Following the 1860 election to the presidency of Republican Abraham Lincoln, 11 southern states eventually seceded from the Federal Union in 1861. They sought to establish an independent Confederacy of states in which slavery would be protected.
Hollow rocks are a basic gymnastics exercise used to strengthen the core. Though basic, it is still a challenging exercise. Check out the video below to see how to perform them, as well as multiple ways to scale them to...
Definition. Arthrokinematics refers to the movement of joint surfaces. The angular movement of bones in the human body occurs as a result of a combination of rolls, spins, and slides. 1  A roll is a rotary movement, one bone rolling on another. 2  A spin is a rotary movement, one body spinning on another. 3  A slide is a translatory movement, sliding of one joint surface over another.