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Topic: Muscle weakness

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	MedlinePlus Medical Encyclopedia: Weakness
		Weakness is a reduction in the strength of one or more muscles.
		Weakness may be generalized (total body weakness) or localized to only one area, side of the body, limb, or muscle.
		A subjective feeling of weakness may be associated with infectious diseases such as mono and the flu.
	www.nlm.nih.gov /medlineplus/ency/article/003174.htm (519 words)

	Lifespan's A - Z Health Information Library - Weakness (Site not responding. Last check: )
		Weakness may be subjective (the person feels weak, but has no measurable loss of strength) or objective (measurable loss of strength as noted in a physical exam).
		Weakness may be generalized (total body weakness) or localized to a specific area, side of the body, limb, or muscle.
		Localized weakness may follow a stroke, exacerbation of multiple sclerosis, or trauma to a motor nerve root or peripheral nerve.
	www.lifespan.org /adam/healthillustratedencyclopedia/1/003174.html (555 words)

	Weakness - Health Encyclopedia - WRAL.com \| WRAL (Site not responding. Last check: )
		Weakness may be subjective (the person feels weak, but has no measurable loss of strength) or objective (measurable loss of strength as noted in a physical exam).
		Weakness may be generalized (total body weakness) or localized to a specific area, side of the body, limb, or muscle.
		Weakness is more notable when it occurs in only one area of the body (localized or focal weakness).
	www.wral.com /encyclopedia/6864092/detail.html (687 words)

	Therapy for Soft Tissue Complications - Muscle Contractures - Muscle Weakness - International Center for Limb ...
		In general, biarticular muscles (muscles that work on two joints) should be stretched 20 to 30 times per session and uniarticular muscles (muscles that work on one joint) should be stretched 10 to 15 times per session.
		To accomplish this, a muscle stimulator machine is applied to the surface of the limb (thigh, for example) and a low level electrical signal stimulates the underlying muscle to contract.
		Weakness in the muscles that control toe and foot action are sometimes observed.
	www.lifebridgehealth.org /sinaibody.cfm?id=1514 (1160 words)

	_______________Muscle Activation ...
		Rather than looking at the cause of ROM limitations being caused by muscle tightness, the limitation in motion is addressed as a weakness in the muscle or group of muscles that move the joint into the position of restriction.
		Although there are other muscles that may work synergistically with the identified muscle, a weakness in a particular test demonstrates that the muscle that emphasizes the motion is inhibited.
		With the ROM exam being the indicator of muscle weakness, we took 15 clients with a mean average of 27 degrees of motion internal rotation of the femur at the hip (hip flexed to 90 degrees).
	www.muscleactivation.com /science.html (2769 words)

	Myasthenia Gravis (Site not responding. Last check: )
		Myasthenia gravis is a chronic autoimmune neuromuscular disease characterized by varying degrees of weakness of the skeletal (voluntary) muscles of the body.
		Myasthenia gravis is caused by a defect in the transmission of nerve impulses to muscles.
		The degree of muscle weakness involved in myasthenia gravis varies greatly among patients, ranging from a localized form, limited to eye muscles (ocular myasthenia), to a severe or generalized form in which many muscles, sometimes including those that control breathing, are affected.
	www.med.umich.edu /1libr/aha/ummuscle16.htm (752 words)

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	med911.t35.com /lipitor-muscle-weakness.html (700 words)

	Baylor Neurology Case of the Month (Site not responding. Last check: )
		Although he was initially thought to have a primary disease of muscle, this diagnosis was unlikely because of the history of fasciculations and the pattern of muscle weakness; namely, the involvement of both proximal (arising from the chair, lifting weights) and distal muscle groups (tripping on his feet, holding objects tightly).
		Bulbar involvement is manifested initially as weakness and fasciculations of the oro-mandibular musculature, and subsequently by atrophy and fibrillations of the tongue.
		Weakness and fasciculations of the oro-mandibular musculature, as well as perioral fasciculations, are present early and are subsequently followed by facial weakness, atrophy, and fibrillations of the tongue.
	www.bcm.edu /neurol/challeng/pat13/summary.html (2026 words)

