Questions tagged [muscle]
It is a contractible and excitable connective tissue found in animals.
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Can chronic muscle strain/tension persist after its causes are removed?
Bad posture, stress, lack of sleep, weak muscles/imbalances, and other factors are often cited as causes for chronic muscle tension. Is the ongoing presence of such tension an indication that at least ...
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Difference between strength and hypertrophy?
Doctors tell us to do lots of cardio exercise to "strengthen" the heart. Then some people get hypertrophy (another form of heart muscle growth) and it's considered "abnormal" (even ...
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Are there any measures or for how much faster muscles atrophy when over 40 for type I and type II muscles?
Sarcopenia is muscle loss due to age
Beginning as early as the 4th decade of life, evidence suggests that
skeletal muscle mass and skeletal muscle strength decline in a linear
fashion
Source: https:/...
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Do people with missing/amputated limbs have the same EMG readings as normal people?
I'm doing a research on EMG and it's readings for my engineering project, and as I am not a doctor nor a medical student I have no way of finding such a thing out by myself.
All the research that I ...
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Is any anticholinergic necessarily antihistamine?
Choline is a nutrient chemically similar to B-vitamins needed for proper cell membrane production and muscle work.
Histamine is a natural product derivate of the amino acid histidine, which according ...
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Is Glucose-6-phosphatase absent in all the 3 types of muscular tissues?
While going through gluconeogenesis I came to know about Glucose-6-phosphatase. In my book it's stated that
Glucose-6-phosphatase is mostly present in liver and kidney and is absent in muscles, brain ...
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Is inflammation post anaerobic workout desireable? [closed]
My understanding of how muscle growth works is that anaerobic exercise causes damage to the muscles on the microscopic scale, and this damage triggers — and is subsequently repaired by — a healing ...
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What determines flexibility?
I'm sorry if this doesn't qualify as a question for this stack. I thought about putting it on "Physical Fitness" but don't think it fits there and is better of here. Please move it not ...
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Why proximal muscle weakness improves in Lambert- Eaton syndrome with isometric contraction?
Lambert Eaton has antibodies to presynaptic calcium VGC(voltage gated channel).
So how does doing an isometric (or any other type of contraction) will improve weakness, what will be pathophysiology?
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Myocardial Ischemic Contractile Failure & Potassium
From my understanding of myocardial ischemic contractile failure, ischemia causes increased extracellular K+ concentration due to the ATP-sensitive K+ channels opening (as they need ATP to stay closed)...
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Muscle disorder causing exercise intolerance without an increase of creatine kinease levels
Has anyone heard of a disorder that causes exercise intolerance and post-exertional myalgia without any further symptoms (like generalised fatigue or joint pain)?
Detailed investigation showed that ...
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How to calculate Skeletal Muscle Ratio(%)(SMR%) statistically by using formula(without using weighing machine or any online calculators)?
How are we supposed to calculate individual's Skeletal Muscle Ratio in percentage(SMR %) if we have results of an individual that includes: age gender weight height BMI and BMR?
I have researched a ...
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How to differentially diagnose continuing sciatic pain given this existing information?
Pains along the sciatic nerve apparently have numerous possible causes (18 of them according to this article).
Now, given the following facts, what would be appropriate differential-diagnostic ...
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What is the difference between "mild degeneration of the muscular attachment of the gluteus medius" and "mild tendinosis of the left gluteus medius"?
I have read the following two terms:
mild degeneration of the muscular attachment of the left gluteus medius
mild tendinosis of the left gluteus medius
Do these two terms refer to the same medical ...
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Inspiratory and Expiratory Muscle Training
I'm interested in the scientific evidence of inspiratory and expiratory muscle training.
There are various breathing training devices:
According to their description, they enhance "strength and ...
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Does skeletal muscle injury cause hypertrophy or atrophy?
