I’ve just had a home visit from the Physiotherapist. He was very kind and he gave me 4 exercises which can be used when I am on my computer from a ‘seated position’. Also some ‘stretches’ for my hands which were becoming ‘stiff’ when using the computer.
I had to ‘disguse’ my words but the bit about hand-strengtheners could be really good! I have not used them since I was ‘young’ and had forgoten about them.