Long-leg weightbearing X-rays allowing measurement of the distance between the mechanical axis (yellow) and the anatomical axis (blue). Both lines should pass through the centre of the knee joint.
Alignment problems
Alignment problems may lead to bowing (varus deformity) or knock-knees (valgus deformity).
Synonyms:
limb alignment
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CLINICAL PUBLICATIONS
Reliability of lower limb alignment measures using an established landmark-based method with a customized computer software program. Sled EA, Sheehy LM, Felson DT, Costigan PA and Cooke TDV. Rheumatol Int. 2011 Jan; 31(1): 71–77.