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PubMedDate not supplied

Unusual involvement of the feet in hemochromatosis.

The arthropathy of hemochromatosis mimics aspects of both rheumatoid arthritis and degenerative joint disease. The negative latex fixation, involvement of weightbearing and non-weightbearing joints, as well as the peculiar involvement of the second and third metacarpophalangeal joints serve to distinguish this rare arthropathy from other inflammatory and degenerative arthritides. The purpose of this paper is to present a case of hemochromatosis arthritis with unusual bilateral involvement of the naviculocuneiform and tarsometatarsal joints. Only two cases of hemochromatosis of the foot have been previously reported, and those had involvement limited to the first metatarsophalangeal joint.

Aged↗
PubMed1989

Kinematics of the ankle/foot complex--Part 2: Pronation and supination.

The influence of pronation and supination of the foot on the joints of the ankle/foot complex was analyzed three dimensionally by roetgen stereophotogrammetry in eight healthy volunteers. Radiopaque markers were introduced into the tibia, talus, calcaneus, navicular, medial cuneiform, and first metatarsal bones. The subjects stood on a platform that was tilted in 10 degree-steps from 20 degrees of pronation to 20 degrees of supination. Pairs of x-ray exposure were made in each position. Calculation of resulting joint deviations from the neutral position showed that the largest amounts of motion occurred in the talonavicular joint followed by the talocalcaneal joint, in the latter case mainly in supination. The joints proximal and distal to the medial cunriform also participated substantially in the total motion registered. The tibia showed an average of 0.2 degrees of external rotation for each degree of supination of the foot.

Ankle Joint↗
PubMed1996

Fracture of the entire posterior process of talus associated with subtalar dislocation: a case report.

This is a case report of a 52-year-old woman who sustained a medial subtalar dislocation with fracture of the posterior process of the talus in a traffic accident. After closed reduction of the subtalar dislocation, tomography demonstrated that the talus fracture involved the entire posterior process and the posterior portion of the talar body. The fracture of the talus was treated with an open reduction and miniscrew fixation. At follow-up examination 32 months later, the functional and radiographic results were graded as good. The proposed mechanism of this case was a forced plantarflexion and inversion acting simultaneously on the subtalar joint. This was different from an isolated medial subtalar dislocation, which was caused by an inversion.

Biomechanical Phenomena↗
PubMed1993

Reliability of open and closed kinetic chain subtalar joint neutral positions and navicular drop test.

Subtalar joint (STJ) measurements are commonly made in the clinic to assess foot and ankle positions because of the high incidence of lower extremity dysfunctions. The purposes of this study were to investigate the intratester and intertester reliability of the open kinetic chain subtalar joint neutral (OKC STJN) and closed kinetic chain subtalar joint neutral (CKC STJN) positions and the navicular drop test (NDT). Two inexperienced testers performed repeated measurements on 15 subjects (N = 30 feet) during two testing sessions. Intratester and intertester reliability (ICC 1,1) and standard error of measurement (SEM) were determined for each dependent variable. For OKC STJN, the intratester ICC values were .06 and .27, and the intertester ICC value was .00. The intratester SEM values were 1.81 and 2.29 degrees, and the intertester was 2.51 degrees. The CKC STJN intratester ICC values were .14 and .18, with SEM values of 2.46 and 2.40 degrees. The intertester CKC ICC value was .15, with an SEM of 2.43 degrees. For the NDT, the intratester ICC values were .61 and .79, and the SEM values were 1.92 mm and 2.57 mm. The intertester ICC value was .57 and the SEM was 2.72 mm. The results reveal that both OKC and CKC STJN yield poor intratester and intertester reliability and the NDT yields poor to moderate intratester reliability and poor intertester reliability. We conclude that these foot and ankle measurements are not reliable when performed by inexperienced testers. Therefore, clinicians should practice these measurement techniques and determine their measurement error.

