The image below left is the probable position in which the feet where nailed. The image below right is an X-ray showing the probable position of the nail, between the 2nd and 3rd Metatarsal spaces.

The image below left shows the blood red colouration on the Shroud where the feet were positioned. The image below right shows the same area photographed, with the blood as a photo-negative white colouration.

A soldier then bent Jesus' knees and held the right foot over the Stipes Crucis. Another soldier hammered a nail just enough to penetrate the skin of Jesus' left foot. Jesus' left foot was then placed over His right foot. The nail was then hammered in so that both feet were fastened by one nail to the Stipes Crucis.

The Romans used thick nails with large heads for Crucifixion. The nails were approximately 1/3 inch thick, and about 9 inches long. They were thick so that they could support the weight of a human body. They had a large head to keep prevent the wrists from tearing off the nail.

The Roman soldiers pierced the feet with the nails through the second intermetatarsal spaces. Again NO bones were broken. Gravity will naturally pull the body downwards, so that a nail in the foot will not tear out. The dorsalis pedis artery would be severed, causing severe haemorrhage of blood. The whole body weight was suspended on the nail in the feet. This caused continuous agony for Jesus Christ.

The dorsal image on the Shroud shows the Right foot more clearly than the Left. Both feet are turned inward. This means that the Left foot was on top of the Right, and only one nail was used to fasten both feet. When Jesus died, the body stiffened on the Cross. This position was preserved in Rigor Mortis after they took Jesus down and covered him with the Shroud.