Rapid muscle loss often occurs due to a lack of exercise, poor nutrition, or other health problems. For the average person, muscle loss can begin after just 2-3 weeks of inactivity, according to the health website Livestrong (USA).

Feeling tired or fatigued quickly when lifting weights can be a sign of muscle loss.
PHOTO: AI
However, clear signs of muscle loss will become apparent within 4 to 12 weeks. This rate is even faster for older adults. Common signs of muscle loss include:
The muscles appear smaller or weaker.
People experiencing muscle loss may notice that the muscles in their arms and legs appear smaller. Additionally, weakness, numbness, or tingling in the hands and feet are also warning signs.
Daily activities become more difficult.
People who lose muscle mass will find their arms feel weaker, making climbing stairs difficult. Normal activities like opening jars, buttoning shirts, or carrying groceries will be harder to perform as efficiently as before.
Training becomes more strenuous.
People who are losing muscle mass will find it difficult to lift heavy weights. They do fewer sets or simply feel a lack of stamina to complete exercises. This fatigue and sluggish training performance can mean that muscle mass is gradually being lost. Additionally, the body no longer recovers as well after training.
Feeling persistently tired
Sometimes muscle atrophy isn't due to a lack of exercise, but rather to overtraining without adequate rest. Signs include persistent soreness, decreased motivation to exercise, a higher resting heart rate, and an increased risk of injury.
The most important thing when detecting signs of muscle loss is to identify the cause, and then find a way to remedy it. If muscle loss is due to a lack of exercise, then increased physical activity is necessary. Exercises such as weightlifting, squats, push-ups, pull-ups, or resistance band training are very effective in maintaining and developing muscle mass.
If you lose muscle mass due to overtraining, you need to reduce the intensity of your workouts, get enough sleep, and rest at least one day a week. In addition, nutrition is very important. Muscles need to be energized during training. Fueling your muscles means providing enough high-quality protein, such as lean chicken, fish, yogurt, beans, or supplements, according to Livestrong .
Source: https://thanhnien.vn/4-dau-hieu-canh-bao-co-the-dang-bi-mat-co-nhanh-chong-185251008132502126.htm








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