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Acute effect of continuous running or cycling exercise on subsequent strength performance: A Concurrent training study
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]


Aerobic exercise may interfere with subsequent responses to strength training. The aim of this research was to examine the acute effects of cycling or running on subsequent leg strength performance. It was hypothesized that eccentric contractions induced by running would impair strength performance more than the cycling mode of exercise, which consist mainly of concentric muscle actions.


In order to investigate if continuous running or cycling affected following strength performance, 6 healthy individuals (5 males, 1 female) were subjected to a randomized cross-over design. Subject characteristics were age (year) 25,5 ± 2,1, height (cm) 180,5 ± 6,4, and body weight (kg) 83 ± 3,4. The experimental sessions included three protocols: strength protocol (S) which included 3 repetitions measuring peak power followed by 3 sets to muscular failure at 80% of 1RM in the squat exercise; and continuous running (RS) and cycling (CS) conditions (40 minutes at 80% of maximal heart rate), followed by the S protocol. Peak power performance and total work volume was measured.


Average peak power attained between the three protocols were CS = 1639± 444Watts (W), RS = 1633± 422 and S = 1565 ± 349. No significant differences were observed between the three conditions (P = 0,817). No differences across the three protocols was observed for highest peak power attained by each subject (P = 0,619). Total work volume performed (main effect P = 0,027) revealed a significant difference between CS = 2559 kg and S = 3715 kg (P=0,037), and CS and RS = 3345 kg (P=0,037) due to the lower loads lifted in CS. 


There were no differences observed between the three training protocols regarding peak power performance. When cycling exercise was performed prior to the strength session, the total volume lifted was lower than when performing the strength test alone. Thus, it is concluded that cycling exercise, but not running, interferes with subsequent strength training performance.

Abstract [sv]

Syfte och frågeställningar

Uthållighetsträning kan leda till försämrad styrkeprestation. Syftet med denna forskning var att undersöka de akuta effekterna från cykling eller löpning på efterföljande benstyrka. Hypotesen var att löpning, som omfattar excentriska muskelaktioner, skulle leda till en större försämring av efterföljande styrkeprestation jämfört med cyking, som främst omfattar koncentriska muskelaktioner.


För att undersöka om kontinuerlig cykling och löpning påverkade efterföljande benprestation, undersöktes 6 deltagare (5 män, 1 kvinna) i en randomiserad cross-over design. Försökspersonernas karakteristika var ålder (år) 25,5 ± 2,1, längd (cm) 180,5 ± 6,4, vikt (kg) 83 ± 3,4. Försökspersonerna utförde tre experimentella protokoll: styrka (S), vilket bestod av 3 repetitioner av maximal kraftutveckling efterföljt av 3 set till muskulär utmattning på 80% av 1RM i benböj; och löpning (RS) samt cykling (CS) protokoll (40-minuter på 80% av maximal hjärtfrekvens), efterföljt av S protokollet. Data för maximal kraftutveckling och total arbetsvolym samlades in. 


Den genomsnittliga maximala effekten som uppnåddes mellan de tre protokollen var: CS = 1639 ± 444 Watt (W), RS = 1633 ± 422W och S = 1565 ± 349W. Inga signifikanta skillnader observerades mellan de tre förhållandena (P=0,817). Högst uppnådda effekten för varje deltagare mellan de tre förhållandena visade ingen skillnad (P=0,619). Totala arbetsvolymen (tidseffekt: P=0,027) visade signifikanta skillnader mellan CS = 2559 kg och S = 3715 kg (P=0,037), och CS och RS = 3345 kg (P=0,037) på grund av lägre vikt lyft vid CS.


Ingen skillnad observerades mellan de tre förhållandena angående maximal styrkeprestation. Den totala vikt volymen som kunde lyftas var dock lägre när cykling utfördes innan styrketestet. Slutsatsen är därför att cykling, men inte löpning, hindrar maximal träningsprestation vid ett efterföljande styrkepass.

Place, publisher, year, edition, pages
2016. , 31 p.
Examensarbete, 2016:28
Keyword [en]
Concurrent training, Continuous cycling, Continuous running, Acute effect, Aerobic exercise, Strength training, Resistance training, Eccentric, Concentric
National Category
Sport and Fitness Sciences
URN: urn:nbn:se:gih:diva-4526OAI: diva2:951654
Educational program
Master programme
2016-05-27, Stockholm, 12:00 (English)
Available from: 2016-08-10 Created: 2016-08-09 Last updated: 2016-08-10Bibliographically approved

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