Adult↗
PubMed2001

Site-specific techniques of joint injection. Useful additions to your treatment repertoire.

Joint and soft-tissue aspiration and injection procedures are relatively easy to master once the physician has acquired an understanding of the techniques and subtleties of performing these procedures at certain sites. These techniques can be used to diagnose and treat many painful joint and soft-tissue conditions and are useful additions to the primary care physician's treatment repertoire.

Anti-Inflammatory Agents↗
PubMed1987

Rheumatoid flatfoot.

Explore the source record for details and available documents.

Arthritis, Rheumatoid↗
PubMed1989

Open reduction of Lisfranc's dislocation.

Cases that are seen early often can be treated by closed reduction. It is believed that the injury in the case presented could have been treated by closed reduction if it had been recognized at the time of occurrence. This would have decreased the patient's long postoperative course. Hardcastle et al found that the postoperative results with the partial incongruity type Lisfranc dislocation were fair. Post-traumatic degenerative joint changes in the midfoot may occur and the patient should receive orthotic therapy.

Adult↗
PubMed2000

Hypermobility of the first ray.

Hypermobility of the first ray is one of the causative components in common foot problems (such as hallux valgus) with a large intermetatarsal angle and metatarsus primus varus. Although not always associated with hallux valgus, hypermobility is a predisposing factor for this deformity, especially in conjunction with extrinsic factors, such as disruption of the plantar first metatarsal cuneiform ligament and tendon-muscle imbalance. Hypermobility is also frequently found in adolescents with hallux valgus, especially when associated with a large intermetatarsal angle. Motion at the first metatarsocuneiform joint occurs in the sagittal and transverse planes. Most studies agree that greater than 4 degrees and greater than 8 degrees, respectively, constitutes excessive motion. Clinically, hypermobility is evaluated by determining sagittal motion (the grasping test) and transverse motion (the clinical squeeze test) and by identifying signs such as the presence of a dorsal bunion, intractable plantar keratosis beneath the second metatarsal head, and arthritis of the first and second metatarsocuneiform joint. Radiographically, hypermobility is evaluated by measurements from the modified Coleman block test (for sagittal motion) and the radiographic squeeze test (for transverse motion) and by the identification of signs, such as cortical hypertrophy along the medial border of the second metatarsal shaft, a cuneiform split, the presence of os intermetatarseum, and the round shape and increased medial slope of the first metatarsocuneiform joint. Usually, treatment for hypermobility of the first ray is operative, but surgery is contraindicated for patients less than 20 years of age (especially when the epiphysis is not closed) and for patients with generalized ligamentous laxity, short first metatarsal, and arthritis of the hallux MTP joint. The authors' surgical treatment of choice is arthrodesis of the tarsometatarsal joint (as part of the hallux valgus correction), exostectomy, capsulorraphy, and distal soft tissue release to correct and stabilize the first metatarsal at the apex of the deformity. The authors have found it unnecessary to include the base of the second metatarsal. The main complications associated with the Lapidus procedure and its modifications are nonunion, malunion, and dorsal elevation of the first metatarsal. Although radiographic nonunion is the most frequent complication, only 25% of the patients with this condition have associated clinical findings; the results have been defined as good or excellent in two series. These results closely equal those in rheumatoid or sedentary patients managed with newer, modified, less traumatic techniques that stabilize the first metatarsocuneiform joint with screws rather than with arthrodesis.

Arthrodesis↗
PubMed2003

The floating metatarsal. A rare traumatic injury.

The authors report a case of concomitant plantar Lisfranc dislocation and plantar metatarsophalangeal dislocation of the hallux. This is the second case of floating metatarsal described in the literature. When examining patients with Lisfranc joint injuries, one should explore carefully the metatarsophalangeal joints. It is also imperative to adapt the order of reductions to the presumed tension on the plantar fascia. Open reduction on the proximal side and closed reduction on the distal side, in addition to internal fixation proximally and distally, gave good results in this case.

Adult↗