1 Hydrogen is the most abundant element in the universe. 2  Hydrogen isn't common in a pure form on Earth, but is mostly found as part of water. 3  Hydrogen is the main fuel of stars and the only fuel for red dwarfs. 4  The whole universe is thought to have been formed by a Hydrogen nucleus.
Noun. 1. hindlimb-a posterior appendage such as a leg or the homologous structure in other animals. hind limb. hind leg-the back limb of a quadruped. limb-one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper. 1  Facebook.
The hindfoot generally refers to the section of the foot that begins immediately below the ankle joint and ends at the level of the Chopart joint. You cannot feel the Chopart joint but it is made up of 2 joints in line, called the talonavicular joint and the calceneocuboid joint and is found below and in front of the ankle joint.