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Doctor insights on: Extrinsic Eye Muscles Function

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Can MRI with 3 tesla magnet power evaluate cremaster muscle strain/inflammation?

Can MRI with 3 tesla magnet power evaluate cremaster muscle strain/inflammation?

Not likely: The muscle is too small. Both thin and superficial structures are difficult to image on mri. This muscle is both. ...Read more

Muscle (Definition)

It is a body tissue that has the ability to contract. It shortens and generates force. It relaxes and returns to its original length. Muscles move joints, stabilize the body, move air and food through the organs, act as valves for bladder, bowel and other organs. They control movement of the eyes. They help us express ourselves by changing the shape of our ...Read more


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Concerning lateral pterygoid muscle,why protrusive action functions to test intactness of mandibular nerve?

Concerning lateral pterygoid muscle,why protrusive action functions to test intactness of mandibular nerve?

Lateral pterygoid: The motor function of the mandibular branch of the fifth cranial nerve is tested by asking the patient to clench their teeth together and to open their mouth against resistance. The "thumb" test is the only reliable test to examine lateral pterygoid muscle. ...Read more

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Immediate right eye ptosis due to glucose intake? Inflammation around cranial nerve sheath causing osmolytic disbalnce? Does it make sense? Normal mri

Immediate right eye ptosis due to glucose intake? Inflammation around cranial nerve sheath causing osmolytic disbalnce? Does it make sense? Normal mri

No: A ptosis may indicate lack of sympathetic innervation, usually associated with a dilated, or meiotic pupil as well. Re start with not just an eye doc, but neuro=ophthalmologist. The metabolic stream you report does not make sense to me. A one sided problem needs to seek anatomic cause. ...Read more

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What conditions cause contraction of bronchiole smooth muscle?

What conditions cause contraction of bronchiole smooth muscle?

Asthma: Asthma is the prototypical disease whereby reversible bronchiolar smooth muscle constriction leads to tight airways and obstructive lung symptoms. Copd, or chronic obstructive pulmonary disease, also has a component of smooth muscle constriction. ...Read more

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Can multiple system atrophy affect the heart muscle?

Can multiple system atrophy affect the heart muscle?

Unfortunately yes: As MSA progresses, every muscle in the body eventually gets affected by the degeneration of the autonomic nerves & other derangements which cannot be compensated for anymore by the "voluntary" nervous system. I have a patient who is likely going through his last stages & it is a relentless disease process for which he now refuses any & all interventions to help him with breathing or swallowing. ...Read more

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Does raynauds disease an scerloderma, link to lungs like upper lobe, and affect , heart, kidneys, brain, eyes, through blood vessels to brain and limbs?

Does raynauds disease an scerloderma, link to lungs like upper lobe, and affect , heart, kidneys, brain, eyes,  through blood vessels to brain and limbs?

Collagen Vascular Dx: Raynauds and scleroderma are likely collagen vascular disorders and overlaps amongst these disorders can cause vasculitis or inflamation of blood vessels in lungs and other organs. ...Read more

Dr. Alvin Lin Dr. Lin
2 doctors agreed:
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Hypothyroid causes muscle weakness does it leads to GERD by loosening the esophageal sphincter muscle?

Dr. Alvin Lin Dr. Lin
2 doctors agreed:
Hypothyroid causes muscle weakness does it leads to GERD by loosening the esophageal sphincter muscle?

Maybe!: Thanks for asking b/c until i just searched, i would've thought no. While i can't find any traditional evidence linking the two, enough people have written online to various forums complaining about such a link that it can't be a coincidence. My guess is that we need to treat one's hypothyroidism aggressively & adequately enough to regain les strength. I look forward to what GI colleagues say. ...Read more

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Can eyestrain cause involuntary eye movement in you?

Can eyestrain cause involuntary eye movement in you?

No: No, not usually. If you are having problems controlling your eye movements, please see a ophthalmologist promptly. Have a nice day! ...Read more

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Can the supra orbital nerve cause problems with ur eye and eye lid?

Can the supra orbital nerve cause problems with ur eye and eye lid?

Not really: The supra-orbital is a branch of the v-1 division of the trigeminal nerve and provides sensation over the eyebrow. Innervation for the eye itself and the eyelid is subserved by other cranial nerves. If the supra-orbital is involved, there is an area of numbness above the evebrow. ...Read more

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Regarding upper back issues of mine, overused and stretched muscles, traps / rhomboids etc. What causes the muscles to give a burning sensation ?

Exercise or strain: New exercise or activity? May cause dom delayed onset muscle soreness (typically about 48 hours after the increase use of those muscles). May last a few days to a week or two. Alternatively, sudden/acute burning may indicate a strain, which may take a few weeks to several months to resolve. Massage or foam roller may help, if this is not a muscle strain. ...Read more

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Dx with pelvic floor dysfunction (muscles in spasm) are physio exercises concentrating on the core/abdo muscles going to make PFD worse?

Dx with pelvic floor dysfunction (muscles in spasm) are physio  exercises concentrating on the core/abdo muscles going to make PFD worse?

NO: strenghten pelvic floor and PC muscles with Kegal maneuvers, pelvic thrusts and abdominal bridging and planking exercises. PT will work. Strenghtening gluteal and pelvic floor muscles. Ask you GYN about the use of pelvic/vaginal weights. ...Read more

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Can eye exercises improve the eye sight?

Can eye exercises improve the eye sight?

No: Eye exercises can make the eyes feel more comfortable, and might have some effect on eye misalignment, but they will not change the basic eye power needs for eyeglasses or contacts. ...Read more

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What is the acoustic wave therapy influence on muscles affected by myasthenia gravis?

Not sure: This doesn't sound like "conventional" therapy, but if it doesn't hurt/cost much/is harmful, then why not try? More conventional wisdom on mg can be found here: http://www.Ninds.Nih.Gov/disorders/myasthenia_gravis/detail_myasthenia_gravis.Htm. ...Read more