Efficacy of a Modified Obturator Nerve Block Technique

Efficacy of a modified obturator nerve block technique by using only a single morphological landmark, a double-blinded randomised pilot study.

Inclusion Criteria:

• American Society of Anesthesiologists 1-3, older than 18 y, cooperative patient

Exclusion Criteria:

• infection, neuromuscular deficits of the lower extremities,pregnancy, neurologic disease