Divergent isokinetic muscle strength deficits in street running athletes

Background Running is a very popular activity and muscle strength imbalance has been treated with caution to prevent injuries. Aim The present study aimed to compare and correlate knee flexion and extension strength imbalance based on peak torque (PT) and total work (TW) in running athletes. Methods...

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Bibliographic Details
Published in:Sport sciences for health 2022-09, Vol.18 (3), p.781-788
Main Authors: Grazioli, Rafael, Sobieski, Nataniel, Wilhelm, Eurico N., Brusco, Clarissa Muller, Rech, Anderson
Format: Article
Language:English
Subjects:
Endurance
Human Physiology
Injuries
Knee
Medicine
Medicine & Public Health
Metabolic Diseases
Muscle strength
Original Article
Range of motion
Running
Sports Medicine
Warm up (exercise)
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Summary:Background Running is a very popular activity and muscle strength imbalance has been treated with caution to prevent injuries. Aim The present study aimed to compare and correlate knee flexion and extension strength imbalance based on peak torque (PT) and total work (TW) in running athletes. Methods Thirty-eight male amateur running athletes (38 ± 6 years; 80.6 ± 8.3 kg; 177 ± 7 cm; 7.8 ± 8.4 years of training; 3.5 ± 0.9 training sessions a week; 33.5 ± 13.4 km of training per week) took part in the present study. Knee flexion eccentric and concentric PT and TW, as well as concentric knee extension PT and TW were assessed. PT- and TW-based hamstring-to-quadriceps ratios (H:Q), as well as PT and TW contralateral imbalance were quantified. Results A significant correlation was observed between TW and PT concentric knee flexion contralateral deficits ( r  = 0.52, p   0.05). All mean comparisons of H:Q and contralateral imbalances using TW or PT were significantly different ( p  
ISSN:1824-7490
1825-1234
DOI:10.1007/s11332-021-00856-2