Answer:
The lumbar vertebrae only allow flexion and extension movements.
Explanation:
The lumbar vertebrae only allow flexion and extension movements but has limited rotational movement. It is present on the third region of vertebral column. This lumbar vertebrae is present in the lower of the back between the thoracic and sacral vertebral segments. Lumbar vertebrae is made up of 5 bones or vertebrae. The main function of this vertebrae is to bear body weight of the upper part.
Well generally it will be a positive impact (Of course this generally depends on what the "Physical activity" is, it is generally good, reason being while exercising causes the brain to release endorphin's, as well as helping relax muscles and relieve physical tension, which can greatly help with stress.
I should say that's a little bit impossible, you have no money to do it, your parents will need to do it for you, so, it's not like "ok" but sometimes it happens and will need to be this way.