Radiologist Salary. The median average radiologist salary in the United States is reported to be around $365,000 per annum according to data from salary.com. The salary earned by a physician radiologist, just like many other professions, is determined by several factors.adiologist Salary. The median average radiologist salary in the United States is reported to be around $365,000 per annum according to data from salary.com. The salary earned by a physician radiologist, just like many other professions, is determined by several factors.
This is usually another bone and called the insertion site. When the muscle contracts, the joint between the two attachments acts as a lever and causes motion that moves that part of the body. *copied from a different question to help you out*.
Best Answer: A muscles contraction (also known as a muscle twitch or simply twitch) occurs when a muscle fibre generates tension through the action of actin and myosin cross-bridge cycling. While under tension, the muscle may lengthen, shorten or remain the same. Though the term 'contraction' implies a shortening or reduction, when used as a scientific term referring to the muscular system contraction refers to the generation of tension by muscle fibers with the help of motor neurons. Contraction is will happen once a muscle is stimulated by a threshold stimulus. Muscle Contraction. 1. The distal end of a motor neuron releases acetylcholine. 2. Acetylcholine diffuses across the gap at the neuromuscular junction. 3.