popliteal fossa

1. POPLITEAL FOSSA
MAJ DR POONAM SINGH
DEPT OF ANATOMY
NAIHS

2. POPLITEAL FOSSA
• BOUNDARIES
• CONTENTS
• APPLIED ANATOMY

3. Subdivisions of lower limb

6. Boundaries

7. POPLITEAL FOSSA
• Diamond shaped space behind the knee
Boundaries :
• Above & Med :
Semimembranosus & Semitendinosus,
• Above & Lat : Biceps femoris
• Below & Med :
Med head of Gastrocnemius
• Below & Lat :
Lat head of Gastrocnemius with Plantaris

8. Boundaries of Popliteal Fossa

9. FLOOR

10. Floor of Popliteal Fossa –
surface view

11. Floor of Popliteal Fossa as seen in sagittal section

12. ROOF
Roof :
•Skin,
•Superficial fascia,
•Popliteal fascia , pierced by :
Short Saphenous vein,
Post cutaneous nerve of thigh
SF contains:-
•Short saphenous vein
•Post cut nerve of thigh
•Post div of medial cut nv
of thigh
•Sural communicating nv

13. Structures in roof of Popliteal Fossa

14. Contents :
• Popliteal vessels
• Tibial nerve
• Comn peroneal nerve
• Popliteal Lymph nodes
• Fat
• Termination of Short Saph Vn
• Genicular Br of Post Divn of
Obturator nerve
• Post cut nerve of thigh ( before it
becomes cutaneous)
• Sural communicating nerve
POPLITEAL FOSSA

15. CONTENTS

16. Contents of Popliteal Fossa

17. POPLITEAL VESSELS & TIBIAL NERVE
UPPER
LOWER
MIDDLE
LateralMedial

20. POPLITEAL FOSSA : Contents
Popliteal Artery :
• From Ad Hiatus to Lower Border of Popliteus
• Passes Dwn & lat along the floor
• Div into Ant & post tibial arteries

21. Popliteal Artery - Contd
Branches :
1. Cutaneous : Skin of back of leg
2. Muscular :
3. Articular : Five Genicular arteries
– Sup & Inf Med , Sup & Inf Lat,
Middle
Anastomosis around Knee
• Desc Br of Lat Cx Femoral, (SL)
• Desc genicular br of femoral (SM)
• Sup medial genicular &
Saphenous br of desc genicular
art (IM)
• Rec brs of Ant tibial , Cx Fibular
br of Post tibial (IL)

22. Branches of
Popliteal Artery

23. Branches of Popliteal Artery

24. POPLITEAL FOSSA : Contents
Popliteal Nodes :
• 6 in no
• Afferents : Superficial lymphatics acc SS Vein,
(Postero lateral aspect of leg & foot)
• From Knee joint
• Deep lymphatics acc Tibial vessels.
• Efferents : Acc Femoral vessels to Deep Inguinal
nodes

25. Popliteal Aneurysm

26. Baker’s cyst

28. Thank you