 [ Symptoms ] i have lost about 60 pounds and my skin seems loose i have been walking and swimming what can i do  the skin on my arms and upper leg look funny when i stand or raise my arms it looks like crepe paper and is very loose i lost the weight over 5 to 6 months so i thought it would he a healthy schedule i walk about 2 miles every other day and swim for an hour 3 days a week i have been using small weights too for wake up exercises [ Disease ] many conditions besides thyroid issues can contribute to weight loss because your tsh levels are within the normal range your weight loss falls into the unexplained category this is always concerning i would suggest you see a health care provider to find out what is going on if you are actively trying to gain weight but continue to lose instead you need to get to the root of the problem best wishes to you