Single muscle fibre contractile function with ageing

GJ Grosicki, CS Zepeda… - The Journal of …, 2022 - Wiley Online Library
Ageing is accompanied by decrements in the size and function of skeletal muscle that
compromise independence and quality of life in older adults. Developing therapeutic …

Skeletal muscle aging and sarcopenia: Perspectives from mechanical studies of single permeabilized muscle fibers

JY Lim, WR Frontera - Journal of biomechanics, 2023 - Elsevier
The decline in muscle mass and strength with age is well documented and associated with
weakness, decreased flexibility, vulnerability to diseases and/or injuries, and impaired …

The effect of gradual ovarian failure on dynamic muscle function and the role of high-intensity interval training on mitigating impairments

EF Hubbard, P Mashouri, WG Pyle… - American Journal of …, 2023 - journals.physiology.org
Skeletal muscle contractile function is impaired in menopause and exercise may mitigate
this decline. We used the 4-vinylcyclohexene diepoxide (VCD) model of menopause to …

Understanding altered contractile properties in advanced age: insights from a systematic muscle modelling approach

DL Mayfield, NJ Cronin, GA Lichtwark - Biomechanics and Modeling in …, 2023 - Springer
Age-related alterations of skeletal muscle are numerous and present inconsistently, and the
effect of their interaction on contractile performance can be nonintuitive. Hill-type muscle …

Effects of chemically induced ovarian failure on single muscle fiber contractility in a mouse model of menopause

P Mashouri, J Saboune, WG Pyle, GA Power - Maturitas, 2024 - Elsevier
Objective Menopause is associated with impaired skeletal muscle contractile function. The
temporal and mechanistic bases of this dysfunction are unknown. Using a mouse model of …

The relationship between single muscle fibre and voluntary rate of force development in young and old males

BE Dalton, N Mazara, MIB Debenham… - European Journal of …, 2023 - Springer
Purpose It is suggested that the early phase (< 50 ms) of force development during a muscle
contraction is associated with intrinsic contractile properties, while the late phase (> 50 ms) …

Influence of 4 weeks of downhill running on calcium sensitivity of rat single muscle fibers

EF Hubbard, A Hinks, P Mashouri… - Physiological …, 2022 - Wiley Online Library
Improved Ca2+ sensitivity has been suggested as a mechanism behind enhancements in
muscle mechanical function following eccentric training. However, little is known regarding …

Effects of intensified training with insufficient recovery on joint level and single muscle fibre mechanical function: the role of myofibrillar Ca2+ sensitivity

OP Roussel, C Pignanelli, EF Hubbard… - Applied Physiology …, 2024 - cdnsciencepub.com
Intense exercise training with insufficient recovery time is associated with reductions in
neuromuscular performance. However, it is unclear how single muscle fibre mechanical …

[HTML][HTML] Stretch-shortening cycles protect against the age-related loss of power generation in rat single muscle fibres

MA Patterson, A Hinks, BS Njai, BE Dalton… - Experimental …, 2024 - Elsevier
Aging is associated with impaired strength and power during isometric and shortening
contractions, however, during lengthening (ie, eccentric) contractions, strength is …

Glycerol induced paraspinal muscle degeneration leads to hyper-kyphotic spinal deformity in wild-type mice

AM Noonan, E Buliung, KJ Briar, D Quinonez… - Scientific Reports, 2023 - nature.com
Degenerative spinal disorders, including kyphotic deformity, are associated with a range of
degenerative characteristics of the paraspinal musculature. It has therefore been …