1. Ho B, Baumhauer J. Hallux rigidus. EFORT Open Rev. 2017;2(1):13–20.
2. Zammit GV, Menz HB, Munteanu SE. Structural factors associated with hallux limitus/rigidus: a systematic review of case control studies. J Orthop Sports Phys Ther. 2009;39(10):733–42.
3. Hanft JR, Mason ET, Landsman AS, Kashuk KB. A new radiographic classification for hallux limitus. J Foot Ankle Surg. 1993;32(4):397–404.
4. Davies-Colley M. Contraction of the first metatarsophalangeal joint of the great toe. Br Med J. 1887;1:728.
5. Bremner JM, Lawrence JS, Miall WE. Degenerative joint disease in a Jamaican rural population. Ann Rheum Dis. 1968;27(4):326–32.
6. Solomon L, Beighton P, Lawrence JS. Osteoarthrosis in a rural south African negro population. Ann Rheum Dis. 1976;35(3):274–8.
7. van Saase JL, van Romunde LK, Cats A, Vandenbroucke JP, Valkenburg HA. Epidemiology of osteoarthritis: Zoetermeer survey. Comparison of radiological osteoarthritis in a Dutch population with that in 10 other populations. Ann Rheum Dis. 1989;48(4):271–80.
8. Wilder FV, Barrett JP, Farina EJ. The association of radiographic foot osteoarthritis and radiographic osteoarthritis at other sites. Osteoarthr Cartil. 2005;13(3):211–5.
9. Nishimura A, Akeda K, Kato K, Asanuma K, Yamada T, Uchida A, et al. Osteoporosis, vertebral fractures and mortality in a Japanese rural community. Mod Rheumatol. 2014;24(5):840–3.
10. Nishimura A, Hasegawa M, Kato K, Yamada T, Uchida A, Sudo A. Risk factors for the incidence and progression of radiographic osteoarthritis of the knee among Japanese. Int Orthop. 2011;35(6):839–43.
11. Muraki S, Oka H, Akune T, Mabuchi A, En-yo Y, Yoshida M, et al. Prevalence of radiographic knee osteoarthritis and its association with knee pain in the elderly of Japanese population-based cohorts: the ROAD study. Osteoarthr Cartil. 2009;17(9):1137–43.
12. Varacallo MA, Fox EJ. Osteoporosis and its complications. Med Clin North Am. 2014;98(4):817–31 xii-xiii.
13. Kellgren JH, Lawrence JS. Radiological assessment of osteo-arthrosis. Ann Rheum Dis. 1957;16(4):494–502.
14. Saltzman CL, Brandser EA, Berbaum KS, DeGnore L, Holmes JR, Katcherian DA, et al. Reliability of standard foot radiographic measurements. Foot Ankle Int. 1994;15(12):661–5.
15. Hattrup SJ, Johnson KA. Subjective results of hallux rigidus following treatment with cheilectomy. Clin Orthop Relat Res. 1988;226:182–91.
16. Bonney G, Macnab I. Hallux valgus and hallux rigidus; a critical survey of operative results. J Bone Joint Surg (Br). 1952;34-b(3):366–85.
17. Bingold AC, Collins DH. Hallux rigidus. J Bone Joint Surg (Br). 1950;32-b(2): 214–22.
18. Sussman RE, Piccora R. The metatarsal sesamoid articulation and first metatarsophalangeal joint function. J Am Podiatr Med Assoc. 1985;75(6): 327–30.
19. Camasta CA. Hallux limitus and hallux rigidus. Clinical examination, radiographic findings, and natural history. Clin Podiatr Med Surg. 1996;13(3): 423–48.
20. Lundeen RO, Rose JM. Sliding oblique osteotomy for the treatment of hallux abducto valgus associated with functional hallux limitus. J Foot Ankle Surg. 2000;39(3):161–7.
21. Fuller EA. The windlass mechanism of the foot. A mechanical model to explain pathology. J Am Podiatr Med Assoc. 2000;90(1):35–46.
22. McMurray TP. Treatment of hallux valgus and rigidus. Br Med J. 1936; 2(3943):218–21.
23. Bryant A, Tinley P, Singer K. A comparison of radiographic measurements in normal, hallux valgus, and hallux limitus feet. J Foot Ankle Surg. 2000;39(1): 39–43.
24. Sim-Fook L, Hodgson AR. A comparison of foot forms among the non-shoe and shoe-wearing Chinese population. J Bone Joint Surg Am. 1958;40-a(5): 1058–62.
25. Nishimura A, Ito N, Nakazora S, Kato K, Ogura T, Sudo A. Does hallux valgus impair physical function? BMC Musculoskelet Disord. 2018;19(1):174.
26. Alahmari KA, Silvian PS, Reddy RS, Ahmad I, Kakaraparthi VN, Alam MM. Mediating role of body mass index in knee osteoarthritis. J Taibah Univ Med Sci. 2017;12(2):150–6.
27. Gilheany MF, Landorf KB, Robinson P. Hallux valgus and hallux rigidus: a comparison of impact on health-related quality of life in patients presenting to foot surgeons in Australia. J Foot Ankle Res. 2008;1(1):14.
28. Michelson JD, Janowski JW, Charlson MD. Quantitative relationship of first metatarsophalangeal head morphology to hallux rigidus and hallux valgus. Foot Ankle Surg. 2018;24(5):435–9.
29. Mertz DP. Hallux rigidus arthrosis and gout. Fortschr Med. 1982;100(11):446–8.
30. Schlesinger N, Thiele RG. The pathogenesis of bone erosions in gouty arthritis. Ann Rheum Dis. 2010;69(11):1907–12.