sit-up

A. 1

Yes, if your back is not good, don't do it

Gentleman 5 years ago 0

OK

A. 2

Try lasing so that it doesn't burden your back I don't recommend it if you're sick

Gentleman 5 years ago 0

OK

A. 3

It's not that it's bad, but it's because it's hard to do a posture that doesn't burden your back

Lady 5 years ago 0

OK

A. 4

Sit-ups are fatal even for good-waisted people.

Lady 5 years ago 0

OK

A. 5

Let's not do it

Lady 5 years ago 0

OK

A. 6

It's better to do other exercises

Gentleman 5 years ago 0

OK

A. 7

Yes, another stretching... There are a lot on YouTube, too

Lady 5 years ago 0

OK