In the following diagram from the Love and Bailey textbook I see that injury causes a decrease in hypertrophy due to a decrease in the expression of IGF-1. Here Love and Bailey consider a skeletal ...
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How are surgical patients kept still while awake?
Certain surgeries require the patient to be awake and lucid to be performed safely. If the patient has clonus, epileptic seizures, tremors, or any of a number of other symptoms, staying still during ...
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To what degree does tactile stimulation affect muscle tone?
Hard to find the appropriate board for this, but I'm after an answer from a neuro-perspective.
A Naprapath once tested the tone of different muscles concluding that I was, quoting, (globally) "...
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Why is the M. supinator not an extensor of the Art. cubiti?
The M. pronator teres originates at the Caput commune mediale (Epicondylus medalis humeri) and inserts below the Tuberositas radii. Because it originates at the humerus and inserts at the radius, ...
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Different types of nociceptors in muscle vs connective tissue?
TL;DR
I'm wondering if there is any difference in the types of receptors that exist for muscles vs connective tissue. I ask because I compete in sports where I definitely strain/injure muscle, and I ...
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Is there a difference in the repair processes of slow twitch vs. fast twitch muscle?
Working out, I noticed my fast-twitch-dominant muscles tend to get very sore and stay that way for hours to days, while my slow-twitch-dominant muscles tend to get sore briefly and recover quickly.
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Should different muscles be stretched with different amounts of time?
Should different muscles be stretched with different amounts of time?
The following exercise mat seems to advise so:
If so, what is the scientific consensus on the stretching time for each main ...
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What is the cause of flexion-induced muscle cramping?
Some muscles, especially the biceps femoris to the back of the upper leg and the biceps brachii opposite the elbow side of the upper arm, can be made to cramp by hard flexion, bending the leg at the ...
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Why does an orthotic work instead of an exercise for hammertoe?
Hammertoes form when one or both joints of the small toes bend from
weakness in your foot muscle. Diabetic nerve damage may cause the
weakness.
- NIH
I've heard from fellow runners that wearing ...
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Building new muscle and effects on blood glucose absorption
Today I came up with the following hypothesis whilst pondering stuff after coming back from the gym.
If I build more muscle, my body will have more places to store glucose.
Is this hypothesis ...
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Does running help to get rid of a product put in the body by intramuscular injection?
I receive an intramuscular injection of Haldol (Haloperidol) every week. Does doing exercise (such as running) helps in getting rid of the injected Haldol?
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Difference between Contusion, Haemorrage and Hematoma?
As per wikipedia these are the definitions:
A contusion, commonly known as a bruise, is a type of hematoma of tissue[1] in which capillaries and sometimes venules are damaged by trauma, allowing ...
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How can I prevent muscles from becoming tight?
How can I prevent muscles from becoming tight?
I am mostly interested in forearm muscles. My goal in preventing muscles tightness is to avoid perturbing the tendons that attach to the epicondyles at ...
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How precisely can a physiotherapist assess muscles tightness?
I wonder how precisely can a physiotherapist assess muscles tightness by touching a given muscle. For example, if muscles tightness can be measured as a percentage, would a physiotherapist be able to ...
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What will happen if you keep running? What will eventually cause you to stop?
A more specific form of my question would be, "Barring mental barriers, what will lead to collapse after extended cardiovascular exercise?" I was considering asking this in the worldbuilding SE, but ...
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Can facial mass be increased?
It is shown that it is not possible to reduce/gain fat in one area by exercising that body part alone[1].Facial fat is no exception. However, is it possible to increase the facial mass via exercising ...
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How should I deal with my leg being tired at the fourth day after the overexertion? [closed]
For days ago, I run backwards and my thies still hurt (just like muscles hurt when they're exerted). Is that a sign of any injury?
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Anabolic Effects of Beta-Ecdysterone
Should one expect similar gains in muscle mass from supplementing beta-ecdysteroid to anabolic steroids like Nerobol or Methylandrostenediol? From the research I have done so far it is clear that beta-...
