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9

I am afraid my answer might not be considered as the definitive source as I am just quoting someone in a forum but the primary reason is to enable users to walk down steps better by providing more grip and space. To quote the post. For safety in going down the stairs. When you step down the stairs, you place the ball and toes of your foot on the tread ...


8

I suggest the "I Agree" button. We all know that the "I Agree" button is just some legal mumbo jumbo that neither the developers nor the end user truly care about. By having the checkbox, we lose the "I Do Not Agree" button. This makes it more difficult and frustrating for the end user to quit, which they should be able to do easily and at any time. For ...


5

Step size and security When they are well designed, they seem to prevent more incidents than what they cause. There's a lot of information in Pauls, Jake. "Relating stair nosing projection, tread run dimension, shoe geometry, descent biomechanics, user expectations, overstepping missteps, and closed-riser heel scuff missteps.". I've not found studies that ...


2

This is conjecture as well but consider this analysis of stair climbing gait, specifically the transition from stage IV (Forward Continuance) → V (Foot Clearance) → VI (Foot Placement): In particular, note that while lifting the leading foot, the knee flexes more than the hip, thus causing the toes to have a net backwards movement. If you ...


2

I think you'll find that different people will have different opinions about this, so while this is probably just my opinion, I will try to explain it in the most objective way I can think of. When you approach design from an 'engineering' perspective, it is about providing a solution to a problem that comes from first principles. That is, you come up with ...


1

This is a very interesting question. and all the reasons you carried maybe reasonable but nothing related to the toes and heel ... it is all about human comfort. The comfort space to get you feet onto a stair is 30cm tread X 15cm raise, but the comfort space for your next step average from 26cm to 28cm more than that you will make an extra effort to reach ...



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