The helix, or hilus
zig
Concave
The Helix?
If your knees go inward. Your knees will touch but your ankles wont
One of the differences between a bay and a gulf is that a bay has an inward land curve. The Hudson Bay has an inward curve.
Yes.
A lenses that curve outward is convex.A lenses that curve inward is concave.
Having your knees bend inward when you stand could be a sign of weak hip abductor muscles or poor biomechanics. Strengthening exercises for the hip abductors and working on proper alignment and stability through targeted exercises could help correct this issue. It's advisable to consult a physiotherapist or a healthcare professional for a proper assessment and personalized treatment plan.
No. Actually, the elephant is the only animal with four knees.
legs'
Horses do not have knees in the same sense that humans do. They have front legs with knees that are equivalent to our wrists, and hind legs with hocks, which are the equivalent to our ankles. Instead of bending their legs at the "knee," horses extend their legs or "lock" them in place.