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Light concentric exercise during recovery from exercise-induced muscle damage.
Int J Sports Med. 1995 Aug; 16(6):347-51.IJ

Abstract

Eight male volunteers performed two eccentric exercise bouts using the forearm flexors of first one arm, then the other. The two bouts, consisting of 70 maximum voluntary muscle actions, were separated by a period of three weeks. In the experimental condition of the study, five sets of 10 sub-maximal concentric muscle actions were performed on the four days after the eccentric bout. In the control condition of the study, no concentric work was performed. Repeated measures analysis of variance indicated an increase in serum creatine kinase activity (p < 0.01) and decreases in relaxed elbow angle (p < 0.05) and maximum voluntary contraction force (p < 0.01) at three elbow angles (0.87, 1.57 and 2.79 rad) after both eccentric bouts. However, the serum creatine kinase response to eccentric exercise was reduced in the experimental condition (p < 0.05) and recovery of maximum voluntary force production at the most acute joint angle (0.87 rad) was accelerated (p < 0.01). Although muscle soreness increased after both eccentric bouts (p < 0.05; Wilcoxon test), further concentric exercise evoked temporary relief of muscle soreness two days after the bout (p < 0.05; Wilcoxon test). However, light concentric work had no effect on the other parameters monitored. In practical terms, these results suggest that the therapeutic effects of light concentric work on correlates of exercise-induced muscle damage are minimal.

Authors+Show Affiliations

School of Biological and Molecular Sciences, Oxford Brookes University, U.K.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

7591383

Citation

Saxton, J M., and A E. Donnelly. "Light Concentric Exercise During Recovery From Exercise-induced Muscle Damage." International Journal of Sports Medicine, vol. 16, no. 6, 1995, pp. 347-51.
Saxton JM, Donnelly AE. Light concentric exercise during recovery from exercise-induced muscle damage. Int J Sports Med. 1995;16(6):347-51.
Saxton, J. M., & Donnelly, A. E. (1995). Light concentric exercise during recovery from exercise-induced muscle damage. International Journal of Sports Medicine, 16(6), 347-51.
Saxton JM, Donnelly AE. Light Concentric Exercise During Recovery From Exercise-induced Muscle Damage. Int J Sports Med. 1995;16(6):347-51. PubMed PMID: 7591383.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Light concentric exercise during recovery from exercise-induced muscle damage. AU - Saxton,J M, AU - Donnelly,A E, PY - 1995/8/1/pubmed PY - 1995/8/1/medline PY - 1995/8/1/entrez SP - 347 EP - 51 JF - International journal of sports medicine JO - Int J Sports Med VL - 16 IS - 6 N2 - Eight male volunteers performed two eccentric exercise bouts using the forearm flexors of first one arm, then the other. The two bouts, consisting of 70 maximum voluntary muscle actions, were separated by a period of three weeks. In the experimental condition of the study, five sets of 10 sub-maximal concentric muscle actions were performed on the four days after the eccentric bout. In the control condition of the study, no concentric work was performed. Repeated measures analysis of variance indicated an increase in serum creatine kinase activity (p < 0.01) and decreases in relaxed elbow angle (p < 0.05) and maximum voluntary contraction force (p < 0.01) at three elbow angles (0.87, 1.57 and 2.79 rad) after both eccentric bouts. However, the serum creatine kinase response to eccentric exercise was reduced in the experimental condition (p < 0.05) and recovery of maximum voluntary force production at the most acute joint angle (0.87 rad) was accelerated (p < 0.01). Although muscle soreness increased after both eccentric bouts (p < 0.05; Wilcoxon test), further concentric exercise evoked temporary relief of muscle soreness two days after the bout (p < 0.05; Wilcoxon test). However, light concentric work had no effect on the other parameters monitored. In practical terms, these results suggest that the therapeutic effects of light concentric work on correlates of exercise-induced muscle damage are minimal. SN - 0172-4622 UR - https://wwww.unboundmedicine.com/medline/citation/7591383/Light_concentric_exercise_during_recovery_from_exercise_induced_muscle_damage_ L2 - http://www.thieme-connect.com/DOI/DOI?10.1055/s-2007-973018 DB - PRIME DP - Unbound Medicine ER -