Skeletal muscle complications in chronic kidney disease

AD Troutman, E Arroyo, K Lim, RN Moorthi… - Current osteoporosis …, 2022 - Springer
Abstract Purpose of Review To provide an overview of the recent literature investigating the
pathophysiology of skeletal muscle changes, interventions for skeletal muscle, and effects of …

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 …

Changes in systemic GDF15 across the adult lifespan and their impact on maximal muscle power: the Copenhagen Sarcopenia Study

J Alcazar, U Frandsen, T Prokhorova… - Journal of Cachexia …, 2021 - Wiley Online Library
Background Although growth differentiation factor 15 (GDF15) is known to increase with
disease and is associated with low physical performance, the role of GDF15 in normal …

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 …

'Fat but powerful'paradox: association of muscle power and adiposity markers with all-cause mortality in older adults from the EXERNET multicentre study

J Alcazar, D Navarrete-Villanueva, A Mañas… - British Journal of …, 2021 - bjsm.bmj.com
Objectives To assess the influence of muscle power and adiposity on all-cause mortality risk
and to evaluate the 'fat but powerful'(F+ P)(or 'fat but fit') paradox in older adults. Methods A …

[HTML][HTML] Assessment of functional sit-to-stand muscle power: Cross-sectional trajectories across the lifespan

J Alcazar, P Aagaard, B Haddock, RS Kamper… - Experimental …, 2021 - Elsevier
Background The 30-s sit-to-stand (STS) muscle power test is a valid test to assess muscle
power in older people; however, whether it may be used to assess trajectories of lower-limb …

[PDF][PDF] Threshold of relative muscle power required to rise from a chair and mobility limitations and disability in older adults

J Alcazar, LM Alegre, C Suetta, PB Judice… - Med Sci Sports …, 2021 - lirias.kuleuven.be
Purpose: Being able to rise from a chair is paramount for independent living and is strongly
influenced by the ability of the lower limbs to exert mechanical power. This study assessed …

Sit to stand muscle power reference values and their association with adverse events in Colombian older adults

R Ramírez-Vélez, M Izquierdo, A García-Hermoso… - Scientific Reports, 2022 - nature.com
Recently, a valid method to assess lower-body muscle power based on a sit-to-stand field
test (STS) has been published. Our study aimed to describe lower-body muscle power in …

Comparing associations of handgrip strength and chair stand performance with all-cause mortality—implications for defining probable sarcopenia: the Tromsø Study …

J Johansson, S Grimsgaard, BH Strand, AA Sayer… - BMC medicine, 2023 - Springer
Background Widely adopted criteria suggest using either low handgrip strength or poor chair
stand performance to identify probable sarcopenia. However, there are limited direct …

Frailty level classification of the community elderly using Microsoft Kinect-based skeleton pose: a machine learning approach

G Akbari, M Nikkhoo, L Wang, CPC Chen, DS Han… - Sensors, 2021 - mdpi.com
Frailty is one of the most important geriatric syndromes, which can be associated with
increased risk for incident disability and hospitalization. Developing a real-time classification …