First metatarsophalangeal joint range of motion is associated with lower limb kinematics in individuals with first metatarsophalangeal joint osteoarthritis

Table 1 Participant characteristics. Values are mean (SD) unless otherwise noted

Demographics and anthropometrics
Age – years	57.8 (10.5)
Female – n (%)	24 (50)
Height – cm	168.1 (8.3)
Weight – kg	80.0 (14.2)
Body mass index – kg/m²	28.4 (4.6)
Clinical features
Passive NWB 1st MTP joint maximum dorsiflexion – mean (SD) [range], degrees^a	45.1 (10.7) [17–62]
Pain duration – median [range], months	48.0 [6–432]
Pain on palpation – n (%)	48 (100)
Palpable dorsal exostosis – n (%)	48 (100)
Pain on motion of 1st MTP joint – n (%)	35 (72.9)
Hard-end feel when dorsiflexed – n (%)	44 (91.7)
Crepitus – n (%)	16 (33.3)
Radiographic features – n (%)^b
Dorsal osteophytes	44 (91.7)
Dorsal joint space narrowing	43 (89.6)
Lateral osteophytes	44 (91.7)
Lateral joint space narrowing	44 (91.7)
Radiographic 1st MTP joint OA^c	42 (87.5)

^adata non-normally distributed
^bscore > 0 using La Trobe Radiographic Atlas [13]
^cat least one score of 2 for osteophytes or joint space narrowing from either view, using case definition from La Trobe Radiographic Atlas [13]

ISSN: 1757-1146