Posterior view of the superficial muscles of the back; trapezius muscle is reflected on the left.

Muscles of gluteal region and posterior aspect of thigh - II, posterior view. B. Intragluteal injection. Injections can be made safely only into the superolateral part of the buttock, avoiding injury to the sciatic and gluteal nerves.

Posterior view of the cutaneous nerves of the back and first two muscle layers with trapezius muscle severed and reflected on the left.

Lateral aspect of thigh, lateral views. A. Lateral aspect of thigh.

Glutei. Gluteus maximus. A. Posterolateral view.