How to pronounce“strengthens”in English

And the ones that I use are the crunch for the front part of the body and arm running, hand-rolled weights in the standing position.Just like this. Strengthens the shoulders, the neck, the muscles up and down the spine to provide a backup strengthening support for the spine.And when you have the right strength activities for you, it doesn't take much time, but you tend to stay upright for a longer period of time.