This document summarizes the muscles of the anterior abdominal wall, including the external abdominal oblique, internal abdominal oblique, transversus abdominis, and rectus abdominus muscles. It provides descriptions and diagrams of each muscle, their origins, insertions and actions. It also describes structures like the inguinal canal, rectus sheath, and superficial and deep inguinal rings.

1. Muscles of AnteriorMuscles of Anterior
Abdominal WallAbdominal Wall
1- Anterolateral group.
2- Anterior group.
Dr. Sherif Fahmy

2. Antero-lateral MusclesAntero-lateral Muscles
of Abdominal Wallof Abdominal Wall
1- External Abdominal1- External Abdominal
Oblique.Oblique.
2- Internal Abdominal2- Internal Abdominal
oblique.oblique.
3- Transversus abdominis.3- Transversus abdominis.
Dr. Sherif Fahmy

3. Dr. Sherif Fahmy

4. Dr. Sherif Fahmy

5. Dr. Sherif Fahmy

6. External AbdominalExternal Abdominal
Oblique MuscleOblique Muscle
(Page 9)(Page 9)

7. Dr. Sherif Fahmy

8. Dr. Sherif Fahmy

9. Outer
surfaces
of lower 8
ribs
Anterior ½
of iliac crest
Inguinal
ligament
Linea alba
Dr. Sherif Fahmy

10. Dr. Sherif Fahmy

11. Superficial (External)Superficial (External)
Inguinal RingInguinal Ring
(Page 38)(Page 38)

12. Dr. Sherif Fahmy

13. Inguinal (Poupart’s)Inguinal (Poupart’s)
LigamentLigament
(Page 35)(Page 35)

14. Dr. Sherif Fahmy

15. Dr. Sherif Fahmy

16. Pubic tubercle
.A.S.I.S
Pectineal lig
Dr. Sherif Fahmy

17. Borders of ExternalBorders of External
Oblique MuscleOblique Muscle

18. Upper horizontal
border
Lower border
Posterior
border
Anterior border

19. Iliac crest
Medial
border of
scapula
Lateral border of
trapezious m.
Upper border
of lat. dorsi
m
Auscultation
triangle
External oblique m.
Lumbar triangle
Dr. Sherif Fahmy

21. Internal AbdominalInternal Abdominal
Oblique MuscleOblique Muscle
(Page 11)(Page 11)

23. Inguinal
ligament
Iliac crest
Lumbar
fascia
Lower border of
lower 6 ribs
Linea alba
Conjoint
tendon

25. Transversus AbdominisTransversus Abdominis
MuscleMuscle

26. Lateral 1/3 of
inguinal lig.
Anterior 2/3 of
iliac crest
Lumbar
fascia
Inner surfaces of
lower 6 ribs and costal
cartilages
Linea alba
Conjoint tendon

27. Inguinal CanalInguinal Canal
(Page 37)(Page 37)

28. Deep
inguinal
ring
Inguinal canal
Superficial Ring

29. Floor

30. Roof & Anterior Wall

31. Posterior wall & Deep Ring

34. Rectus Abdominus MuscleRectus Abdominus Muscle
(Page 15)(Page 15)

36. Lateral head
Medial
head
Pyramidalis
m.
Tendinous
intersections

37. Rectus SheathRectus Sheath
(Page 17)(Page 17)

42. ContentsContents

45. Lateral head
Medial
head
Pyramidalis
m.
Tendinous
intersections