Origin: Ribs 5-12
Insertion: Anterior iliac crest and abdominal aponeurosis
Action: flexes vertebrae and compresses abdomen (when acting bilaterally), lateral flexion (when acting singly)
Joint/s Moved: vertebral joints
Bone of Origin: ribs
Bone of Insertion: coxal bone
Link: Get Body Smart
Click 16 & 15 on slide bar
Insertion: Anterior iliac crest and abdominal aponeurosis
Action: flexes vertebrae and compresses abdomen (when acting bilaterally), lateral flexion (when acting singly)
Joint/s Moved: vertebral joints
Bone of Origin: ribs
Bone of Insertion: coxal bone
Link: Get Body Smart
Click 16 & 15 on slide bar