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Is a muscle still a muscle after years without usage?
With no usage I mean no active usage because of not working nerves.
So basically the question is wether there is like an end-state to muscle atropy where the muscle tissue changes and after what time ...
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Has my history of body building made me permanently stronger? (Despite quitting years ago)
From the age of 16-19, I went to the gym 6 days a week, ate and slept well and was in excellent physical fitness.
Now I am 24, haven't worked out in 5 years, and have a terrible sleeping pattern (4-7 ...
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Normal life with heavy weights?
On an animated TV show (dragon ball Z) characters would have clothes which seamed 3 times their own weight. Gradually building up could one be able to carry evenly across there body 3 times there ...
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How do i lose fat and gain muscle at the same time? [closed]
Through diet, cardio vascular exercise and using a Low Level Laser Therapy machine I have lost 4.75St with a daily calorie deficit of approx 700 - 1100 calories below my BMR.
My BMI is now 24 (in ...
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Which kind of muscle has greatest resting metabolic rate; big muscle, or strong muscle?
Due to scientific reports it is held that muscles have an important affect on fat burn, but would the rate be different to big, and to strong muscles? In other words, which type of muscle burn most ...
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Is there literature or publications where I can find scientific explanation for muscle growth?
Recently I've got into the argument which involved muscle growth, muscle pain, DOMS and lactic acid. I tried serfing web, but it's hardly trustworthy source of information (to be precise it's REALLY ...
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Vascularization, good or bad for health/muscle growth
I have recently started at the gym and noticed an excessively flow of blood and bloated veins on my arm when I exercise them...I googled it...it says that is called vascularization but just that...and ...
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Would doing Kegel exercise by hanging weight to penis is really effective?
An advertisement of a Kegel equipment for men claims that hanging more weight to the erected penis while contracting the pubococcygeus muscle will help make it stronger. Superficially, this makes ...
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How much reduction of blood flow in the soft tissues can result from stress?
I read on http://www.spine-health.com/glossary/muscle-tension:
Stress may change the body's nervous system by constricting blood
vessels and reducing blood flow to the soft tissues, including
...
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How does "water therapy" work to treat muscle tension?
I read on http://www.spine-health.com/glossary/muscle-tension:
Muscle tension refers to the condition in which muscles of the body remain semi-contracted for an extended period. Muscle tension is ...
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Is being deficient in vitamin D a possible cause or factor for muscle tension?
http://www.naturallivingideas.com/banish-muscle-tension/ :
It has been found that people who suffer from excessive muscle tension, spasms and pain may be deficient in vitamin D.
Why would being ...
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How can I quantify muscle tightness?
How can I quantify muscle tightness? I'm mostly interested in forarm muscles.
I could ask a physical therapist to assess muscle tightness by touching the muscle. What are other solutions? The more ...
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Are bodybuffers efficient to relax muscles?
Are bodybuffers efficient to relax muscles? Example of bodybuffer: http://www.bellebodybuffer.com/
I am mostly interested in forarm muscles.
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Does excercise increase body mass?
I am a somewhat skinny 16 year old. I am 48KG and 167cm tall. I try and eat as much as I can to gain body mass and not have stick man arms etc. I still am not getting much body mass. If I go to the ...
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Musculoskeletal vs. muscular disorders
A musculoskeletal disorder (MSD) is one that is associated with a musculoskeletal system (locomotor system).
Is MSD a subset of muscular disorders or a separate pathological category altogether?
If ...
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Is this description a tension headache?
Could this be describing a "tension headache"?
A throbbing, aching pain that starts at the back of the head and
finishes just below the shoulder line.
I thought tension headaches start and ...
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life expectancy for cerebral palsy (spastic diplegia)? [closed]
I'm a man in his 30s who has lived with mild spastic diplegia (cerebral palsy) all his life. Longevity runs in the family (all my grandparents have made it past 90 and one is working on 102). It ...
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