Full TGIF Record # 249740
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DOI:10.1016/j.jsams.2008.08.005
Web URL(s):https://www.sciencedirect.com/science/article/pii/S144024400800162X
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Publication Type:
i
Refereed
Author(s):Small, K.; McNaughton, L.; Greig, M.; Lovell, R.
Author Affiliation:Small, McNaughton and Lovell; Department of Sport, Health and Exercise Science, University of Hull, Hull; Greig: Department of Sport and Physical Activity, Edge Hill University, Ormskirk, Lancashire, England, United Kingdom
Title:The effects of multidirectional soccer-specific fatigue on markers of hamstring injury risk
Section:Sports science
Other records with the "Sports science" Section
Source:Journal of Science and Medicine in Sport. Vol. 13, No. 1, January 2010, p. 120-125.
Publishing Information:Belconnen, Australia: Sports Medicine Australia
# of Pages:6
Related Web URL:https://www.jsams.org/article/S1440-2440%2808%2900162-X/abstract
    Last checked: 07/12/2018
    Notes: Abstract only
Keywords:TIC Keywords: Athletic injuries; Football fields; Health concerns; Injurious factors; Risk assessment; Soccer fields; Surfaces
Abstract/Contents:"The purpose of this work was to investigate the effect of multidirectional soccer-specific fatigue on hamstring muscle strength and angle of peak torque. Sixteen male semi-professional soccer players (mean ± S.D.: age: 21.3 ± 2.9 years; height 185.0 ± 8.7 cm; body mass 81.6 ± 6.7 kg) completed the SAFT90, a multidirectional, intermittent 90-min exercise protocol based on data from English Championship soccer matches. Prior to exercise (t0), at half-time (t 45) and post-exercise (t 105), subjects performed three maximal dominant limb isokinetic contractions (Biodex, System 3) at 120° s -1 through a 90° range for concentric and eccentric knee flexors and concentric knee extensors. Analysis of variance revealed significant time dependent reductions in gravity corrected eccentric hamstring peak torque, and consequently in the functional hamstring:quadriceps ratio (P < 0.01). Eccentric hamstring peak torque decreased significantly during each half (t0),: 272.0 ± 43.2; t 45: 240.4 ± 43.3; t 105: 226.3 ± 45.7 N m). The functional hamstring:quadriceps ratio also decreased significantly during each half (t0): 116.6 ± 21.2; t 45: 107.1 ± 17.6; t 105: 98.8 ± 20.3%). There were no significant changes in concentric hamstring or quadriceps peak torque observed during SAFT90 (P > 0.05). Data analysis also revealed significant differences for Angle of Peak Torque for eccentric hamstrings (P < 0.05) which was significantly higher at the end of each half (t 45: 37 ± 15; t 105: 38 ± 18°) than the pre-exercise value (t0): 28 ±12°). There was a time dependent decrease in peak eccentric hamstring torque and in the functional strength ratio which may have implications for the increased predisposition to hamstring strain injury during the latter stages of match-play."
Language:English
References:29
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Small, K., L. McNaughton, M. Greig, and R. Lovell. 2010. The effects of multidirectional soccer-specific fatigue on markers of hamstring injury risk. J. Sci. Med. Sport. 13(1):p. 120-125.
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DOI: 10.1016/j.jsams.2008.08.005
Web URL(s):
https://www.sciencedirect.com/science/article/pii/S144024400800162X
    Last checked: 07/12/2018
    Access conditions: Item is within a limited-access website
https://www.jsams.org/article/S1440-2440%2808%2900162-X/fulltext
    Last checked: 07/12/2018
    Access conditions: Item is within a limited-access website
https://www.jsams.org/article/S1440-2440(08)00162-X/pdf
    Last checked: 07/12/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
https://ac.els-cdn.com/S144024400800162X/1-s2.0-S144024400800162X/1-s2.0-S144024400800162X-main.pdf?_tid=9b9487f6-4f2a-438c-8446-0de579e17a61&acdnat=1531416827_042db8ed1f9e6000de8164a170c794ba
    Last checked: 07/12/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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