Not everyoneâs ânormalâ body temperature is the same. Yours could be a whole degree different than someone elseâs. A German doctor in the 19 th century set the standard at 98.6 F, but more recent studies say the baseline for most people is closer to 98.2 F.
The pelvic floor muscles form the base of the group of muscles commonly called the âcoreâ. These muscles work with the deep abdominal (tummy) and back muscles and the diaphragm (breathing muscle) to support the spine and control the pressure inside the abdomen.
Explain the roles of chest wall muscles, diaphragm, chest wall skeleton, pleural cavities, pleura and lungs in breathing in and out. [Covered in Anatomy in detail] Diaphragm is the main muscle involved in breathing. Contraction of diaphragm pulls the domed centre down and increases height of pleural cavities.