Block Level
Motor Effects
Sensory Effects
Suprainguinal
Block of hip flexion (iliacus, psoas, pectineus).
Reduced sensitivity in the anterior thigh.
Inguinal (Triangle)
Reduction in leg extension; partial impairment of hip flexion.
Reduced sensitivity in the anterior thigh and medial leg.
Infrainguinal
Reduction in leg extension; preservation of hip flexion.
Loss of sensitivity in the medial leg.
Hunter’s Canal
Full preservation of hip flexion and leg extension.
Loss of sensitivity in the medial leg and foot.