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.
Triceps. A simple exercise that you can carry out at home is to move one hand behind the back while holding one handle of a chest expander. Hold the other handle with the other hand at the lower back and then try to extend the upper hand as far as you can.ectorals. When pulling a chest expander outwards, the pectorals (chest muscles) also benefit. To achieve the best results, hold this exercise equipment at the shoulder level and then pull it to the limit. This motion works the upper part of the chest creating chest flexion.