Related Experiment Video
Updated: Apr 18, 2026

07:22
Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer
Published on: February 20, 2020
6.4K
Are stamina and fatigue polar opposites? A case study
Suzanna So1, Meredyth Evans, Leonard A Jason
1a Center for Community Research, DePaul University , Chicago , Illinois , USA.
Journal of Prevention & Intervention in the Community
|January 14, 2015
Summary
This study explores how fatigue and stamina impact Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) symptoms. Understanding this relationship is crucial for accurate diagnosis and assessment of ME/CFS patients.
Area of Science:
- Medical Research
- Neurology
- Immunology
Background:
- Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) is characterized by profound fatigue and reduced energy.
- Some patients with ME/CFS may reduce activity to avoid symptom exacerbation, potentially leading to lower reported fatigue levels.
- This can result in the inadvertent exclusion of individuals with low stamina but not high fatigue from diagnostic criteria.
Purpose of the Study:
- To investigate the relationship between fatigue and stamina in ME/CFS.
- To examine how fatigue and stamina affect illness symptomology.
- To explore the implications of these constructs for the assessment and diagnosis of ME/CFS.
Main Methods:
- Exploratory study design.
- Analysis of the interplay between fatigue and stamina.
- Examination of symptomology and diagnostic criteria.
Main Results:
- Findings will elucidate the distinct roles of fatigue and stamina in ME/CFS.
- The study will highlight potential diagnostic challenges related to fatigue thresholds.
- Results are expected to inform refined assessment strategies for ME/CFS.
Conclusions:
- Fatigue and stamina are critical but potentially distinct factors in ME/CFS.
- Current diagnostic criteria may need re-evaluation to include individuals with low stamina.
- Further research is needed to optimize ME/CFS assessment and diagnosis.
Keywords:
Myalgic EncephalomyelitisMyalgic Encephalomyelitis/chronic fatigue syndromechronic fatigue syndromefatiguestaminaMore Related Videos
Related Concept Videos
Muscle Recovery and Fatigue
5.1K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
5.1K
Fatigue
1.2K
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
1.2K
Fatigue Strength of Concrete
717
Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
717
Exercise and Muscle Performance
6.4K
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...
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...
6.4K
Metabolic States of the Body: Fasting and Starvation
3.5K
During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
3.5K
Stress Response System
1.2K
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's...
Alarm stage
In the alarm stage, the body's...
1.2K

