My wife has a pretty bad case of exercise induced asthma. She's getting that under control working with her doctor through appropriate inhalers and what not. Her current issue now is leg stamina. I know a pretty dumb question, but is there anything else she can do other than just plain ride to build up her legs after not having to strain them like riding does in a long time. She can barely stand up for long periods of time on the bike and definitely struggles on climbs. She has the strategies for attacking features and what not down but just simply cannot match it with physical energy. Any ideas would be great. Thanx in advance.