Рет қаралды 4,546
Rectus Abdominis: Paired strap-like muscles, separated at the midline by the linea alba.
Origin: Each muscle has two tendinous origins:
Medial head arising from anterior surface of pubis symphysis.
Larger lateral portion originating from upper border of pubic crest.
Insertion: Fifth, sixth & seventh costal cartilages.
Innervation: Lower six thoracic nerves.
Functions:
Primary: Flex spine, compress abdominal and pelvic cavities & stabilize core.
Secondary: Assist in respiration: Pull chest downward & depress lower ribs.
Training Terminology:
Upper Abs: Superior to umbilicus.
Lower Abs: Inferior to umbilicus.
Dr Donald A Ozello DC of Championship Chiropractic in Las Vegas, NV
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