Total Hip Replacement after severe osteoarthritis
Age at tests 63

Key Signs:
For this patient situation the interest is in documenting post-operative functional improve-ment. The task results especially those for the barriers test indicate very this well (see traces below with equal scales) as the excessive roll is reduced post-operatively and the time to complete the task is less. Other tasks that can be used to illustrate the functional improvement of the patient are the get-up-and-go task (increased trunk flexion during getting up, de-creased trunk roll during walking should be seen post-operatively). Though roll angle devia-tions are reduced for the barriers and stairs tasks post-operatively, these still remain in upper percentile of normal, suggesting that rehabilitation should pay careful attention to a falling tendency. Stance on 2 legs is very stable in these patients, especially in the roll direction when standing on foam, indicating that these patients may be standing stiffer than normal. than normal.


Pre-operative result, Standing on two legs, eyes closed

Roll, pitch angle plot Roll velocity range plot


Post-operative result, Standing on two legs, eyes closed

Roll, pitch angle plot Roll velocity range plot
 
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15.11.2012