A lump on the back and hand could be related to various musculoskeletal or soft tissue issues. Talk to a doctor to assess your symptoms. You may need imaging studies if necessary, and provide a diagnosis and treatment plan based on the findings.

Burns occur when skin contacts hot items like­ fire or boiling water. The are­a might be red, swollen, and painful. To he­al faster, gently clean the­ wound, apply burn cream, and bandage it. Kee­p it clean and dry for a few days. If it doesn't improve­ or you notice pus or more pain, see­ a healthcare provider. But for now, ke­ep it clean and protecte­d. 

R22.43 means you have swelling, mass, or lump in your lower limbs on both sides which may cause your legs to feel heavy or achy. This could be because of prolonged sitting or standing, immobility, and after a minor injury. 

It's essential to consult a professional for a proper evaluation. In the meantime try gentle exercises, proper posture, heat/ice packs, and pain relief medications.

If you fall and break your wrist, you may end up with a fracture. In addition to hurting, the occurrence of welling can be felt. It may be difficult to move your wrist as well. The reason for this is that the bone was forced to bear so much weight that the bone practically shattered. The first step to get it to heal is to put it in a cast or a splint so the bone can repair itself gradually. It's important to keep your wrist relatively immobile until it gets well.