Medical prefix: A prefix employed in medical terminology. Medical words are often put together, cobbled from two or more building blocks. Among these building blocks are the prefixes. Examples of prefixes used in medicine include: a-: Prefix much employed in the health sciences indicating not, without, -less as, for examples, in alexia (not read), aphagia (not eat), aphonia (not voice, voiceless).
Fibers of the middle (medial) segment of the trapezius cause an upward rotation of the scapula and this helps to elevate the arm. The medial fibers of the trapezius help squeeze the scapula together, and this is the region that is most active in the chest expander exercise.he expanders should begin in front of your torso. Raise your arms and forearms until they are parallel to the floor and maintain this arm height throughout the exercise. 2. Begin with your elbows pointing outward and with your palms facing each other and your hands at the level of your sternum.
The Trapezius Muscle as a Breathing Muscle. The trapezius is an accessory breathing muscle. This means that it helps open up the small amount of breathing room in the upper chest area. For back and neck pain management, it is best not to rely on the trapezius alone, as this will produce shallow breathing.