Platysma Pretracheal layer (pretracheal layer of cervical fascia) Pretracheal layer (pretracheal layer of cervical fascia) Brachial fascia Trapezius Sternocleidomastoid Investing layer (investing layer of cervical fascia) Investing layer (investing layer of cervical fascia) Deltoid fascia Pectoral fascia Rectus sheath, anterior layer, aponeurosis of external oblique of abdomen Superficial investing fascia External oblique of abdomen Serratus anterior Biceps brachii Pectoralis major Deltoid Spermatic cord Inguinal ligament External spermatic fascia Fascia lata Linea alba

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Platysma
  • Pretracheal layer (pretracheal layer of cervical fascia)
  • Brachial fascia
  • Trapezius
  • Sternocleidomastoid
  • Investing layer (investing layer of cervical fascia)
  • Deltoid fascia
  • Pectoral fascia
  • Rectus sheath, anterior layer, aponeurosis of external oblique of abdomen
  • Superficial investing fascia
  • External oblique of abdomen
  • Serratus anterior
  • Biceps brachii
  • Pectoralis major
  • Deltoid
  • Spermatic cord
  • Inguinal ligament
  • External spermatic fascia
  • Fascia lata
  • Linea alba
Coracobrachialis External oblique of abdomen External oblique of abdomen , transected Pectoralis major Biceps brachii Deltoid Serratus anterior External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane Subclavius Serratus anterior Serratus anterior Pectoralis minor Rectus abdominis Aponeurosis of internal oblique of abdomen anterior layer Internal oblique Rectus sheath, anterior layer, aponeurosis of external oblique of abdomen Inguinal ligament Inguinal ligament Linea alba

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Coracobrachialis
  • External oblique of abdomen
  • External oblique of abdomen , transected
  • Pectoralis major
  • Biceps brachii
  • Deltoid
  • Serratus anterior
  • External intercostal membrane
  • Subclavius
  • Pectoralis minor
  • Rectus abdominis
  • Aponeurosis of internal oblique of abdomen anterior layer
  • Internal oblique
  • Rectus sheath, anterior layer, aponeurosis of external oblique of abdomen
  • Inguinal ligament
  • Linea alba
Coracobrachialis External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane External intercostal membrane Rectus abdominis Serratus anterior Serratus anterior Subclavius Aponeurosis of internal oblique of abdomen, anterior layer Pectoralis minor Transversus abdominis Rectus abdominis Tendinous intersection of rectus abdominis Tendinous intersection of rectus abdominis Tendinous intersection of rectus abdominis Rectus sheath, anterior layer, aponeurosis of transversus abdominis (transected) Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen Serratus anterior Inguinal ligament Inguinal ligament Linea alba

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Coracobrachialis
  • External intercostal membrane
  • Rectus abdominis
  • Serratus anterior
  • Subclavius
  • Aponeurosis of internal oblique of abdomen, anterior layer
  • Pectoralis minor
  • Transversus abdominis
  • Tendinous intersection of rectus abdominis
  • Rectus sheath, anterior layer, aponeurosis of transversus abdominis (transected)
  • Internal intercostal muscle
  • External intercostal muscle
  • External oblique of abdomen, transected
  • External oblique of abdomen
  • Inguinal ligament
  • Linea alba
Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle Serratus anterior Rectus sheath, posterior layer, aponeurosis of transversus abdominis Rectus abdominis Rectus abdominis, transected Tendinous intersection of rectus abdominis External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected Transversus abdominis Transversus abdominis Tendinous intersection of rectus abdominis Tendinous intersection of rectus abdominis Tendinous intersection of rectus abdominis Rectus sheath, anterior layer, aponeurosis of transversus abdominis Rectus sheath, anterior layer, aponeurosis of transversus abdominis Linea alba Inguinal ligament Inguinal ligament

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Internal intercostal muscle
  • External intercostal muscle
  • Serratus anterior
  • Rectus sheath, posterior layer, aponeurosis of transversus abdominis
  • Rectus abdominis
  • Rectus abdominis, transected
  • Tendinous intersection of rectus abdominis
  • External oblique of abdomen, transected
  • Transversus abdominis
  • Rectus sheath, anterior layer, aponeurosis of transversus abdominis
  • Linea alba
  • Inguinal ligament
Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle Transversalis fascia Serratus anterior Rectus sheath, posterior layer, aponeurosis of transversus abdominis Transversus abdominis Rectus sheath, posterior layer, aponeurosis of transversus abdominis Arcuate line Transversus abdominis External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected Rectus abdominis, transected Tendinous intersection of rectus abdominis Pyramidalis Rectus sheath, anterior layer, aponeurosis of transversus abdominis Rectus sheath, anterior layer, aponeurosis of transversus abdominis Linea alba Inguinal ligament Inguinal ligament

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Internal intercostal muscle
  • External intercostal muscle
  • Transversalis fascia
  • Serratus anterior
  • Rectus sheath, posterior layer, aponeurosis of transversus abdominis
  • Transversus abdominis
  • Arcuate line
  • External oblique of abdomen, transected
  • Rectus abdominis, transected
  • Tendinous intersection of rectus abdominis
  • Pyramidalis
  • Rectus sheath, anterior layer, aponeurosis of transversus abdominis
  • Linea alba
  • Inguinal ligament
Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle Internal intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle External intercostal muscle Parietal peritoneum Transversus abdominis Transversalis fascia Arcuate line Rectus sheath, anterior layer, aponeurosis of transversus abdominis Transversalis fascia, transected External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected External oblique of abdomen, transected Transversus abdominis, transected Inguinal ligament Inguinal ligament Pyramidalis Linea alba

Stratigraphy: Muscles of the trunk - Frontal view

Main visible anatomical structures:
  • Internal intercostal muscle
  • External intercostal muscle
  • Parietal peritoneum
  • Transversus abdominis
  • Transversalis fascia
  • Arcuate line
  • Rectus sheath, anterior layer, aponeurosis of transversus abdominis
  • Transversalis fascia, transected
  • External oblique of abdomen, transected
  • Transversus abdominis, transected
  • Inguinal ligament
  • Pyramidalis
  • Linea alba
ABC