Related Experiment Video
Updated: May 1, 2026

11:35
The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
Published on: June 30, 2014
58.9K
Does fatigue occur in MS patients without disability?
Helcio Alvarenga-Filho1, Regina Maria Papais-Alvarenga, Sonia Regina Carvalho
1Universidade Federal do Estado do Rio de Janeiro , Neurologia, Rio de Janeiro , Brazil.
The International Journal of Neuroscience
|April 5, 2014
Summary
Fatigue is common in multiple sclerosis (MS) patients even without motor issues, linked to the disease, inactivity, and mood disorders. The 6-minute walk test (6MWT) doesn
Area of Science:
- Neurology
- Rehabilitation Medicine
- Clinical Psychology
Background:
- Multiple sclerosis (MS) commonly causes motor dysfunction and fatigue.
- Fatigue assessment in MS patients often relies on walk tests and scales, even in those with varying disability levels.
Purpose of the Study:
- To evaluate both objective and subjective fatigue in multiple sclerosis (MS) patients who exhibit no motor disability.
- To identify factors associated with fatigue in early-stage MS.
Main Methods:
- Selected MS patients (relapsing-remitting, EDSS 0-1.5) and age/gender/BMI/activity-matched controls.
- Excluded participants with fatigue from other medical conditions.
- Administered the 6-minute walk test (6MWT), MS Functional Composite (MSFC), Modified Fatigue Impact Scale (MFIS), and Beck Depression Inventory.
Main Results:
- No significant differences in MSFC or 6MWT between MS patients and controls.
- 35% of MS patients reported fatigue (MFIS), with significant differences in physical, cognitive, and psychosocial domains compared to controls.
- Fatigue in MS was associated with the disease, low physical activity, and mood disorders.
Conclusions:
- Fatigue is prevalent in MS patients even without motor impairment.
- Sedentary lifestyle and mood disorders are linked to fatigue in MS.
- The 6MWT is not a reliable indicator of motor fatigue in MS patients without neurological disability.
Related Concept Videos
Multiple Sclerosis l: Introduction
20
Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
20
Fatigue
1.1K
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...
1.1K
Muscle Recovery and Fatigue
4.4K
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...
4.4K
Myasthenia Gravis ll: Pathophysiology
53
The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
53
Myasthenia Gravis: Overview and Treatment
3.7K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
3.7K
Disorders of the Skeletal Muscle
2.2K
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
2.2K

