Name: Arm Step Out.
Also known as: (If you know these by any other name, please leave a comment below).
Main muscles used: Belly.
Other muscles used: Shoulders, lats.
I train people with quite a wide range of abilities. On one end of the spectrum I train with some very fit, strong, athletic people. On the other end, I train with people with disabilities, chronic pain and degenerative conditions (see my Get Moving page for more details). But I still have a favourite core … Read more My favourite core exercise