Fig. 1
From: Inter-segmental motions of the foot: differences between younger and older healthy adult females
Marker placement of a 3D multi-segment foot model with 15-marker set. Ten markers were placed around the foot and ankle. a, b Anterior and lateral view of marker placement. c Hallux marker was placed in the middle of the hallux nail bed, 1st metatarsal marker on the dorsal metatarsal head just proximal to the 1st metatarsophalangeal joint, navicular marker on the most prominent point of the navicular, and two calcaneus markers were applied to the hindfoot [22]