how long does broken forearm take to heal
Answers. Best Answer: 6 weeks is the usual amount of time for a broken arm to be in a cast. If they're taking it off tomorrow the bone is probably healed or almost healed.After having any part of your body immobilised for so long you get some muscle wastage.nswers. Best Answer: 6 weeks is the usual amount of time for a broken arm to be in a cast. If they're taking it off tomorrow the bone is probably healed or almost healed.