Abdominal muscles External... - Bradley Blair Osteopath

External oblique muscle Origin: External aspects of the fifth to twelfth ribs. Insertion : Lateral lip of iliac crest, linea alba aponeurosis. Innervation: Anterior branches of thoracic nerves (T7-T12) Action: Bilateral contraction: Trunk flexion. Posterior pelvic tilt. Unilateral contraction: Lateral trunk flexion. Posterior pelvic tilt. Contralateral rotation of the trunk. Compresses the contents of the abdomen. #obliques #obliqueworkout #corestrength #coreexercises #anatomy #backstrength #str

The complex world of abdominal muscles brought to life 💪🎨 Dive into a mesmerizing journey as we explore each layer of these powerful muscles. 👀 It's not just about the six-pack; there's so much more beneath the surface! 🤓 👉 External obliques: The outermost layer, elegantly draping over the internals. 👉 Internal obliques: Above the transversus, splitting around the rectus. 👉 Rectus abdominis: The 'six-pack', weaving through the transversus. 👉 Transversus abdominis: The deep foundation. 🏋

CREMASTER MUSCLE is a muscle... - Institute of Human Anatomy