1 Can 50 crunches a day reduce your stomach

It can.

Sit-ups are an abdominal exercise that can strengthen the abdominal muscles and reduce the accumulation of abdominal fat, and doing 50 a day is considered a relatively large amount of exercise, so for most groups, adhering to it can have the effect of reducing the stomach.

But it should be noted that, because this movement is from the waist and abdomen involved in the cervical spine, so the waist and abdomen, spine, cervical vertebrae have lesions of patients, are not suitable to use this way of weight loss, so as not to lead to aggravation of the condition.

2 How many calories do 50 sit-ups consume

Varies from person to person.

From the theoretical calculation, a sit-up can consume 10 calories, then 50 about can consume 500 calories or so, but each person's base and metabolism is not the same, and each person in the sit-up, the amplitude of each action, the frequency, the physical state of the body will appear to change, so the last can be consumed by the calorie ripe, completely from person to person, but no matter how much to consume. As long as you adhere to the movement, you can play a significant role in weight loss.

3 50 sit-ups are not considered strenuous exercise

Sort of.

Sit-ups belong to anaerobic exercise, and anaerobic exercise is a short and strenuous exercise, with a high load intensity, instantaneous and strong, it is difficult to continue for a long time, fatigue elimination of the slow speed of the characteristics, so do 50 sit-ups is considered to be a strenuous exercise.

Strenuous exercise is not only easy to cause muscle fatigue and damage, but also may lead to gastrointestinal cramps and other discomforts, so beginners do sit-ups, it is best to gradually, from less to more, so as not to lead to physical damage.

4 Sit-ups are good in bed

Depends.

Sit-ups need to be done on a flat surface with a hard surface, so the bed can be done on the bed if it is a hard board bed, but if it is a soft bed, it is not recommended to do it on the bed.

Because in a soft bed, doing sit-ups will lead to the back not being well supported, resulting in irregularities in the movement of sit-ups, affecting the effect of the sit-up movement.