Description: Segment 1 A male patient with a fracture of the os calcis is seen. X-rays of the injury before treatment are shown. A spinal anaesthetic is administered. The foot is massaged to reduce swelling. A pin is put through the ankle joint. Another pin is put through the achilles tendon. The leg is placed on a screw traction apparatus. Time start: 00:00:00:00 Time end: 00:04:26:09 Length: 00:04:26:09 Segment 2 Traction is exerted on the injury. Diagrams show the direction that the bones will be pulled in. The intertitles explain how the traction apparatus works. A demonstration is performed with a model. A plaster cast is applied and molded under the traction. The leg is placed on a leg splint, and the leg pin is removed. X-rays of before and after treatment are shown. The patient is shown three weeks later with a new cast that allows him to walk freely without the aid of a cane. Time start: 00:04:26:09 Time end: 00:09:30:01 Length: 00:05:03:17