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  2. Muscle weakness - Wikipedia

    en.wikipedia.org/wiki/Muscle_weakness

    Muscle weakness is a lack of muscle strength. Its causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.

  3. Weakness - Wikipedia

    en.wikipedia.org/wiki/Weakness

    Asthenia or asthaenia (Greek: ἀσθένεια, literally lack of strength but also disease) is a medical term referring to a condition in which the body lacks or has lost strength either as a whole or in any of its parts. It is a poorly defined condition that can include true or primary muscle weakness or perceived muscle weakness. [10]

  4. Gowers's sign - Wikipedia

    en.wikipedia.org/wiki/Gowers's_sign

    Gowers's sign is a medical sign that indicates weakness of the proximal muscles, namely those of the lower limb. The sign describes a patient that has to use their hands and arms to "walk" up their own body from a squatting position due to lack of hip and thigh muscle strength. It is named after William Richard Gowers. [1] [2]

  5. Frailty syndrome - Wikipedia

    en.wikipedia.org/wiki/Frailty_syndrome

    Muscle weakness makes it difficult to perform everyday activities, like getting into a bathtub. Sarcopenia is the degenerative loss of skeletal muscle mass, quality, and strength associated with aging. [19] The rate of muscle loss is dependent on exercise level, co-existing health conditions, nutrition and other factors.

  6. Locomotive syndrome - Wikipedia

    en.wikipedia.org/wiki/Locomotive_syndrome

    Locomotive syndrome is generally caused by decreased strength of muscles and balance related to ageing and locomotive conditions such as osteoarthritis, osteoporosis and spondylosis. [10] [11] [12] Muscle degeneration becomes more common in people aged 50 or above. On average, they lose 3% of their muscle strength annually. [4]

  7. Myasthenia gravis - Wikipedia

    en.wikipedia.org/wiki/Myasthenia_gravis

    Myasthenia gravis (MG) is a long-term neuromuscular junction disease that leads to varying degrees of skeletal muscle weakness. [1] The most commonly affected muscles are those of the eyes, face, and swallowing.

  8. Hypotonia - Wikipedia

    en.wikipedia.org/wiki/Hypotonia

    The low muscle tone associated with hypotonia must not be confused with low muscle strength or the definition commonly used in bodybuilding. Neurologic muscle tone is a manifestation of periodic action potentials from motor neurons. As it is an intrinsic property of the nervous system, it cannot be changed through voluntary control, exercise ...

  9. Muscle atrophy - Wikipedia

    en.wikipedia.org/wiki/Muscle_atrophy

    Muscle atrophy is the loss of skeletal muscle mass. It can be caused by immobility, aging, malnutrition, medications, or a wide range of injuries or diseases that impact the musculoskeletal or nervous system. Muscle atrophy leads to muscle weakness and causes disability.