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Muscle loss can occur due to disuse, often resulting from prolonged inactivity or immobilization, which leads to atrophy of muscle fibers. Additionally, age-related factors, such as sarcopenia, contribute to muscle loss as the body's ability to regenerate and maintain muscle mass declines over time. Chronic diseases and malnutrition can also exacerbate muscle wasting by impacting protein synthesis and overall energy balance.
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What are the only two types of cells that have excitable membranes?
The only two types of cells that have excitable membranes are neurons and muscle cells. Neurons transmit electrical signals in the nervous system, while muscle cells generate electrical signals that lead to muscle contraction.
Could wasting be associated with mitochondrial toxicity?
(Asker) Muscle cells have a lot of mitochondria in them. Is it theoretically possible that mitochondrial toxicity, which can sometimes be caused by several known Antiretroviral Therapy drugs, could lead to Wasting (loss of 10% body mass)? It would seem like the deterioration of Mitochondria would lead to the death of muscle cells, and in turn deteriorating the muscles, then in turn cause the loss of body mass. I know that muscle isn't the only type of mass in the body, but is this possible in terms of losing muscle mass? I haven't been able to find any research documents linking the two, so I was just making hypothetical possibilities. It seems like it could at least be possible, if not probable. What do you think?
How much weight can I reasonably expect to lose in a week?
Physicians recommend weight loss of one to two pounds each week. Any more than that is not the loss of excess fat, but the loss of muscle mass and water, which is not healthy and does not constitute real, lasting weight loss.
Can migraine lead to alzheimers?
No. Research has not made any kind of link between these two conditions.
What is the difference between bulking and cutting in terms of fitness and how do they impact body composition?
Bulking and cutting are two phases in fitness. Bulking involves eating more calories to build muscle, while cutting involves eating fewer calories to lose fat. Bulking can increase muscle mass but also some fat, while cutting reduces fat but may also lead to muscle loss. Both phases impact body composition by changing the ratio of muscle to fat in the body.
What arae two early signs of aging in adults under the age of 40?
Two early signs of aging in adults under the age of 40 could be: loss of muscle flexibility, deterioration of eyesight, increase in body fat, and some loss of hair.
What will happen if you don't eat for 2 weeks?
If you don't eat for two weeks, your body will begin to use stored energy reserves, primarily fat and muscle, to sustain itself. This can lead to significant weight loss, muscle degradation, and a range of health issues, including fatigue, weakness, and impaired immune function. Prolonged fasting can also result in severe complications such as organ failure or death, especially if pre-existing health conditions are present. It's crucial to seek medical attention if you're unable to eat for an extended period.
What are the differences between cutting and body recomposition, and how do they impact the process of achieving fitness goals?
Cutting and body recomposition are two different approaches to achieving fitness goals. Cutting involves reducing body fat while maintaining muscle mass, typically through a calorie deficit and increased cardio. Body recomposition focuses on simultaneously building muscle and losing fat through a balanced diet and strength training. The impact on achieving fitness goals is that cutting may result in weight loss but can also lead to muscle loss, while body recomposition aims to improve body composition by increasing muscle mass and reducing fat percentage.
What happens to a muscle that loses tone?
A loss of tone does not mean muscle wastage, which many people may think, but it can lead to muscle wastage if it is due to the muscle not being able to contract/function anymore. Muscle wastage is known as atrophy. Low tone is known as hypotonia (the opposite being hypertonia [spasticity]). A muscle with low tone is generally weak against resistance, where as a muscle with high tone has a lot of resistance against a force. Tone is set unconsciously so that we can move fluently, so unless it is loss of tone due to some kind of neurological disorder, then it just means that the muscle is not in a contracted state in any way.
What diploplia means?
Diploplia simply means double Vision; many things can lead to this, such as problems with the innervation or musculature that deals with eye movement (ex. superior oblique muscle, superior rectus muscle, cranial nerves 3,4,6...). This is one aspect of the condition, but anything that causes the eyes to move asymmetrically causes a loss of 3-dimensional sight, and two separate images with reduced or no overlap - hence the "double vision."
Is flaccid paralysis a result of atrophy?
No, generally these are two separate issues. In flaccid paralysis, the muscles may be intact, but unable to contract due to chemical or electrical problems. Atrophy refers to the loss of muscle strength, tone, and size often due to disuse. Over time, paralysis could lead to atrophy from the disuse.
Types of muscle are involuntary?
Of the three types of muscle, the two that are involuntary are cardiac muscle and smooth muscle.
