Work related illness ,strains, sprains,stress

Hi.New here after 10 year gap…
Just retired after 28 years lorry driving.Supermarket work.Unloading and pushing roll cages long distances and up gradients.
Being female and only 5ft 3ins…we were never risk assessed or capabilities tested as we got into our mid 50s…Some companies can’t accept you get weaker as you age ? Anyone else experienced getting injured if so is it muscles. Bones tendons cartiledge. ? …