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Rectus Abdominis Muscle

image descriptionRectus Abdominis Muscle

Rectus Abdominis muscle with labels: Deltoid, latissimus dorsi, external oblique, biceps brachii, abdominal aponeurosis, pectoralis major, serratus anterior
Rectus Abdominis muscle with labels: Pectoralis minor, latissimus dorsi, external oblique, biceps brachii, abdominal aponeurosis, , serratus anterior, Linea alba muscle with labels: Pectoralis minor, latissimus dorsi, external oblique, biceps brachii, abdominal aponeurosis, , serratus anterior, Linea alba
Rectus Abdominis muscle with labels: External intercostals, internal intercostals, serratus anterior, external oblique, linea alba, rectus abdominis
Rectus Abdominis muscle with labels: external oblique, rectus abdominis, internal oblique, abdominal aponeurosis
Rectus Abdominis muscle with labels: external oblique, rectus abdominis, internal oblique, transversus abdominis, abdominal aponeurosis
Rectus Abdominis with label
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image descriptionAttachments of Rectus Abdominis Muscle: Origin & Insertion

Origin: (proximal attachments)
a. Pubic crest and symphysis pubis.

Insertion: (distal attachments)
a. Costal cartilages of ribs 5-7; xiphoid process of sternum.

Rectus Abdominis with label
Rectus Abdominis Insertion and Origin Labeled
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Actions of the abdomen:

image descriptiona. Flexes vertebral column (torso).

First image in animation of a figure with a flexed vertebral column
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Fourth image in animation of a figure with a flexed vertebral column
image descriptionb. Compresses abdomen.
First image in animation of a figure with compressed abdomen
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Fifth image in animation of a figure with compressed abdomen

Innervation of Rectus Abdominis Muscle:

  • 7-12 intercostal nerves.

An Overview of the Rectus Abdominis Muscle

Test yourself on rectus abdominis muscle with answers hidden
Test yourself on rectus abdominis muscle with answers shown:Deltoid, pectoralis major, latissimis dorsi, serratus anterior, biceps brachii, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown:Pectoralis major, latissimis dorsi, serratus anterior, biceps brachii, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown:Pectoralis minor, latissimis dorsi, serratus anterior, biceps brachii, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown: :External intercostals, internal intercostals, serratus anterior, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown:External intercostals, internal intercostals, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown: Internal intercostals, external oblique, linea alba, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown: external oblique, internal oblique, rectus abdominis, abdominal aponeurosis
Test yourself on rectus abdominis muscle with answers shown: external oblique, internal oblique, rectus abdominis, abdominal aponeurosis, transversus abdominis
rectus abdominis muscle with labels: Insertion and Origin
Test yourself while observing the Rectus Abdominis Muscle anatomy
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