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Laboratory 35. Anterior Abdominal Wall
Step 14. Reflection of External Abdominal Oblique Muscle

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In the anterior axillary line, make a longitudinal incision through the external abdominal oblique muscle from the costal margin to the iliac crest (Figure 35.6). From the inferior end of this incision, make a second incision passing inferiiorly and anteriorly through the external abdominal oblique muscle and its aponeurosis. The incision should end at the upper border of the superficial inguinal ring . Reflect the cut portion of the external abdominal oblique muscle . Next, detach the external abdominal oblique muscle from the ribs , and reflect this portion of the muscle medially toward the linea semilunaris .

Links and References:
Grant's: 2.5
Netter: 234
Rohen/Yokochi: 201