On a hot day, youll be happy to have a fan that can oscillate, meaning it moves back and forth in a steady motion. The verb oscillate can be traced back to the Latin word oscillum, meaning swing, so it makes sense that oscillate is used to describe an object like a fan or a pendulum that swings from side to side.
Types of Ligaments: According to composition: 1  Most of the ligaments are made up of collagen fibers. 2  These are inelastic and unstretchable, 3  A few ligaments, like the Ligament flava and ligaments of auditory ossicles, are made up of elastin fibers (predominantly). 4  These are elastic and stretchable.
There are four ligaments in the knee that are prone to injury: 1  As mentioned above, the anterior cruciate ligament (ACL) is one of the two major ligaments in the knee.  The posterior cruciate ligament (PCL) is the second major ligament in the knee connecting the thighbone to the shinbone in the knee.