Skeletal muscle myofilament adaptations to aging, disease, and disuse and their effects on whole muscle performance in older adult humans

MS Miller, DM Callahan, MJ Toth - Frontiers in physiology, 2014 - frontiersin.org
Skeletal muscle contractile function declines with aging, disease, and disuse. In vivo muscle
contractile function depends on a variety of factors, but force, contractile velocity and power …

Metabolic and structural impairment of skeletal muscle in heart failure

C Zizola, PC Schulze - Heart failure reviews, 2013 - Springer
Physiologic endurance exercise performance is primarily limited by cardiac function. In
patients with heart failure, there is dissociation between cardiac performance and exercise …

Utility of neuromuscular electrical stimulation to preserve quadriceps muscle fiber size and contractility after anterior cruciate ligament injuries and reconstruction: a …

MJ Toth, TW Tourville, TB Voigt… - … American journal of …, 2020 - journals.sagepub.com
Background: Anterior cruciate ligament (ACL) injuries and reconstruction (ACLR) promote
quadriceps muscle atrophy and weakness that can persist for years, suggesting the need for …

Acute dietary nitrate intake improves muscle contractile function in patients with heart failure: a double-blind, placebo-controlled, randomized trial

AR Coggan, JL Leibowitz, CA Spearie… - Circulation: Heart …, 2015 - Am Heart Assoc
Background—Skeletal muscle strength, velocity, and power are markedly reduced in
patients with heart failure, which contributes to their impaired exercise capacity and lower …

Age-related slowing of myosin actin cross-bridge kinetics is sex specific and predicts decrements in whole skeletal muscle performance in humans

MS Miller, NG Bedrin, DM Callahan… - Journal of applied …, 2013 - journals.physiology.org
We hypothesize that age-related skeletal muscle dysfunction and physical disability may be
partially explained by alterations in the function of the myosin molecule. To test this …

[HTML][HTML] Effect of resistance training on physical disability in chronic heart failure

P Savage, AO Shaw, MS Miller… - Medicine and science …, 2011 - ncbi.nlm.nih.gov
Purpose Patients with chronic heart failure (CHF) report difficulty performing activities of
daily living. To our knowledge, however, no study has directly measured performance in …

Molecular determinants of force production in human skeletal muscle fibers: effects of myosin isoform expression and cross-sectional area

MS Miller, NG Bedrin, PA Ades… - American Journal of …, 2015 - journals.physiology.org
Skeletal muscle contractile performance is governed by the properties of its constituent
fibers, which are, in turn, determined by the molecular interactions of the myofilament …

Age-related structural alterations in human skeletal muscle fibers and mitochondria are sex specific: relationship to single-fiber function

DM Callahan, NG Bedrin… - Journal of applied …, 2014 - journals.physiology.org
Age-related loss of skeletal muscle mass and function is implicated in the development of
disease and physical disability. However, little is known about how age affects skeletal …

Metabolomic distinction and insights into the pathogenesis of human primary dilated cardiomyopathy

D Alexander, R Lombardi, G Rodriguez… - European journal of …, 2011 - Wiley Online Library
Eur J Clin Invest 2011; 41 (5): 527–538 Abstract Background Metabolomics, the
comprehensive profile of small‐molecule metabolites found in biological specimens, has the …

Abnormal skeletal muscle blood flow, contractile mechanics and fibre morphology in a rat model of obese‐HFpEF

E Espino‐Gonzalez, PG Tickle… - The Journal of …, 2021 - Wiley Online Library
Key points Heart failure is characterised by limb and respiratory muscle impairments that
limit functional capacity and quality of life. However, compared with heart failure with …