Introduction to Terminology and Body Organization Best Study Guide

The three main axes of the body a) Frontal axis- It is the line of the body that moves from left to right via the center. Example somersaulting b) Sagittal axis- This is the line of the body that moves from front to the back via the center. Example when performing a cartwheel c) Vertical axis- This is a line that moves from the top to the bottom via the center of the body. Example a skater performing a spin Note; Studying on the above axes will make you understand the relationship between them as the movement of the body is facilitated via the center (Holmes, 2018). Skeletal System Location of the bones of the Skull a) Occipital bone- form the base of the skull b) Frontal bone- Form the forehead c) Sphenoid & ethnocide bone- form the orbital sockets and the nasal cavity of the body (Zhongyi, Sai, Chao, & Jiwei, 2015).They also offer protection of the most important organs of the skull Structural aspect of the vertebral bone and intervertebral disc ◻ Intervertebral discs It is made up of two discs; a) Annulus Fibrosus- it encompasses the nucleus pulposus b) Nucleus pulposus- This one contains an hydrated gel that prevents compression ◻ Vertebral bone It consists of thirty-three bones which are divided in to the following sections and are connected to each other by use of the intervertebral discs. (West, Mito, Kurosaka, Takumi, Tanegashima, Chujo, & Fox, 2016). a) Cervical bone- They are seven in number located on the neck b) Thoracic bones- They are articulated with the ribs and they are twelve in total. c) Lumbar vertebrae- They are located between the ribs and sacrum.