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14 votes
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When to stretch as a sportsman

There are three main types of stretching that the general layman will be familiar with. There are a couple of others, but they are extreme techniques, and generally not used by the everyday athlete. ...
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10 votes
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Does menthol have therapeutic effect on sore or inflamed muscles and tendons?

There is evidence of analgesic effects of menthol in scientific literature. It has been studied in humans and has shown to be superior to ice in delayed onset muscle soreness; in a placebo-controlled, ...
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7 votes
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When doing static (traditional "lean and hold" type of stretching), how long should we hold the stretch?

The general consensus on the internet and among various physical trainers is that static stretching in 20-30 second segments is sufficient to increase range of motion (ROM) in a muscle. This is ...
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  • 6,540
6 votes

What will happen if you keep running? What will eventually cause you to stop?

If the runner can't drink then dehydration will be the first thing that takes him out. Water is the one essential thing he's going to lose rapidly through sweat, urine and respiration, and as he loses ...
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5 votes
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life expectancy for cerebral palsy (spastic diplegia)?

Having done more searching over the last month, I thought it might be helpful to others if I answered my own question. I came to three realizations: First, this is like asking, "Dear Google, when am ...
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5 votes

Musculoskeletal vs. muscular disorders

I only partly agree with previous answer and would like to contrast some of the points suggesting that "muskuloskeletal disorders is a term used in occupational medicine". According to the ...
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5 votes

When to stretch as a sportsman

Although stretching is not the only answer, you should certainly do some pre-exercising. In a state of inaction, your muscles contract and tighten, and also lose heat. This makes them brittle and ...
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4 votes
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What stretches are worth doing for a healthy 30-year-old male to prevent tendon injuries?

If the purpose is to prevent tendon injuries, then stretching is not really an effective solution. This article took a look at nearly 2000 articles in Embase and PubMed, and distilled down to 10 ...
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4 votes
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Is this description a tension headache?

Yes, a tension-type headache is more of a pressing, tightening quality, and mild to moderate intensity. There is no throbbing. There is also no nausea. It is usually bilateral, so usually it is on ...
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4 votes

To what degree does tactile stimulation affect muscle tone?

I believe the procedure described is called either muscle energy technique (MET) or proprioceptive neuromuscular facilitation (PNT). More details are on Advantageceus.com (p. 229). Skin stimuli, like ...
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4 votes
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Is any anticholinergic necessarily antihistamine?

Anticholinergic medications are called this way because they block transmission via the neurotransmitter acetylcholine. To be more precise, there are different types of acetylcholine receptors: ...
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3 votes
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Why is the M. supinator not an extensor of the Art. cubiti?

Point of attachment and direction of force development. This is like trying to move a door near the handle or at the hinges. Lever forces are weak in one case and almost absent in the other case. It ...
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3 votes
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What will happen if you keep running? What will eventually cause you to stop?

It's been my understanding that a buildup of lactic acid (aka lactate) eventually causes the muscles to stop being able to process glucose. This article from Scientific American describes the ...
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3 votes
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Normal life with heavy weights?

If you build this up gradually, then you're more likely to succeed, although it may still be above the limit that your body can tolerate in the long term. In general, exercise stresses the body, but ...
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3 votes
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Does exercising lower your lifespan?

Persons who do regular physical exercise have a lower heart rate while they are resting (or not exercising): http://www.ncbi.nlm.nih.gov/pubmed/22081187 Hence, their hearts will be beating same ...
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3 votes
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Exercises to stop Muscular Atrophy

Muscle atrophy doesn't have to be bad. Your body tries to fit the situation by decreasing your muscle mass and thus to decrease the needed energy to maintain your body. However, in order to prevent ...
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3 votes
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Sutures - do they go through the muscle as well?

Thanks to Vance-L-Albaugh for clarifications. For deep cuts, sutures bind the subcutaneous tissue to allow it to heal properly. Since muscle lies beneath the subcutaneous tissue, it seems that ...
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3 votes

How are surgical patients kept still while awake?

I am an anesthetic nurse and have been present at different neurosurgical operations while patients were awake. Mainly brain tumors, but also some stimulation electrodes to fight tremor in Parkinson ...
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3 votes

Inspiratory and Expiratory Muscle Training

The Powerbreathe is an inspiratory muscle trainer promoted as improving inspiratory muscle strength (and consequently exercise performance) in athletes and patients with respiratory disease. No ...
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3 votes
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Myocardial Ischemic Contractile Failure & Potassium

Your understanding about the mechanism by which the K+ ions leak out of the cardiac cell during ischaemia is correct. But, regarding the latter part, lets discuss what is the situation of K+ ions in a ...
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3 votes

Is Glucose-6-phosphatase absent in all the 3 types of muscular tissues?

In humans, glucose-6-phosphatase is actually a multiunit enzyme system (Hutton and O'Brien 2009. PMCID 2785553). There are at least 3 isoforms. G6PC The first isoform, encoded by the G6PC gene, is ...
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2 votes

Why can joint pains be felt even when there is no external activity taking place, unlike muscle pains?

Inflammatory chemicals released into an inflamed joint stimulate pain receptors even at rest: Proinflammatory cytokines such as tumor necrosis factor-alpha, interleukin-1beta, interleukin-6 and ...
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2 votes
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Im buying BCAA's for building muscles but afraid of losing serotonin

Your understanding of the effect of BCAA's on serotonin is not 100% correct. Let me preface this with "I am not a biochemist", I'm learning like everyone and if anyone who has a degree could improve ...
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2 votes
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Is it bad to wash yourself with cold water

Cold water definitely doesn't cause arthritis but it certainly helps to release muscle stress. Infact hot and cold therapy is suggested to patients with arthritis. When you run you cause wear and tear ...
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  • 236
2 votes

Musculoskeletal vs. muscular disorders

This is more the matter of the usage of the terms rather than an actual categorization. "Musculoskeletal disorders" is a term used in occupational medicine that refers to "minor" ...
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2 votes

Which kind of muscle has greatest resting metabolic rate; big muscle, or strong muscle?

Background: Basal Metabolic Rate is the minimal rate of energy expenditure per unit time by endothermic animals at rest. Several BMR equations exist but the most notable one was the Harris-Benedict ...
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2 votes
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Why does an orthotic work instead of an exercise for hammertoe?

It depends on whether the hammer toes are due to functional problems or are fixed. If the proximal interphalangeal joint can be passively extended, then an orthotic can help. If the passive issue is ...
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2 votes

How to differentially diagnose continuing sciatic pain given this existing information?

DIFFERENTIAL DIAGNOSIS Differential diagnosis in an adult man with a unilateral pain in the gluteal area lasting for over a year and not worsening, without a history of trauma, infection or ...
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1 vote
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Different types of nociceptors in muscle vs connective tissue?

Your question focuses on the location of the receptors (the part of the nociceptors that is reacting to mechanical, thermal, or chemical stimuli). An equally important part of a nociceptor is the ...
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