They have bilateral springs

Dating roman fibula wiki

Many Tied Foot fibulae have

Many Tied Foot fibulae have long bilateral springs. Some of the fibula had a flat back indicating that they were likely cast in simple, open moulds. The Fantail fibula, which have a short bow that flares into a flat, wide fan-shaped foot, were common in Britain and on the European continent. It resembles a pair of spectacles or eye glasses. Roman-era Fibulae Legionnaire's fibulae.

Though the introduction of the hinge was later than the introduction of the spring, the spring remained in use long after the hinge was introduced. The foot is the end of the fibula where the pin closes. It extends past the lower end of the tibia and forms the outer part of the ankle providing stability to this joint. This surface gives origin to the peronaei longus and brevis.

The entire fibula looks like a trident. The shaft is supplied in its middle third by a large nutrient vessel from the fibular artery. In one later variation during this time, the Tutulus type, the circular disc plate was extended upwards to form a cone.

Many Knee fibulae have small rectangular, or larger semi-circular head plates. The lateral surface is the space between the antero-lateral and postero-lateral borders. The bow is flat and wide and has a rounded central ridge. One or two small plaques were cast on the back of the plate and a pin was attached to them by a small hinge. The bow could bend, or zig-zag from side to side while still remaining flat and parallel to the pin.

Some of the fibula