Medial meniscus injury. Function of menisci. Acts as the shock absorber Helps the knee in locking mechanism Assists and controls gliding and rolling motion of the knee Contributes towards the stability of the knee joint Weight transmission. Medial meniscus injury .
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- because it is smaller in diameter , thicker in periphery , wide , more mobile and attached to both cruciate ligament.
Shape - semicircular
Anterior horn - attached to tibial intercondylar eminence in front ACL
Posterior horn – intercondylar area in front of PCL and behind posterior horn of lateral meniscuc
Mobility - less mobile
- attached to tibial
intercondylar eminence lateral to ACL
To the intercondylar eminence
Diagram of meniscal tear patterns: (A) Vertical or longitudinal (Bucket-handle), (B) Flap or Oblique, (C) Radial or Transverse, (D) Horizontal, (E) Complex degenerative
Figure 5. The McMurray test Is performed by flexing the patient's hip and knee and palpating for a pop or click along the joint line as the tibia is internally and externally rotated
Apley`s distraction test
Apley`s compression test
Figure 4. The Steinman test produces joint line pain when the tibia is rotated internally and externally while the knee is flexed over the examination table