	Muscle Weakness
		Examples of a peripheral nerve involvement or injury include pain and weakness in the wrist and hand because of injury to the median nerve at the wrist, known as carpal tunnel syndrome, and weakness or paralysis of the muscles of facial expression because of injury to the facial nerve [known as Bell’s Palsy].
		Muscle strengthening during the period of nerve block would be unsuccessful because the brain cannot communicate with the paralyzed muscles.
		Electrical stimulation of the muscle fibers that retain a nerve supply [in the partially denervated muscle] may simulate voluntary muscle overuse and contribute to the suppression of the chemical mediators required for the reinnervation of the denervated fibers.
	www.ifess.org /Services/Consumer_Ed/Muscle_Weakness.htm (1840 words)

	Muscle weakness - WrongDiagnosis.com
		Muscle weakness: Weakness of the muscles or loss of tone.
		- weakness of the muscles of the face associated with weakness of the limbs would suggest a diagnosis of cerebrovascular disease, a mass in the brain or spinal cord.
		weak pelvic girdle muscles, muscle weakness, muscle weakness, muscle weakness, muscle weakness, muscle weakness, muscle weakness, upper leg muscle weakness, malaise, fatigue, fatigue, fatigue, upper arm muscle weakness, muscle atrophy of extremities, muscle atrophy of extremities, rhabdomyolysis, rhabdomyolysis
	www.wrongdiagnosis.com /sym/muscle_weakness.htm (1781 words)

	Evaluation of the Patient with Muscle Weakness - April 1, 2005 - American Family Physician
		Asthenia is a sense of weariness or exhaustion in the absence of muscle weakness.
		In a patient whose muscle weakness is suggestive of neurologic disease, early neuroimaging (for suspected cerebrovascular disease) or lumbar puncture (for possible meningitis, encephalitis, or multiple sclerosis) is indicated.
		Electromyography assesses several components of muscle electrical activity: the muscle's spontaneous activity; its response to the insertion of a probe; the character of the muscle's individual motor unit action potentials; and the rapidity with which additional motor units are recruited in response to an electrical signal.
	www.aafp.org /afp/20050401/1327.html (3815 words)

	Weakness and Fatigue-Topic Overview
		Weakness and fatigue are terms that are often used as if they mean the same thing, but in fact they describe two different sensations.
		Weakness is a lack of physical or muscle strength and the feeling that extra effort is needed to perform daily activities that require you to move your arms, legs, or other muscles.
		Muscle weakness that is slowly getting worse requires a visit to a health professional.
	www.webmd.com /a-to-z-guides/Weakness-and-Fatigue-Topic-Overview (980 words)

	Managing Neck Muscle Weakness
		In fact, neck muscle weakness can lead to a vicious cycle of limited head mobility and a stiff neck (resulting in pain and impairing head mobility even further), causing more pain with emotional distress.
		To protect against injury from sudden motion, people with advanced neck weakness should wear a collar when they are moving or being transferred from one seat to another, when waling, or riding in the car.
		Most people with neck weakness are unable to tolerate wearing a collar all the time, especially one that can lead to skin breakdown and discomfort.
	alsnetwork.com /managing.htm (1190 words)

	Hypotonia (Muscle Weakness) - My Child Has - Children's Hospital Boston
		Since the muscles that support the bone joints are so soft, there is a tendency for hip, jaw and neck dislocations to occur.
		muscle biopsy - a sample of muscle tissue is removed and examined under a microscope.
		Treatment programs to help increase muscle strength and sensory stimulation programs are developed once the cause of your child's hypotonia is established.
	www.childrenshospital.org /az/Site1106/mainpageS1106P0.html (797 words)

	Myasthenia gravis
		In order for a nerve impulse to reach a muscle fibre and cause the muscle to contract, a minute packet of a signalling chemical, acetylcholine, must be released from the end of the nerve and cross the gap to the muscle membrane.
		Here the acetylcholine molecule fits in to the receptor of the muscle like a key fits in a lock, and the signal is passed: a process known as neuromuscluar transmission.
		An electrical stimulus is applied to a nerve and the response in the muscle is recorded.
	www.netdoctor.co.uk /diseases/facts/myastheniagravis.htm (1994 words)

