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To jump, you need the force of your leg muscles pushing off of the floor to move you into the air. Without bending your knees, you can't use your leg muscles.
You stick out one of your legs and touch your back leg on the ground while bending your front and back leg.
with their legs ok but they walk with their legs bending forward and back, which is different from other crabs as other crabs bend side to side, hope that helps
Yes! I am not aware of any dogs / mammals that can't bend their back legs. I have a mini Scnauzer, and I see her bending them quite alot, especially when walking.
It lies on its belly pushing back on its hind legs creating a large amount of resistance. When it wants to pounce it releases its front paws and the springs with its back legs whilst lifting its front paws.
The main muscles at the top of your legs (in your thighs) are called your quadriceps and hamstrings. The ones at the back are the hamstrings and the ones in the front are the quads. The hamstrings are responsible for bending your legs backward, and the quads are responsible for extending your legs forward.
they bend their knees and you can see the falmingos legs bending.
Yes, because they may have a little trouble bending their hind legs if they didn't...
Pivot your feet as you punch. Push the body forward. Energy travells upwards from the ground up your legs through your back muscles and pivoting helps to push that energy out as you punch. Pushing the body forward is also helpful but many argue that the punch is being telegraphed and the punch be thrown from a stationary position.
Not really. You mainly use your legs/ leg muscles, for everything but mainly getting low and bending you legs.
A flamingo only bends it's leg while standing still. To walk it simply walks like any other bird.
Trampolines use elastic collisions. The gravitational energy of the person bouncing is not sufficient to break the material, which rebounds to transfer energy back to the person. It also uses the effect called resonance, whereby inputs of energy can be combined to form increasing amplitudes. By changing your body position (mostly by bending or extending your legs), you can increase the acceleration experienced before you hit, and increase your height before you start back down. Most of this is instinctive after a few minutes of bouncing.