After a fracture and surgery of the arm bone, it is common to feel joint weakness and hear clicking sounds during recovery, especially if muscles are still weak or joints are stiff. Gradual physiotherapy and strengthening exercises are very important to regain strength and stability. Ensure proper nutrition with calcium and vitamin D, and avoid overstraining the joints. However, if the sounds are painful, it is best to consult your orthopaedic doctor to rule out any issues with healing or joint alignment.