Pre-riding warmup?

[Vahur]

Has anyone good tips for pre-riding warmup? What kind of exercises you do during waiting for lift opening (before riding down first time)?
I try (if it comes to my mind it and if can postpone my wish for riding 5-10 minutes :D ) to strech myself and warm up knees, upper body, hands (shoulder area, elbows and wrists) and neck, but do it in more-or-less empirical way (trying to remember my school-time warmup exercises, but that was 20 years ago), so more scientific and proven methods are appreciated!

[Ladia]

A couple beers on parking lot.:p

[C5 Golfer]

(so more scientific and proven methods are appreciated)

Mine are easy- I simply turn the seat heater on so when I get there I am fully warmed up and ready to go.:D

[Neil Gendzwill]

A friend of mine who's a triathlete told me that some 90% of running injuries occur because of cold stretching - you incur some micro tears in the muscle that become compounded by the running. He always stretches after his workout is complete. I don't feel safe without a stretch but I always break a light sweat in the gym or dojo first, do some stretching and then go into the main part of my workout.

Same thing should apply to riding. I prefer to take an easy warm up run or two to get my body warmed up, and then stretch before going hard.

[Tommy D]

I do a quick stretch of my legs, and counter-rotate my upper body to make sure everything is loose, then I ease into my riding. I'm usually okay and good to go.

At the end of the day, if I remember, I always do a good cool-down stretch so that I don't tense up in the car.

[Vahur]

A couple beers on parking lot
Well, little beer could help riding (takes tension away and allows more relaxed riding), but it's helluva hard to estimate correct amount in order not to get too dipsy and lose reaction time. And in case of incidents consequences could be really bad, especially in USA (where one's ass can be sued off for much smaller causes). So thanks, but no, thanks :)

I prefer to take an easy warm up run or two to get my body warmed up, and then stretch before going hard.
Good suggestion: on first runs of season I can usually take run or two, then my legs will be so adrenaline pumped and tired from unusual strain, that they tremble and I should take break anyway :D