In contrast, the lateral longitudinal arch is very low.
The two longitudinal arches serve as pillars for the transverse arch which run obliquely across the tarsometatarsal joints.
The longitudinal arches (those separating the nave from the aisles) are supported by semicolumns which form the pillars.
Of the longitudinal arches or rays of the hand, that of the thumb is the most mobile (and the least longitudinal).
In the MCP joints, they also indirectly provide stability to the longitudinal palmar arches of the hand.
For each finger there is also a longitudinal arch.
When weight bearing, the longitudinal arch of the foot drops, and the ankle rolls inward.
Most children are flat-footed until they are between the ages of 3 and 5 when their longitudinal arch develops normally.
In addition to the longitudinal arches the foot presents a series of transverse arches.
The longitudinal (medial) arch of the foot also may undergo physiological changes upon habitually training barefoot.