Paul Swift from BikeFit sent out an infographic showing proper wrist alignment - their example is for a mountain bike, but the concept is identical no matter what you're riding. If you've been to WSSC, BikeFit is the company who provides the very popular bicycle shoe cleat alignment / adjustment service.
Complaints about hand numbness are typically the result of riding with hyper-extended wrists. We've explored the need for proper hand position in detail here at ICI/PRO in these posts:
Correcting Student”™s Form — Proper Hand Position
More on preventing carpal tunnel / hand numbness in your students
5 Tips that will help you (and your hands) feel more comfortable on your bike
- ICI Podcast 238 Meet Nerd Fitness Creator Steve Kamb - April 6, 2024
- ICI/PRO Podcast #113 Explosive Power pt 3 – Video PROfile with Tom Scotto from Stage 5 Cycling - March 31, 2024
- Spinning RideBook of class profiles - March 28, 2024