Anatomical styloid of 5th metatarsal accommodation in frame contour

ORTHOSES REACTION FORCE GUIDE / FRAME MODIFICATIONS

Midfoot: 5th Button Out

Function:
Accommodates styloid

Clinical Indication:
Relieves styloid pain
Iselin disease
Jones fracture
Dancer’s fracture
Soft-tissue growth of styloid tuberosity
Styloid prominence

Anatomical styloid of 5th metatarsal accommodation in frame contour

About:
A 5th button out is a slight depression made into the superior lateral frame of an orthotic device. This button out makes an accommodation for a patient’s plantar and lateral styloid area.

Note: Enlarged 5th met bases require frame fillers to elevate the surrounding areas to balance the boney prominence.

*CLINICAL PEARL
Select the depth of button out depression corresponding to the anatomy of the prominent navicular bone.

Orthotic Lab Codes:
5B-1p5: 1.5mm 5th Button Out
5B-3p0: 3mm 5th Button Out
5B-4p5: 4.5mm 5th Button Out
5B-6p0: 6mm 5th Button Out
BU-3p0: 3mm Button Out
BU-AM: Button Out As Marked