Progressive structural deformities of the forefoot that respond well to early conservative management — custom orthotics can slow progression and relieve pain without surgery.
A bunion — medically termed hallux valgus — is a progressive structural deformity in which the first metatarsal deviates medially while the great toe angles toward the second toe, creating a prominent bony medial eminence at the first metatarsophalangeal (MTP) joint. The deformity is not simply a bony growth but a complex three-dimensional malalignment of the first ray, involving the joint, surrounding soft tissue, and the sesamoid apparatus. Over time, the cartilage within the first MTP joint may deteriorate, leading to hallux rigidus (stiffness and arthritis of the great toe joint).
Hammertoes most commonly develop as a secondary consequence of hallux valgus — the laterally deviated great toe crowds the lesser toes, buckling the second and sometimes third toe into a flexed position at the proximal interphalangeal (PIP) joint. They may also arise independently from intrinsic muscle imbalance, long second metatarsals, ill-fitting footwear, or systemic conditions such as rheumatoid arthritis. Early flexible hammertoes are amenable to conservative care; longstanding rigid contractures may require surgical correction.
Both conditions are biomechanically driven. Excessive pronation hypermobilizes the first ray, reducing its ability to bear load effectively and promoting lateral drift of the hallux. This is why properly designed functional orthotics — devices that support the first ray and control pronation — are a cornerstone of conservative management and can demonstrably slow the rate of bunion progression, even when they cannot reverse an established deformity.
Bunions and hammertoes present with a recognizable constellation of symptoms that tend to worsen gradually over time. Early recognition allows for more conservative intervention.
Both conditions have a strong biomechanical basis, with hereditary foot structure and abnormal pronation playing central roles alongside external factors like footwear.[4]
Dr. Santopietro's approach centers on slowing deformity progression, relieving pain, and avoiding surgery wherever possible through targeted biomechanical intervention.
Other conditions in this category that Dr. Santopietro regularly evaluates and treats.
The medical term for a bunion. Hallux valgus describes the lateral angular deviation of the great toe at the first metatarsophalangeal joint, with the associated medial bony prominence. The term is used throughout clinical and research literature and is the diagnosis you will see on referral letters, imaging reports, and surgical notes.
Degenerative arthritis of the first metatarsophalangeal joint causing progressive stiffness and loss of dorsiflexion at the big toe. Distinct from hallux valgus: the toe does not deviate laterally, but joint space narrows, osteophytes form, and push-off becomes painful and restricted. Conservative management includes stiff-soled footwear, rocker-bottom modifications, and orthotic support to reduce joint stress during gait.
Osteoarthritis affecting the midfoot joints (Lisfranc complex, naviculocuneiform), the ankle joint, or the lesser metatarsophalangeal joints. Presents with activity-related pain, stiffness, bony enlargement, and progressive functional limitation. Custom orthotics with appropriate cushioning and offloading can significantly reduce symptoms and extend the conservative management phase before surgical options are considered.
A flexion contracture of the lesser toe(s) — most commonly the second — at the proximal interphalangeal joint, producing a characteristic upward buckling deformity. Hammertoes cause dorsal skin irritation from shoe friction, painful corns, and altered forefoot loading. Early flexible hammertoes respond to accommodative padding, toe splints, and footwear modification; longstanding rigid contractures may require surgical correction.
Early conservative care — including custom orthotics — can slow deformity progression and keep you comfortable for years. Don't wait until surgery is the only option.