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.
What is the most abundant element in the earth? Earth has oxygen and silicon which make 75% while in the human body oxygen, hydrogen, and carbon make up over 90% of it.In short its oxygen.he fourth most abundant element in the universe by mass is carbon. The most abundant is hydrogen, then helium, followed by oxygen.