Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training

Dan Fransson; Tobias Schmidt Nielsen; Karl Olsson; Tobias Christensson; Paul S Bradley; Ioannis G Fatouros; Peter Krustrup; Nikolai Baastrup Nordsborg; Magni Mohr

doi:10.1007/s00421-017-3751-5

Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training

Dan Fransson, Tobias Schmidt Nielsen, Karl Olsson, Tobias Christensson, Paul S Bradley, Ioannis G Fatouros, Peter Krustrup, Nikolai Baastrup Nordsborg, Magni Mohr

The August Krogh Section for Human Physiology

20 Citations (Scopus)

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Abstract

Purpose: To examine the skeletal muscle and performance responses across two different exercise training modalities which are highly applied in soccer training. Methods: Using an RCT design, 39 well-trained male soccer players were randomized into either a speed endurance training (SET; n = 21) or a small-sided game group (SSG; n = 18). Over 4 weeks, thrice weekly, SET performed 6–10 × 30-s all-out runs with 3-min recovery, while SSG completed 2 × 7–9-min small-sided games with 2-min recovery. Muscle biopsies were obtained from m. vastus lateralis pre and post intervention and were subsequently analysed for metabolic enzyme activity and muscle protein expression. Moreover, the Yo–Yo Intermittent Recovery level 2 test (Yo–Yo IR2) was performed. Results: Muscle CS maximal activity increased (P < 0.05) by 18% in SET only, demonstrating larger (P < 0.05) improvement than SSG, while HAD activity increased (P < 0.05) by 24% in both groups. Na⁺–K⁺ ATPase α₁ subunit protein expression increased (P < 0.05) in SET and SSG (19 and 37%, respectively), while MCT4 protein expression rose (P < 0.05) by 30 and 61% in SET and SSG, respectively. SOD2 protein expression increased (P < 0.05) by 28 and 37% in SET and SSG, respectively, while GLUT-4 protein expression increased (P < 0.05) by 40% in SSG only. Finally, SET displayed 39% greater improvement (P < 0.05) in Yo–Yo IR2 performance than SSG. Conclusion: Speed endurance training improved muscle oxidative capacity and exercise performance more pronouncedly than small-sided game training, but comparable responses were in muscle ion transporters and antioxidative capacity in well-trained male soccer players.

Original language	English
Journal	European Journal of Applied Physiology
Volume	118
Issue number	1
Pages (from-to)	111-121
Number of pages	11
ISSN	1439-6319
DOIs	https://doi.org/10.1007/s00421-017-3751-5
Publication status	Published - 1 Jan 2018

Keywords

Antioxidant capacity
Intermittent exercise
Muscle fatigue
Muscle oxidative capacity
Na+-K+ ATPase activity
Football

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10.1007/s00421-017-3751-5

Fransson et al_European Journal of Applied Physiology_2018_Vol 118(1)_111-121Final published version, 680 KBLicence: CC BY

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Fransson, D., Nielsen, T. S., Olsson, K., Christensson, T., Bradley, P. S., Fatouros, I. G., Krustrup, P., Nordsborg, N. B., & Mohr, M. (2018). Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training. European Journal of Applied Physiology, 118(1), 111-121. https://doi.org/10.1007/s00421-017-3751-5

Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training. / Fransson, Dan; Nielsen, Tobias Schmidt; Olsson, Karl et al.
In: European Journal of Applied Physiology, Vol. 118, No. 1, 01.01.2018, p. 111-121.

Research output: Contribution to journal › Journal article › Research › peer-review

Fransson, D, Nielsen, TS, Olsson, K, Christensson, T, Bradley, PS, Fatouros, IG, Krustrup, P, Nordsborg, NB & Mohr, M 2018, 'Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training', European Journal of Applied Physiology, vol. 118, no. 1, pp. 111-121. https://doi.org/10.1007/s00421-017-3751-5

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title = "Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training",

abstract = "Purpose: To examine the skeletal muscle and performance responses across two different exercise training modalities which are highly applied in soccer training. Methods: Using an RCT design, 39 well-trained male soccer players were randomized into either a speed endurance training (SET; n = 21) or a small-sided game group (SSG; n = 18). Over 4 weeks, thrice weekly, SET performed 6–10 × 30-s all-out runs with 3-min recovery, while SSG completed 2 × 7–9-min small-sided games with 2-min recovery. Muscle biopsies were obtained from m. vastus lateralis pre and post intervention and were subsequently analysed for metabolic enzyme activity and muscle protein expression. Moreover, the Yo–Yo Intermittent Recovery level 2 test (Yo–Yo IR2) was performed. Results: Muscle CS maximal activity increased (P < 0.05) by 18% in SET only, demonstrating larger (P < 0.05) improvement than SSG, while HAD activity increased (P < 0.05) by 24% in both groups. Na+–K+ ATPase α1 subunit protein expression increased (P < 0.05) in SET and SSG (19 and 37%, respectively), while MCT4 protein expression rose (P < 0.05) by 30 and 61% in SET and SSG, respectively. SOD2 protein expression increased (P < 0.05) by 28 and 37% in SET and SSG, respectively, while GLUT-4 protein expression increased (P < 0.05) by 40% in SSG only. Finally, SET displayed 39% greater improvement (P < 0.05) in Yo–Yo IR2 performance than SSG. Conclusion: Speed endurance training improved muscle oxidative capacity and exercise performance more pronouncedly than small-sided game training, but comparable responses were in muscle ion transporters and antioxidative capacity in well-trained male soccer players.",

