broke left foot-snow tubing

hello…well we were down for our 9th snow tubing run–my boyfriend & I,sharing a double tube-in our younge,early 50’s-Sun, Jan 15th-cold,icy day…
I was slammed into a big ice boulder—I saw stars…did my best, walked,boy it hurt, packed the car & back home.off to er 5 pm jan 15th…dx—contusion,fracture,sprain,articular surface injury,neurovascular injury,tendon injury-5th metatarsal…wrapped up from er–saw dr next day.. He has me in a left shoe cast, only walk on heel,use crutches-next appointment feb.27th—i’m getting pins and needles, numness, falling asleep…they said to elevate it & use ice…anything else,anyother advise…