If the amount of bleeding is not large, the site is not serious, and the age is small, it can generally be absorbed by itself.
You said that limb muscle stiffness was caused by bleeding, increased intracranial pressure and compression of nerves.
Always turn over and wipe your body, especially in summer, if you can use an air cushion to prevent bedsores.
If you can walk on the ground, you should strengthen your exercise slowly to prevent muscle atrophy.