Research Article
Validity of the Calculated VO2max from Cycling Power and VLamax
Issue:
Volume 11, Issue 1, March 2026
Pages:
1-10
Received:
5 February 2026
Accepted:
14 February 2026
Published:
27 February 2026
Abstract: Current VO2max assessment methodologies are based on the usage of expensive ergospirometry devices. Available statistical models neglect the individual’s metabolic characteristics and show low accuracy. We investigated the validity of INSCYD software to calculate VO2max from the power output at all-out cycling efforts, body weight, fat percentage and Lamax as an alternative to ergospirometry. Eleven trained male volunteers performed six maximal cycling tests of 20s to 12 min duration. INSCYD software was used to model the metabolism during the tested efforts and to calculate VO2max. The calculated VO2max was compared with the measured VO2max with ergospirometry during the ramp test and the 3- and 6-min maximal efforts. Excellent agreement was achieved between the calculated and measured VO2max (ramp: -0.21 ml·min-1·kg-1, 95%CI: -2.46 to 2.0 mL·min-1·kg-1; 3min: -1.35 ml·min-1·kg-1, 95%CI: -3.04 to 0.33 mL·min-1·kg-1; 6min: 0.34 mL·min-1·kg-1, 95%CI: -1.01 to 1.68 mL·min-1·kg-1). A valid VO2max can be obtained from the power data of 2 maximal efforts of 3- and 6-min duration and a sprint test to calculate Lamax. This procedure can be implemented in the normal training regimen of athletes, without the need for expensive equipment. Future research should focus on testing the validity of the model on larger samples including females.
Abstract: Current VO2max assessment methodologies are based on the usage of expensive ergospirometry devices. Available statistical models neglect the individual’s metabolic characteristics and show low accuracy. We investigated the validity of INSCYD software to calculate VO2max from the power output at all-out cycling efforts, body weight, fat percentage a...
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Research Article
Physical and Sports Education in High Schools in the Eastern Democratic Republic of Congo: Significance, Challenges, and Implication for Social Work
Issue:
Volume 11, Issue 1, March 2026
Pages:
11-21
Received:
19 November 2025
Accepted:
4 December 2025
Published:
25 April 2026
DOI:
10.11648/j.ijsspe.20261101.12
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Abstract: Physical and sports education (PES) is an integral part of the student's curriculum and contributes to their mental health. The Congolese educational system offers a PES program for young students from primary to secondary school. In the post-conflict context, knowledge about the involvement of social work remains almost non-existent. This article examines practices related to PES, challenges, importance of PES in high schools, and highlights the implication of social work. Based on interviews with students and teachers following the saturation principle. It is cross-sectional and descriptive with 49 study participants. This study finds that PES promotes the mental health of students. The latter are confronted with challenges such as organizational, financial, teacher’s profiles, and the space for practices, the lack of clear objectives assigned to the practice of PES, and the lack of innovative projects in PES. Students and teachers recognize the importance of PES in the process of their mental health. Recognizing the roles of social workers in eastern Democratic Republic of Congo (DRC) can become a stepping stone to improving PES as a therapeutic framework for students. This article supports the implication of social work to promote an inclusive framework through the collaboration of different stakeholders in the school environment for the effectiveness of PES in high schools.
Abstract: Physical and sports education (PES) is an integral part of the student's curriculum and contributes to their mental health. The Congolese educational system offers a PES program for young students from primary to secondary school. In the post-conflict context, knowledge about the involvement of social work remains almost non-existent. This article ...
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,
Asatur Khurshudyan