	Arthritis Research Campaign \| The Assessment of Muscle Weakness & Pain (Site not responding. Last check: )
		Weakness and muscle pain are common symptoms in general practice and in many subspecialities in general medicine.
		The presence of an exaggerated response to the assessment of weakness or muscle tenderness is also a diagnostic pointer towards chronic fatigue syndrome or fibromyalgia.
		Weakness is associated with spasticity, hyper-reflexia, extensor plantar responses and sometimes clonus; the diagnosis is usually made on clinical grounds.
	www.arc.org.uk /about_arth/med_reports/series3/pp/6344/6344.htm (1955 words)

	Symptoms: Symptoms and Diagnosis of Musculoskeletal Disorders: Merck Manual Home Edition
		The muscle weakness that commonly occurs following immobilization (in a cast or from prolonged bed rest) and in old age is due to a reduction in muscle mass (sarcopenia) and results from lack of use.
		Weakness may be limited to one extremity or part of an extremity, as is typically the case when a single nerve, joint, or muscle is affected, or diffuse, as occurs in widespread neurologic or muscular diseases.
		The cause of true muscle weakness can often be determined by noting the person's symptoms, which muscles are affected, whether muscles have shrunk, and muscle tone and by testing the person's reflexes with a reflex hammer.
	www.merck.com /mmhe/sec05/ch059/ch059b.html (2499 words)

	WEAKNESS
		Because the anterior horn cells that innervate different muscles in the upper and lower extremities are present at different segments of the spinal cord, a whole extremity is not presented at a single level.
		These muscle fibers that have lost their innervation may now be innervated by healthy axons that normally innervate adjacent muscle fibers.
		For example Duchenne muscle dystrophy is characterized by large calves, proximal muscle weakness and weakness of the latissimus dorsi muscles and pectoral muscles.
	www.cidpusa.org /weakness.htm (3604 words)

	J H
		Symmetric or asymmetric weakness of the face, eye muscles, or eyelids commonly occurs in disorders of the muscle unit, neuromuscular junction, or motor nerves.
		Inflammation of muscles produces irritability of the muscles which is sometimes visible with gentle percussion- Marked contractions of muscles after percussion, myotonia, indicates a disease of the muscle membrane.
		Proximal weakness is characteristic of muscle disease (muscle or neuromuscular junction), whereas distal weakness is suggestive of a neuropathy.
	pedclerk.bsd.uchicago.edu /muscleweakness.html (882 words)

	Muscle Weakness, Fatigue, and Joint Pain in a 52-Year-Old Woman - ) CHEST - Find Articles (Site not responding. Last check: )
		The chronic type is the most common with diffuse, symmetric, progressive muscle weakness of the extremities with a remitting and relapsing course.
		Muscle weakness is the initial presentation and can be confused with polymyositis since the CPK levels are usually elevated.
		Muscle biopsies are warranted for a definitive diagnosis in patients with symptomatic muscle involvement.
	www.findarticles.com /p/articles/mi_m0984/is_2_108/ai_53980239 (779 words)

	Muscle Weakness
		An important point is that patients with systemic disease usually complain of a vague weakness, whereas those with true muscle weakness will complain of the inability to perform a task, such as gripping, pulling or pushing objects, combing hair, or rising to a standing position.
		Muscle pain is a non-specific sign that could indicate muscle inflammation seen with myositis or rhabdomyolysis; however muscle pain can also be seen with muscle cramps after over-exertion, dehydration, and fibromyalgia.
		If the muscle weakness is due merely to over-exertion and no clinical disease is indicated by history, physical, or laboratory/radiological testing, let the patient rest.
	www.brooksidepress.org /Products/OperationalMedicine/DATA/operationalmed/SickCall/MuscleWeakness.htm (920 words)

