The Effect of Low-intensity Aerobic Training Combined with Blood Flow Restriction on Maximal Strength, Muscle Mass, and Cycling Performance in a Cyclist with Knee Displacement

Fabiano Aparecido Pinheiro, Flávio Oliveira Pires, Bent R. Rønnestad, Felipe Hardt, Miguel Soares Conceição, Manoel E. Lixandrão, Ricardo Berton and Valmor Tricoli
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Fabiano Aparecido Pinheiro: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil
Flávio Oliveira Pires: Exercise Psychophysiology Research Group, School of Arts, Science and Humanities, University of São Paulo, São Paulo 03828-000, Brazil
Bent R. Rønnestad: Section for Health and Exercise Physiology, Inland University of Applied Sciences, 2624 Lillehammer, Norway
Felipe Hardt: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil
Miguel Soares Conceição: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil
Manoel E. Lixandrão: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil
Ricardo Berton: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil
Valmor Tricoli: School of Physical Education and Sport, University of São Paulo, São Paulo 05508-030, Brazil

IJERPH, 2022, vol. 19, issue 5, 1-7

Abstract: Low-intensity aerobic training combined with blood flow restriction (LI + BFR) has resulted in increases in aerobic and neuromuscular capacities in untrained individuals. This strategy may help cyclists incapable of training with high intensity bouts or during a rehabilitation program. However, there is a lack of evidence about the use of LI + BFR in injured trained cyclists. Thus, we investigated the effects of LI + BFR on aerobic capacity, maximal isometric strength, cross-sectional area of vastus lateralis (CSA VL ), time to exhaustion test (TTE), and 20 km cycling time-trial performance (TT20 km) in a male cyclist with knee osteoarthritis (OA). After a 4-week control period, a 9-week (2 days/week) intervention period started. Pre- and post-intervention TT20 km, peak oxygen consumption (VO 2peak ), power output of the 1st and 2nd ventilatory thresholds (1st W VT and 2nd W VT ), maximum power output (W max ), TTE, muscle strength and CSA VL of both legs were measured. Training intensity was fixed at 30% of W max while the duration was progressively increased from 12 min to 24 min. There was a reduction in time to complete TT20 km (−1%) with increases in TT20 km mean power output (3.9%), VO 2peak (11.4%), 2nd W VT (8.3%), W max (3.8%), TTE (15.5%), right and left legs maximal strength (1.3% and 8.5%, respectively) and CSA VL (3.3% and 3.7%, respectively). There was no alteration in 1st W VT . Based on the results, we suggest that LI + BFR may be a promising training strategy to improve the performance of knee-injured cyclists with knee OA.

Keywords: vascular occlusion; knee osteoarthritis; muscle hypertrophy; cycling time-trial (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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