(Fig 4-B.02) Anatomy of the Multilayered Quadriceps Tendon/ Part 2

https://youtu.be/DERuWietE18

https://youtu.be/w63GyfUeIyw

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✅ Vastus Muscles and Oblique Fibers:

• The vastus medialis and vastus lateralis muscles have angled fibers called vastus medialis obliquus and vastus lateralis obliquus.
• These fibers attach to the sides of the patella, helping it stay on track during knee movements.
• The medial patellofemoral ligament (MPFL) is a band under the vastus medialis obliquus, stabilizing the patella.

 

✅ Complex Anatomy of Vastus Medialis:

• The vastus medialis muscle is more complex than it seems.
• It attaches to the patella and quadriceps tendon, and has significant insertions along the aponeurosis of the vastus intermedius muscle.
• This insertion has two parts: a strong front part and a weaker back part.
• Parts of the vastus intermedius muscle also attach to the patella.
• The vastus medialis consists of multiple muscle units at different angles, not just one uniform muscle.

 

✅ Tensor of Vastus Intermedius (TVI):

• The TVI is situated between the vastus lateralis and vastus intermedius.
• It starts as a muscle and then forms a broad, flat tendon that merges with the quadriceps tendon, attaching to the medial side of the patella.

 

RadioGraphics 2018; 38:2069–2101

Knee Surg Sports Traumatol Arthrosc. 2018 Mar;26(3):727-738

Magn Reson Imaging Clin N Am 22 (2014) 601–620

 

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#QuadricepsTendon, #KneeAnatomy, #VastusMedialis, #Patella, #MuscleFibers, #MedicalImaging, #KneeStabilization, #MuscleAnatomy, #Orthopedics, #SportsMedicine