	Muscle weakness - Wikipedia, the free encyclopedia
		Muscle weakness (or "lack of strength") is the inability to exert force with ones muscles to the degree that would be expected given the individual's general physical fitness.
		Perceived weakness (or "subjective weakness") describes a condition where it seems to the patient that more effort than normal is required to exert a given amount of force.
		For instance, a person with chronic fatigue syndrome may struggle to climb a set of stairs when feeling especially fatigued, but if their muscle strength is objectively measured (eg, the maximum weight they can press with their legs) it is essentially normal.
	en.wikipedia.org /wiki/Weakness_(medical) (284 words)

	Muscle Weakness and Foot Deformities in Diabetes: Relationship to neuropathy and foot ulceration in Caucasian diabetic ...
		Muscle Weakness and Foot Deformities in Diabetes: Relationship to neuropathy and foot ulceration in Caucasian diabetic men -- van Schie et al.
		brevis muscle for the peroneal nerve and on the abductor hallucis
		muscle weakness, and foot deformities are indicative of a causal
	care.diabetesjournals.org /cgi/content/full/27/7/1668 (3532 words)

	Symmetric Designs - Managing Neck Muscle Weakness
		In fact, neck muscle weakness can lead to a vicious cycle of limited head mobility and a stiff neck (resulting in pain and impairing head mobility ever further), causing more pain with emotional distress.
		To protect against injury from sudden motion, people with advanced neck weakness should wear a collar when they are moving or being transferred from one seat to another, when walking, or riding in the car.
		Most people with neck weakness are unable to tolerate wearing a collar all the time, especially one that can lead to skin breakdown and discomfort.
	symmetric-designs.com /head-support/managing-neck-muscle-weakness.html (1254 words)

	Muscle weakness as a risk factor for falls in the elderly American Family Physician - Find Articles (Site not responding. Last check: )
		Muscle weakness as a risk factor for falls in the elderly
		One risk factor for falls in the elderly is muscle weakness; muscle strength is important in maintaining balance.
		Although this study has identified muscle weakness as another independent risk factor, an important limitation is the fact that many of the studies reviewed did not report multivariate analyses.
	www.findarticles.com /p/articles/mi_m3225/is_9_71/ai_n13795748 (439 words)

	Why do my muscles feel weak when I am on dialysis? (Renalife)
		When muscle strength is tested, it is often reduced – even in dialysis patients who do not feel that their muscles are weak.
		Studies show that muscle strength and the normal ability of muscles to relax after contracting are related to nutrition.
		Muscle weakness is a common symptom of heart disease.
	www.aakp.org /aakp-library/Muscle-weakness (777 words)

	HSS - Inflammatory Muscle Disorders: Their Diagnosis and Treatment (Site not responding. Last check: )
		But in general, weakness of the upper arms, difficulty in combing the hair, hanging up an overcoat, weakness in the lower extremities, difficulty in going up the stairs, that sort of thing is what presents.
		That is to say, they may say they are fatigued or that they are weak, but it may be hard to understand actually that their muscles are not functioning well.
		In addition to the proximal muscle weakness, that is weakness of the large muscles of the upper arm and of the thigh, there may be weakness of distal muscles which may occur early in inclusion body myositis particularly the flexors of the forearm.
	www.hss.edu /Conditions/Myositis/Inflammatory-Muscle-Disorders---Mgt (1559 words)

	Health Watch -- Muscle Weakness
		In some cases, facial muscles and the muscles that control swallowing are affected.
		This condition usually is the result of an autoimmune attack in which the body's own immune system attacks and damages the connection between nerves and muscles, so that the muscle never receives signals from nerves directing the muscles to move.
		They found a patient with a form of myasthenia gravis in which the connection between the nerves and the muscles was intact.
	www8.utsouthwestern.edu /utsw/cda/dept16498/files/141233.html (300 words)

	Skeletal muscle weakness in patients with sarcoidosis and its relationship with exercise intolerance and reduced health ...
		Skeletal muscle weakness in patients with sarcoidosis and its relationship with exercise intolerance and reduced health status -- Spruit et al.
		Subsequent to the presence of skeletal muscle weakness and exercise
		The influence of muscle mass, strength, fatigability and blood flow on exercise capacity in cachectic and non-cachectic patients with chronic heart failure.
	thorax.bmjjournals.com /cgi/content/full/60/1/32 (4026 words)

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