When you turn a doorknob, there are two movements involved in the elbow:
- <u>pronation:</u> is the movement of the hands to turn the palms posteriorly. That is, it involves placing the palms into the prone (face-down) position, like looking at the backs of the hands.
- <u>supination</u> : is the movement with the arms extended to the sides of the trunk and palms facing forward. Another way of thinking about supination is how someone would move their hands to look at their palms or to hold a bowl of soup.
Radiohumeral joint is formed by the articulation of radius and humerus. The radius is specially designed to rotate at the elbow
Answer: A They were to expensive to produce.
Explanation:
The correct answer is B.fall of the Berlin Wall
The Prague Spring happened in the 60s, thirty years before the Soviet Union would actually fall. The fall of the Berlin wall showed that other countries can separate themselves from the Soviet's grasp and this led other countries, even those that were in the Union such as Lithuania to start fighting for their independence.
<span>C, Hurricane. Hope that helps.</span>