Longitudinal studies published between 1980 and 2001 (N = 10) are reviewed for evidence that the religiosity of adolescents is causally related to their sexual behaviors. Results indicate that religiosity delays the sexual debut of adolescent females. Findings are mixed for adolescent males. Although only half of the studies examined the effects of race and ethnicity, results of these studies reported similar effects for White and Black adolescents. These findings are discussed in light of their implications for researchers, educators, policy makers, and others concerned with adolescent sexual health and wellbeing.

Recent reviews suggest that religiosity is associated with the delay of adolescent coital debut (Rostosky, Wilcox, Wright, Randall, in press; Wilcox, Rostosky, Randall, Wright, 2001). Few studies, however, have examined this association using longitudinal data to test theoretically driven models. We analyzed data from 3,691 adolescents (ages 15-21), testing the hypothesis that adolescent religiosity and sex attitudes (at Wave 1) predict later coital debut (at Wave 2) and that these predictive relationships vary by gender. Findings indicated that beyond demographic factors and number of romantic partners, religiosity reduced the likelihood of coital debut for both males and females. After accounting for the effects of religiosity, anticipation of negative emotions after coital debut (sex attitude factor 1) further reduced its likelihood for females and males. Finally, adolescent girls - but not boys - who anticipated positive emotions following sexual intercourse (sex attitude factor 2) were more likely to debut. While virginity pledge status was associated with coital debut for boys and girls, more conservative beliefs about sex appeared to mediate its effect. Finally, a significant interaction between race and religiosity indicated that African American adolescent males who had either signed a virginity pledge or were more religious were significantly more likely to debut than both White non-Hispanic males and African American males who were less religious and/or who had not signed a pledge. The implications of these results for adolescent pregnancy prevention programming are discussed.

The final products represent the consensus of a group of expert spine surgeons. The checklist includes the most important and high-yield items to consider when responding to IONM changes in patients with a stable spine, whereas the IONM guideline represents the group consensus on items that should be considered best practice among IONM teams with the appropriate resources.

Background: Patellar tendinopathy is an overuse injury of the patellar tendon frequently affecting athletes involved in jumping sports. The tendinopathy may progress to partial patellar tendon tears (PPTTs). Current classifications of patellar tendinopathy are based on symptoms and do not provide satisfactory evidence-based treatment guidelines. Purpose: To define the relationship between PPTT characteristics and treatment guidelines, as well as to develop a magnetic resonance imaging (MRI)–based classification system for partial patellar tendon injuries. Study Design: Cohort study (prognosis); Level of evidence, 2. Methods: MRI characteristics and clinical treatment outcomes were retrospectively reviewed for 85 patients with patellar tendinopathy, as well as 86 physically active control participants who underwent MRI of the knee for other conditions. A total of 56 patients had a PPTT and underwent further evaluation for tear size and location. The relationship between tear characteristics and clinical outcome was defined with use of statistical comparisons and univariate and logistic regression models. Results: Of the 85 patients, 56 had partial-thickness patellar tendon tears. Of these tears, 91% involved the posterior and posteromedial regions of the proximal tendon. On axial MRI views, patients with a partial tear had a mean tendon thickness of 10 mm, as compared with 6.2 mm for those without ( P < .001). Eleven patients underwent surgery for their partial-thickness tear. All of these patients had a tear >50% of tendon thickness (median thickness of tear, 10.3 mm) on axial views. Logistic regression showed that tendon thickness >8.8 mm correlated with the presence of a partial tear, while tendon thickness >11.45 mm and tear thickness >55.7% predicted surgical management. Conclusion: Partial-thickness tears are located posterior or posteromedially in the proximal patellar tendon. The most sensitive predictor for detecting the presence of a partial tear was patellar tendon thickness, in which thickness >8.8 mm was strongly correlated with a tear of the tendon. Tracking thickness changes on axial MRI may predict the effectiveness of nonoperative therapy: athletes with patellar tendon thickness >11.5 mm and/or >50% tear thickness on axial MRI were less likely to improve with nonoperative treatment. A novel proposed classification system for partial tears, the Popkin-Golman classification, can be used to guide treatment decisions for these patients.

The modified Waldenström classification system for staging of Legg-Calvé-Perthes disease demonstrated substantial to almost perfect agreement between and within observers across multiple rounds of study. In doing so, the results of this study provide a foundation for future validation studies, in which the classification stage will be associated with clinical outcomes.