Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Effects of regular exercise training on skeletal muscle contractile function.

Robert H Fitts¹

¹Department of Biology, Marquette University, Milwaukee, Wisconsin 53201, USA.

American Journal of Physical Medicine & Rehabilitation

|March 22, 2003

Summary

This review explores skeletal muscle contractile properties, focusing on cellular mechanisms and how exercise influences fast and slow muscle fibers. Understanding these adaptations is key for improving mobility and daily function.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Individual and combined effects of wheel running and ischemic preconditioning in protecting the rat heart from reperfusion injury.

American journal of physiology. Cell physiology·2026

Same author

Effects of acidosis and inorganic phosphate on Ca<sup>2+</sup> sensitivity of young and older adult skeletal muscle fibers.

American journal of physiology. Cell physiology·2025

Same author

Cumulative effects of H<sup>+</sup> and P<sub>i</sub> on force and power of skeletal muscle fibres from young and older adults.

The Journal of physiology·2024

Same author

Cardiomyocyte Adaptation to Exercise: K+ Channels, Contractility and Ischemic Injury.

International journal of sports medicine·2024

Same author

Altered contractility, Ca<sup>2+</sup> transients, and cell morphology seen in a patient-specific iPSC-CM model of Ebstein's anomaly with left ventricular noncompaction.

American journal of physiology. Heart and circulatory physiology·2023

Same author

Significance of α-Myosin Heavy Chain (<i>MYH6</i>) Variants in Hypoplastic Left Heart Syndrome and Related Cardiovascular Diseases.

Journal of cardiovascular development and disease·2022

Area of Science:

Physiology
Exercise Science
Muscle Biology

Background:

Skeletal muscle function is essential for movement and daily activities like walking.
Understanding muscle contractile properties is crucial for maintaining physical function.
Fast and slow muscle fibers exhibit distinct mechanical and cellular characteristics.

Purpose of the Study:

To review the contractile properties of fast and slow skeletal muscle fibers.
To emphasize the cellular events governing muscle mechanical properties.
To present the adaptations of limb skeletal muscle to regular exercise.

Main Methods:

Literature review of cellular events controlling muscle contraction.
Analysis of mechanical properties in fast and slow muscle fibers.

Keywords:

NASA Discipline Musculoskeletal Non-NASA Center

Related Experiment Videos

Examination of exercise's impact on skeletal muscle adaptation.

Main Results:

Cellular mechanisms significantly influence the rate-limiting steps in muscle contraction.
Distinct contractile properties exist between fast and slow skeletal muscle fibers.
Regular exercise induces specific adaptations in limb skeletal muscle contractile function.

Conclusions:

Cellular-level understanding is vital for comprehending muscle mechanics.
Exercise plays a critical role in modulating skeletal muscle contractile properties.
Knowledge of these adaptations can inform strategies for enhancing physical function.