Yeah, I echo what everyone else has said (how original)

I'm an older dude, too, so I feel your pain (so to speak)!
I'm guessing that Topeng's right about the thighs & forearms. How are your knees and your back? Doing sei ping ma (horsestance) can trigger discomfort if you're not used to the position and/or if your alignment may be incorrect for you. Try some minor adjustments with your Sifu's/Sihing's/Sije's advice and see if it feels better.
Like Jow Yeroc had mentioned, ask your Sifu for some Dit Da Jow (Chinese topical liniment). It does wonders for general sorespots.
Further to what HG1 had said, challenge yourself during your workout, but only to the point of soreness or discomfort, not pain. Myself, I have "old" knees, ankles & a back, but smarter training keeps me going & helps to alleviate those non-Hung Gar-related discomforts. I feel better training those "old bones" then when I don't work them out.
By chance, do you train under Mandarino Sifu? If so, I've always meant to drop-by whenever I've been in the area but something else always came-up
Anyway, welcome to the Hung family