keywords = "Antioxidant capacity, Intermittent exercise, Muscle fatigue, Muscle oxidative capacity, Na+-K+ ATPase activity, Football",

author = "Dan Fransson and Nielsen, {Tobias Schmidt} and Karl Olsson and Tobias Christensson and Bradley, {Paul S} and Fatouros, {Ioannis G} and Peter Krustrup and Nordsborg, {Nikolai Baastrup} and Magni Mohr",

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AU - Nielsen, Tobias Schmidt

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AU - Christensson, Tobias

AU - Bradley, Paul S

AU - Fatouros, Ioannis G

AU - Krustrup, Peter

AU - Nordsborg, Nikolai Baastrup

AU - Mohr, Magni

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N2 - Purpose: To examine the skeletal muscle and performance responses across two different exercise training modalities which are highly applied in soccer training. Methods: Using an RCT design, 39 well-trained male soccer players were randomized into either a speed endurance training (SET; n = 21) or a small-sided game group (SSG; n = 18). Over 4 weeks, thrice weekly, SET performed 6–10 × 30-s all-out runs with 3-min recovery, while SSG completed 2 × 7–9-min small-sided games with 2-min recovery. Muscle biopsies were obtained from m. vastus lateralis pre and post intervention and were subsequently analysed for metabolic enzyme activity and muscle protein expression. Moreover, the Yo–Yo Intermittent Recovery level 2 test (Yo–Yo IR2) was performed. Results: Muscle CS maximal activity increased (P < 0.05) by 18% in SET only, demonstrating larger (P < 0.05) improvement than SSG, while HAD activity increased (P < 0.05) by 24% in both groups. Na+–K+ ATPase α1 subunit protein expression increased (P < 0.05) in SET and SSG (19 and 37%, respectively), while MCT4 protein expression rose (P < 0.05) by 30 and 61% in SET and SSG, respectively. SOD2 protein expression increased (P < 0.05) by 28 and 37% in SET and SSG, respectively, while GLUT-4 protein expression increased (P < 0.05) by 40% in SSG only. Finally, SET displayed 39% greater improvement (P < 0.05) in Yo–Yo IR2 performance than SSG. Conclusion: Speed endurance training improved muscle oxidative capacity and exercise performance more pronouncedly than small-sided game training, but comparable responses were in muscle ion transporters and antioxidative capacity in well-trained male soccer players.

AB - Purpose: To examine the skeletal muscle and performance responses across two different exercise training modalities which are highly applied in soccer training. Methods: Using an RCT design, 39 well-trained male soccer players were randomized into either a speed endurance training (SET; n = 21) or a small-sided game group (SSG; n = 18). Over 4 weeks, thrice weekly, SET performed 6–10 × 30-s all-out runs with 3-min recovery, while SSG completed 2 × 7–9-min small-sided games with 2-min recovery. Muscle biopsies were obtained from m. vastus lateralis pre and post intervention and were subsequently analysed for metabolic enzyme activity and muscle protein expression. Moreover, the Yo–Yo Intermittent Recovery level 2 test (Yo–Yo IR2) was performed. Results: Muscle CS maximal activity increased (P < 0.05) by 18% in SET only, demonstrating larger (P < 0.05) improvement than SSG, while HAD activity increased (P < 0.05) by 24% in both groups. Na+–K+ ATPase α1 subunit protein expression increased (P < 0.05) in SET and SSG (19 and 37%, respectively), while MCT4 protein expression rose (P < 0.05) by 30 and 61% in SET and SSG, respectively. SOD2 protein expression increased (P < 0.05) by 28 and 37% in SET and SSG, respectively, while GLUT-4 protein expression increased (P < 0.05) by 40% in SSG only. Finally, SET displayed 39% greater improvement (P < 0.05) in Yo–Yo IR2 performance than SSG. Conclusion: Speed endurance training improved muscle oxidative capacity and exercise performance more pronouncedly than small-sided game training, but comparable responses were in muscle ion transporters and antioxidative capacity in well-trained male soccer players.

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KW - Intermittent exercise

KW - Muscle fatigue

KW - Muscle oxidative capacity

KW - Na+-K+ ATPase activity

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DO - 10.1007/s00421-017-3751-5

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JO - European Journal of Applied Physiology

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ER -

Skeletal muscle and performance adaptations to high-intensity training in elite male soccer players: speed endurance runs versus small-sided game training

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Keywords

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