+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Muscular adaptation and strength during the early phase of eccentric training: influence of the training frequency



Muscular adaptation and strength during the early phase of eccentric training: influence of the training frequency



Medicine and Science in Sports and Exercise 29(12): 1646-1652



We investigated the effects of different training frequencies on maximum isometric voluntary contraction (MVC) force and plasma concentrations of muscle proteins during the early phase of eccentric training. MVC and plasma concentrations of creatine kinase (CK) and slow-twitch skeletal (cardiac beta-type) myosin heavy chain (MHC) fragments were measured before and 4 and 7 d after performing the first and last training task. Training tasks, which comprised 70 high-force eccentric contractions involving the thigh muscles (single leg), were performed under supervision in three groups (A, B, C) at the beginning and at the end of the study period (7 wk). In addition, groups A (N = 10) and B (N = 10) trained during the study period starting 1 wk after the first training task. Group A performed one training task once a week for 5 wk and group B (N = 10) twice a week for 2 wk and three times a week during the subsequent 3 wk. In all three groups the first training task resulted in delayed CK and MHC peaks and decrements in MVC, which were comparable (P > 0.05). Only training regimen B resulted in a significant increase in the MVC. Compared with the first training task training regimens, A and B significantly (P < 0.01) reduced the increase in serum muscle protein and muscle function impairment. The responses to the last training task did not differ significantly between groups A and B. In group C the responses after the second training task did not differ significantly from those observed after the first task. Our results suggest that, compared with group A, additional eccentric exercise in group B is the essential basis for the increase in muscle strength during the early phase of eccentric training without further benefits for muscular adaptation. In group C we found no muscular adaptation.

Please choose payment method:






(PDF emailed within 1 workday: $29.90)

Accession: 046746776

Download citation: RISBibTeXText

PMID: 9432099


Related references

Aging effects on motor skill learning as an early neuromuscular adaptation during concentric and eccentric dorsiflexor strength training. Society for Neuroscience Abstracts 22(1-3): 130, 1996

Early-phase neuroendocrine responses and strength adaptations following eccentric-enhanced resistance training. Journal of Strength and Conditioning Research 22(4): 1205-1214, 2008

Higher Training Frequency Is Important for Gaining Muscular Strength Under Volume-Matched Training. Frontiers in Physiology 9: 744-744, 2018

Comparative effects of training, concentric training, eccentric training and their combination on strength of selected body segments. British Journal of Sports Medicine 44(Suppl_1): I22-I22, 2010

Effects of Menstrual Phase-Dependent Resistance Training Frequency on Muscular Hypertrophy and Strength. Journal of Strength and Conditioning Research 30(6): 1727-1734, 2015

Effects of eccentric and concentric resistance training on muscular strength. Medicine & Science in Sports & Exercise 21(2 SUPPL): S88, 1989

Effects of 4 weeks of traditional resistance training vs. superslow strength training on early phase adaptations in strength, flexibility, and aerobic capacity in college-aged women. Journal of Strength and Conditioning Research 25(11): 3006-3013, 2012

Muscular adaptations to computer-guided strength training with eccentric overload. Acta Physiologica Scandinavica 182(1): 77-88, 2004

Concurrent training in elite male runners: the influence of strength versus muscular endurance training on performance outcomes. Journal of Strength and Conditioning Research 27(9): 2433-2443, 2014

Comparison of effects of eccentric training, eccentric-concentric training, and eccentric-concentric training combined with isometric contraction in the treatment of lateral elbow tendinopathy. Journal of Hand Therapy 30(1): 13-19, 2016

Effects of strength training with eccentric overload on muscle adaptation in male athletes. European Journal of Applied Physiology 108(4): 821-836, 2010

Increasing Lean Mass and Strength: A Comparison of High Frequency Strength Training to Lower Frequency Strength Training. International Journal of Exercise Science 9(2): 159-167, 2016

Physical training of forest apprentices. 1. Results of some training programmes. 2. Physiological aspects of muscular-strength training.. Rapp. Uppsats. Instn. Skogstek. Skogshogsk., Stockh, 20, 66 + 4, 1963

Is enhanced-eccentric resistance training superior to traditional training for increasing elbow flexor strength?. Journal of Sports Science & Medicine 2(2): 62-69, 2003

Neuromuscular adaptation during prolonged strength training, detraining and re-strength-training in middle-aged and elderly people. European Journal of Applied Physiology 83(1): 51-62, 2000