On the shape of the force-velocity relationship in skeletal muscles: The linear, the hyperbolic, and the double-hyperbolic

J Alcazar, R Csapo, I Ara, LM Alegre - Frontiers in physiology, 2019 - frontiersin.org
The shape of the force-velocity (FV) relationship has important implications for different
aspects of muscle physiology, such as muscle efficiency and fatigue, the understanding of …

Skeletal muscle power measurement in older people: a systematic review of testing protocols and adverse events

J Alcazar, A Guadalupe-Grau… - The Journals of …, 2018 - academic.oup.com
Background Muscle power has been proposed to be the primary therapeutic target for
resistance training interventions aimed at enhancing physical function in older adults …

The sit-to-stand muscle power test: An easy, inexpensive and portable procedure to assess muscle power in older people

J Alcazar, J Losa-Reyna, C Rodriguez-Lopez… - Experimental …, 2018 - Elsevier
Introduction Skeletal muscle power has been demonstrated to be a stronger predictor of
functional limitations than any other physical capability. However, no validated alternatives …

Relative sit‐to‐stand power: aging trajectories, functionally relevant cut‐off points, and normative data in a large European cohort

J Alcazar, LM Alegre, E Van Roie… - Journal of Cachexia …, 2021 - Wiley Online Library
Background A validated, standardized, and feasible test to assess muscle power in older
adults has recently been reported: the sit‐to‐stand (STS) muscle power test. This …

Effect of a short multicomponent exercise intervention focused on muscle power in frail and pre frail elderly: a pilot trial

J Losa-Reyna, I Baltasar-Fernandez, J Alcazar… - Experimental …, 2019 - Elsevier
Objectives The aim was to establish whether a short supervised facility-based exercise
program improved frailty, physical function and performance in comparison with usual care …

Functional mobility and physical fitness are improved through a multicomponent training program in institutionalized older adults

S López-López, V Abuín-Porras, LA Berlanga… - GeroScience, 2024 - Springer
Physical exercise has demonstrated its effectiveness in the management of the deleterious
process of aging. However, it is less studied in institutionalized elderly people. This …

Impact of relative muscle power on hospitalization and all-cause mortality in older adults

J Losa-Reyna, J Alcazar, J Carnicero… - The Journals of …, 2022 - academic.oup.com
Background The purpose of this study was to evaluate the relationship of lower-limb muscle
power with mortality and hospitalization. Methods A total of 1 928 participants from the …

Force-velocity profiling in athletes: Reliability and agreement across methods

K Lindberg, P Solberg, T Bjørnsen, C Helland… - PLoS …, 2021 - journals.plos.org
The aim of the study was to examine the test-retest reliability and agreement across methods
for assessing individual force-velocity (FV) profiles of the lower limbs in athletes. Using a …

Effects of concurrent exercise training on muscle dysfunction and systemic oxidative stress in older people with COPD

J Alcazar, J Losa‐Reyna… - … journal of medicine …, 2019 - Wiley Online Library
Oxidative stress is associated with disease severity and limb muscle dysfunction in COPD.
Our main goal was to assess the effects of exercise training on systemic oxidative stress and …

Force-velocity profiling in older adults: An adequate tool for the management of functional trajectories with aging

J Alcazar, C Rodriguez-Lopez, I Ara… - Experimental …, 2018 - Elsevier
Introduction The actual mechanisms leading to a reduced muscle power and functional
ability in older adults are poorly understood. We investigated the association between …