Since these are arthritic stress, rest is recommended in order to avoid progress of the stress for example ehlir walking or running,
Ice pack-in case of inflammation, we know that this occurs due to vasodilation lead to mobilisation on extracellular compartment of immune cells. In order to avoid accumulation of immune cells and fluids that made stress to synovial cavity. Ice pack is possible because it acts to vaso constrict on the vessels there fore limit the mibilzation of immune cells and fluid to the join cavity.
Nsaids-acts as pain inhibitor and also anti inflammatory drug. Because exposingvthe joint in prolong Ed time of inflammation could lead to stress destruction osteoarthritis.