The subtalar joint contributes to 10% of dorsiflexion of the ankle. There are three articulating facets between the talus and the calcaneus, delineated as the anterior, middle and posterior facets. The sustentaculum tali forms the floor of middle facet, and the anterior facet articulates with the head of the talus, and sits lateral and congruent to the middle facet.
The most abundant element on Earth is oxygen, but the most abundant element in the entire universe is hydrogen. On Earth, oxygen makes up approximately 47 percent of the Earth's mass and is found both in Earth's atmosphere and crust. Continue Reading.
The most abundant chemical compound on earth is hydrogen. It is in water, and since water covers 70% of earth's surface, this makes it the most abundant chemical compound on e â¦ arth.hare to: The most common compound is water. Its molecule is made up of two hydrogen atoms and one oxygen atom. Hydrogen is the most common atom in the universe, and oxygen is the thrid â¦ most common, so water has to be the number one compound.