Suddenly I found I have a hard time hiking I feel weak and can t take steep steps unless someone helps pull me up, it s like weak muscles but a few months ago I was fine...I wouldn t be that out of shape. I am 49 in the shape of someone a decade or two younger but there were women who looked older than I ame= going up these steps very quickly without help. Also sometimes I feel a loss of coordination. I go to take a step and it s like I can t control where my foot lands and I feel like I m almost going to fall. It s embarrassing. Also last time I tried to go up the hill I was feeling lots of vertigo and needed to keep resting. I recently started taking a beta blocker (10 mg of propranenol 2 times a day) I started taking that because I had gotten tremors. That has stopped the shaking of my hands but I don t understand my issues with walking. Sometimes even like a high curb I might not be able to step up on. It s really bad.