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Abdominal Muscles
Muscles of the abdomin
Term | Definition |
---|---|
M. Obliquus Externus Abdominis | Caudoventral Direction Origin: Fascia Thoracolumbales (Superficial) Ribs 4-12 Insertion: Linea Alba Lig. Inguinale Action: Support the organs |
M. Obliquus Internus Abdominis | Cranionventral Direction Origin: Tuber Coxae Fascia Thoracolumbale (Lamina Superficialis) Insertion: Arcus Costae Linea Alba Action: Supports the abdominal organs Splits into a Lamina Externa and Interna |
M. Transversus Abdominis | Dorsoventral Direction Origin: Fascia Thoracolumbales Processus transversus lumbales Insertion: Linea alba Action; Provides support for the organs |
M. Rectus Abdominis | Origin: Running cranially on the sternum Insertion: Multiple insertions Pectin Ossis Pubis Tendo Prepubicans Action: Supports the abdominal cavity, ventrally Runs almost superficial to most profound |
Movement of Rectus Abdominis in the body | Thoracic: Obliquus Externa/Rectus Abdominis Pre-Umbilical: Obl. Ext/Rec. Abd/Obliquus Int Abd/Trans Abd Umbilical: Obl. Ext./Obl. Int. (lam ext)/Rec. Abd./Obl Int (Lam Int)/Trans Abd. Post Umbilical: Obl. Ext./Obl. Int./Trans Abd/Rect Abd. |