Table 2. Measurement variables to verify the reliability and validity using anatomical landmark points

Measure variables	First landmark point	Second landmark point
Navicular tuberosity height	Navicular tuberosity	Sole surface level
Medial malleolus height	Medial malleolus center	Sole surface level
Lateral malleolus height	Lateral malleolus center	Sole surface level
1st MTPJ frontal length	1st MTPJ medial border	Most distal end of phalanx
5th MTPJ frontal length	5th MTPJ lateral border	Most distal end of phalanx
Foot length	Calcaneal tuberosity center	Most distal end of phalanx
1st MTPJ length	1st MTPJ medial border	Calcaneal tuberosity center
5th MTPJ length	5th MTPJ lateral border	Calcaneal tuberosity center
Metatarsal length	1st MTPJ medial border	5th MTPJ lateral border
Foot breadth length	1st MTPJ medial border	5th MTPJ lateral border

Abbreviation: MTPJ, metatarsophalangeal joint.