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Posted on Dec 10, 2020, 7:18 pm
#1

As everyone knows, the ideal length for femur LL is 7 or 8 cm.

The 1 cm difference is important. but does 1 cm difference cause health problems in the long term?

(The situation changes for every person)


Thanks.

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Posted on Dec 12, 2020, 7:43 pm
#2

Quote from: short on December 10, 2020, 07:30:47 PMsoft tissue is the problem


Yes, that's a problem too, but that's not what I want to learn.

As the bone length changes, they have biomechanical effects. Movement restriction etc.

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Posted on Dec 13, 2020, 1:53 am
#3

Quote from: Michael J. Assayag, MD on December 12, 2020, 10:00:57 PMi don’t think anyone knows what the difference would be between 7 and 8 cm, 1 cm of additional length.

Common sense dictates it increases lever arm by 1cm.


Some doctors say there will be problems in terms of physical mobility after 7 cm for the femur.
(For example, long walking, crouching, knee angle etc.)

Some doctors say that 8 cm is not a problem.


It seems difficult to understand without trying  7 vs 8 cm LL for femur

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