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Fitness Theory

Chapter 8

Core "Power house"; literally used in everything in life; can be described as the link between the upper and lower body.
Rectus Abdominis "Six pack"; two think, long muscles run vertically down the front of the body and are attached form the sternum to the pelvis. Allow body to bend forward and stabilize the upper body when caring a heavy load. Helps w/ breathing when exhaling forcefully
Obliques The largest muscles that run diagonally downward and inward on the front of the body, forming a V-shpe. Move the torso side to side, allow russian twist., allow body to bend and rotate side to side and support spine during movement
Erector Spinae Run along the spine and work with ab muscles to support upper body and keep the spine erect when sitting, running, stating, super strong, stronger=better posture and spine.
Transversus Abdominis Underneath rectus, deeper layer that stabilizes lower back, protects vital organs, first muscle to be activated in core exercise, smaller than others, similar to a corset.
Pelvic Floor Lies under the pelvis and acts as a hammock that supports the bladder and other organs.
Diaphragm Dome shaped core muscles that separates the chest form the ab cavity and main respiratory muscle. Contracts when you inhale, breath out relaxes
Factors that Affect the Core Occupation, different activities and sports, prolonged sitting, general fitness level
Benefits of a Strong Core Balance, stability, job, daily living, less back pain, posture, reduces risk of injury.
Five Components Motor control, function, strength, endurance, flexibility (how to stretch core)
Created by: jae_moore