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...
From Wikipedia, the free encyclopedia. Interval training is a type of physical training that involves a series of low-to high-intensity exercise workouts interspersed with rest or relief periods.The high-intensity periods are typically at or close to anaerobic exercise, while the recovery periods involve activity of lower intensity.alk-back sprinting is one example of interval training for runners, in which one sprints a short distance (anywhere from 100 to 800 metres), then walks back to the starting point (the recovery period) to repeat the sprint a certain number of times.