, lactate production, and pain 24-48 hours after eccentric bicycling
Summary
Our objective was to design an eccentric bicycle design to elicit delayed onset muscle soreness (DOMS). Outcome measures to assess DOMS included the Likert pain scale, creatine kinase, lactate blood concentration, and pressure algometry detection evaluated at four time points (baseline (before the eccentric bicycling), immediate post, 24 hours post, and 48 hours post). DOMS can adversely affect muscular performance due to voluntary reduction of effort and inherent loss of muscle capacity to produce force [5] that temporally produces metabolites and by-products of tissue damage in the body These metabolites result in inefficient blood supply, and lack of oxygen in the contracting muscle, leading to pain, muscle weakness, decline of range of motion, and reduction of proprioceptive ability [6]. The central hypothesis was that the eccentric bicycle design would elicit DOMS following a one, five-minute eccentric exercise protocol, supported by increases in creatine kinase, lactate production, and the Likert scale 24-48 hours after eccentric exercise
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