The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer
Objective This study aimed to determine the association between changes in lactate production and levels of physical activity in a group of healthy young adults in response to two squat training protocols. Material and methods Twenty-nine students majoring in Sports Science willingly participated in...
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PeerJ Inc.
2025-01-01
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| author | Indya del-Cuerpo Daniel Jerez-Mayorga Luis Javier Chirosa-Ríos Felipe Caamaño-Navarrete Pedro Delgado-Floody |
| author_facet | Indya del-Cuerpo Daniel Jerez-Mayorga Luis Javier Chirosa-Ríos Felipe Caamaño-Navarrete Pedro Delgado-Floody |
| author_sort | Indya del-Cuerpo |
| collection | DOAJ |
| description | Objective This study aimed to determine the association between changes in lactate production and levels of physical activity in a group of healthy young adults in response to two squat training protocols. Material and methods Twenty-nine students majoring in Sports Science willingly participated in this study. Participants visited the lab four times within a two-week period, ensuring at least 48 h between visits. In each session, they completed three sets of 12 repetitions at 75% 1RM and three sets of 30 repetitions at 50% of maximum strength, with the order of protocols being randomized. Results In the regression analysis, there was a significant positive association between lactate delta changes immediately post-squat at 50% of maximum strength at session 2 with the variable “sex: women” (β: 3.02, 95% CI [−0.18–0.30], p = 0.047) and BMI (kg/m2). Age exhibited a positive association (β: 0.19, 95% CI [0.02–0.36], p = 0.032) with lactate delta changes immediately post-squat at 75% of maximum strength at session 2. There was also a significant inverse association between lactate delta changes at 10 min post-squat test exercise at 75% of maximum strength at session 1 and 2, and vigorous physical activity (−0.01, 95% CI [−0.02–0.00], p = 0.046). Conclusion In summary, this study provides valuable insights into the association between lactate production and physical activity levels in young, healthy adults undergoing different squat training protocols. These findings suggest that intense physical activity may be associated with lower lactate production, indicating greater metabolic efficiency. In addition, sex differences in metabolic responses were observed, emphasizing the importance of personalized approaches in program design. |
| format | Article |
| id | doaj-art-49edcb72ab934f2f83b11bbe5b4e6de4 |
| institution | Kabale University |
| issn | 2167-8359 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | PeerJ Inc. |
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| spelling | doaj-art-49edcb72ab934f2f83b11bbe5b4e6de42025-01-26T15:05:16ZengPeerJ Inc.PeerJ2167-83592025-01-0113e1821510.7717/peerj.18215The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometerIndya del-Cuerpo0Daniel Jerez-Mayorga1Luis Javier Chirosa-Ríos2Felipe Caamaño-Navarrete3Pedro Delgado-Floody4Department of Physical Education and Sport, Faculty of Sports Sciences, University of Granada, Granada, Granada, SpainDepartment of Physical Education and Sport, Faculty of Sports Sciences, University of Granada, Granada, Granada, SpainDepartment of Physical Education and Sport, Faculty of Sports Sciences, University of Granada, Granada, Granada, SpainPhysical Education Career, Universidad Autónoma de Chile, Temuco, Temuco, ChileDepartment of Physical Education, Sport and Recreation, Universidad de La Frontera, Temuco, Temuco, ChileObjective This study aimed to determine the association between changes in lactate production and levels of physical activity in a group of healthy young adults in response to two squat training protocols. Material and methods Twenty-nine students majoring in Sports Science willingly participated in this study. Participants visited the lab four times within a two-week period, ensuring at least 48 h between visits. In each session, they completed three sets of 12 repetitions at 75% 1RM and three sets of 30 repetitions at 50% of maximum strength, with the order of protocols being randomized. Results In the regression analysis, there was a significant positive association between lactate delta changes immediately post-squat at 50% of maximum strength at session 2 with the variable “sex: women” (β: 3.02, 95% CI [−0.18–0.30], p = 0.047) and BMI (kg/m2). Age exhibited a positive association (β: 0.19, 95% CI [0.02–0.36], p = 0.032) with lactate delta changes immediately post-squat at 75% of maximum strength at session 2. There was also a significant inverse association between lactate delta changes at 10 min post-squat test exercise at 75% of maximum strength at session 1 and 2, and vigorous physical activity (−0.01, 95% CI [−0.02–0.00], p = 0.046). Conclusion In summary, this study provides valuable insights into the association between lactate production and physical activity levels in young, healthy adults undergoing different squat training protocols. These findings suggest that intense physical activity may be associated with lower lactate production, indicating greater metabolic efficiency. In addition, sex differences in metabolic responses were observed, emphasizing the importance of personalized approaches in program design.https://peerj.com/articles/18215.pdfPhysical activityLactate productionMetabolic efficiencyFunctional electromechanical dynamometry |
| spellingShingle | Indya del-Cuerpo Daniel Jerez-Mayorga Luis Javier Chirosa-Ríos Felipe Caamaño-Navarrete Pedro Delgado-Floody The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer PeerJ Physical activity Lactate production Metabolic efficiency Functional electromechanical dynamometry |
| title | The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| title_full | The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| title_fullStr | The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| title_full_unstemmed | The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| title_short | The influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| title_sort | influence of physical activity levels on lactate production during squat training using a functional electromechanical dynamometer |
| topic | Physical activity Lactate production Metabolic efficiency Functional electromechanical dynamometry |
| url | https://peerj.com/articles/18215.pdf |
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