- Midfoot Fatigue Fractures:
- fatigue frx are rare in midfoot (of these frx in
navicular are most common);
- radiographs & bone scan are necessary to make the diagnosis;
- treatment involves eliminating athletic activity until healing is complete, which often takes several months;
- Metatarsal Stress Frx:
- Stress Frx Ballet Dancers:
- common sites for stress frx include
second and third metatarsals,
sesamoids, and distal fibula;
- ballet dancers had most of pain in full en pointe position, where wt is concentrated on the first and second toes;
- 2nd & 3rd metatarsals, are relatively immobile when compared w/ 1st, 4th, and 5th metatarsal rays & are more prone to frx;
- frx also occur frequently in the
navicular;
Tarsal navicular stress fractures in runners.
Goergen TG, Venn-Watson EA, Rossman DJ, Resnick D, Gerber KH.
AJR 1981;136:201-203.
Stress fractures of the second metatarsal involving Lisfranc's joint in ballet dancers.
Micheli LJ, Sohn RS, Solomon R.
J Bone Joint Surg (Am) 1985;67-A:1372-1375.
Stress fractures of the second metatarsal involving Lisfranc's joint in ballet dancers. A new overuse injury of the foot.
Strain and loading of the second metatarsal during heel-lift.