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Related Concept Videos

Exercise and Muscle Performance01:27

Exercise and Muscle Performance

Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Exercise Stress Test01:26

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Cellular Adaptation II: Hypertrophy01:26

Cellular Adaptation II: Hypertrophy

Hypertrophy is the increase in the size of individual cells, resulting in the enlargement of a tissue or organ. Unlike hyperplasia, which involves an increase in cell number, hypertrophy is characterized by an increase in cell volume. This process often occurs in response to higher functional demand or hormonal stimulation, leading to the production of more structural proteins and organelles, thereby enhancing the cells' work capacity.There are two primary types of hypertrophy: physiological...
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...

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Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis
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Resistance exercise: training adaptations and developing a safe exercise prescription.

Randy W Braith1, Darren T Beck

  • 1Center for Exercise Science, College of Health and Human Performance and the College of Medicine, University of Florida, P.O. Box 118206, Gainesville, FL 32611, USA. rbraith@hhp.ufl.edu

Heart Failure Reviews
|October 13, 2007
PubMed
Summary

Resistance exercise training (RT) improves skeletal muscle in chronic heart failure (CHF) patients. RT is recommended for rehabilitation to enhance muscle mass and function, potentially improving patient outcomes.

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Area of Science:

  • Cardiology
  • Exercise Physiology
  • Rehabilitation Medicine

Background:

  • Chronic heart failure (CHF) is associated with skeletal muscle wasting and myopathy.
  • Aerobic exercise is the predominant training modality for CHF patients.
  • Peripheral adaptations are crucial for improving exercise capacity and prognosis in CHF.

Purpose of the Study:

  • To critically review the safety and efficacy of resistance exercise training (RT) in patients with CHF.
  • To present evidence-based recommendations for designing safe RT programs for CHF patients.
  • To discuss the independent effects of RT on skeletal muscle phenotype in CHF.

Main Methods:

  • Systematic review of existing literature on RT in CHF.
  • Analysis of studies examining RT's impact on central hemodynamics and peripheral pathophysiology.
  • Evaluation of RT's effects on skeletal muscle mass, fiber morphology, and histochemistry.

Main Results:

  • RT demonstrates safety and efficacy in improving skeletal muscle phenotype in CHF patients.
  • RT may be superior to aerobic exercise for targeting peripheral muscle adaptations.
  • Evidence supports RT as a fundamental component of CHF rehabilitation.

Conclusions:

  • Skeletal muscle phenotype improvement should be a primary goal in CHF rehabilitation.
  • RT offers a preferred modality for peripheral adaptation in CHF.
  • Clinicians should consider RT for exercise prescriptions in CHF patients to improve outcomes.