…both posture (a big one) and speed. I can keep Joan and Jane in sight on the way back, the uphill. Downhill I can keep up.

And let me tell you, if you have muscle pain or weakness, get a combo of Gloucosamine, Chondroitin, and Hyaluronic Acid, and take it with Magnesium, Potassium, and Vitamin D. If you’re taking prescription meds, clear it with your doc and get advice from your doc about when in the day/how far from the other dose to take these, or if you should have them—(eg, with levothyroxine it’s 4 hours away from the thyroid dose for Magnesium, or in Jane’s case, Iron.) Here’s what hyaluronic acid does: http://www.livestrong.com/article/373182-hyaluronic-acid-foods/ I got off it for a while and really felt it; got back on, and I’m in far better shape.