The sciatic nerve curves through the upper lateral corner of the lower medial quadrant and descends along the lateral margin of the lower medial quadrant. Injections can be carried out in the anterior corner of the upper lateral quadrant to avoid injury to the sciatic nerve and major vessels in the region (Fig. 6.129B).
Finding the femoral artery in the femoral triangle
The femoral artery passes into the femoral triangle (Fig. 6.130) of the lower limb from the abdomen.