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Orthopaedic

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Sports Medicine

Question
25 out of 26
 

LP: LT ratio (LP being length of patella and LT being the length of the tendon) less than 1.00 indicates.



A Malunited intercondylar fracture femur

B Pellegrini disease

C Chondromalacia patellae

D Patella alta

Ans. D

Patella alta

Insall Salvati ratio is PTL / PL (as shown in fig) or LT / LP.

Normal is 0.8 to 1.2. If it is more than 1.2 is called high riding patella alta.

Less than 0.8 is patella baja (Patella infra)

In question they have reverse this Insall Salvati ratio.

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