Search PubMed⌕ Search

Biomedical subjects

D H Janda

Publications and source records attributed to D H Janda.

20 records · Page 2Linked to original sources

Goal post injuries in soccer. A laboratory and field testing analysis of a preventive intervention.

Soccer is the most popular team sport worldwide, with approximately 40 million amateur participants. Most fatalities in soccer are related to player impact with the goal post. This study focuses on two case reports, a laboratory testing phase, and a pilot field testing phase of preventive equipment that can be used around the goal to prevent injury. Horizontal and vertical impact testing in the laboratory revealed impact force was diminished when the goal post was covered with protective padding (reduction of 31% and 63%) (P < 0.05). These data showed a statistically significant decrease in force at all temperatures. In the pilot field testing phase of the study, 471 games were monitored. Soccer teams participating in youth, teen, and adult soccer leagues were included in this phase of the study. During the 3-year study, there were seven player collisions with padded goal posts, and no injuries were recorded. The use of padded goal posts within the game of soccer has been documented to reduce the possibility of injury, both in the laboratory phase and in the pilot field testing phase.

Athletic Injuries↗

Posterior instability of the glenohumeral joint. A technique of repair.

Seventeen patients underwent posterior capsulotendinous tensioning procedures to eliminate recurrent posterior glenohumeral instability. Fourteen patients were evaluated an average of 44 months (range, 18 to 98) after surgery. The average patient age was 27 years. Before surgery, all patients were unable to perform their activities of daily living, occupational activities, and athletic activities. Preoperatively, the average pain rating score on a visual analog scale was 5 of 10 at rest and 9 of 10 with activities. Six patients had previous anterior reconstructions. After surgery, the average range of motion was 174 degrees of forward elevation and 69 degrees of external rotation; internal rotation was to the thumb level of T-8. No patient had a recurrence of posterior instability. After surgery, the average pain rating score was 2 of 10 at rest and 4 of 10 with activities. All patients improved after their operations, but four patients were minimally disabled from activities of daily living; six patients experienced shoulder fatigue at work; and four patients had difficulty with sports activities. Overall, 13 of the 14 patients were satisfied with their surgical procedures and their outcomes.

Activities of Daily Living↗