Purpose: The objective of this study was to assess physical therapy student perceptions of team-based learning (TBL) in a graduate level gross anatomy course using the TBL Student Assessment Instrument (TBL-SAI).Methods:The TBL-SAI was administered to 85 doctor of physical therapy (DPT) students, comprising three cohorts (classes of 2013, 2014, and 2015), who successfully completed a gross anatomy course where TBL was implemented. The TBL-SAI surveys 33 items, each rated from one (strongly disagree) to five (strongly agree) and measures three subscales: students’ perceptions of accountability, preference for lecture or TBL, and student satisfaction.Results:The means for each subscale and the total TBL-SAI score for each cohort fell above the neutral score. The 2015 group (mean, 37.97; 95% confidence interval [CI], 35.67 to 40.26) reported significantly higher satisfaction than that of the 2013 group (mean, 32.71; 95% CI, 30.31 to 35.05) and the 2014 group (mean, 33.11; 95% CI, 30.69 to 35.53). The 2015 group (mean, 125.3; 95% CI, 120.6 to 130.3) also had a significantly higher total score than that of the 2013 group (mean, 115.6; 95% CI, 110.5 to 120.5).Conclusion:The physical therapy students reported an overall positive experience in using TBL to learn gross anatomy in terms of accountability, preference for learning mode, and satisfaction. This positive experience with TBL was accompanied by their successful academic performance. Given the traits and learning preferences in this generation of graduate students, TBL could be a teaching method that is received positively elsewhere and results in successful academic performance and learning.
We studied glenohumeral rotational range of motion in 39 members of the United States Tennis Association National Tennis Team and touring professional program. We took goniometric measurements of internal and external rotation of dominant and nondominant shoulders at the glenohumeral joint with the humerus at 90 degrees of abduction. We categorized the tennis players by age and by years of tournament play. Results were analyzed by total rotation, internal rotation, external rotation, and dominant-to-nondominant shoulder differences. In our results, dominant internal rotation of the shoulder declined and the difference between dominant and nondominant internal rotation increased with both age and years of tournament play. Men and women tennis players showed the same degree of deficits in range of motion. Significant analysis of variance statistics were calculated for dominant internal rotation with years of total play, dominant total rotation with years of total play, and nondominant total rotation with age. Moderate negative correlations were found between dominant internal rotation and years of total play and dominant total rotation and years of total play. These results indicate a loss of internal rotation that seems progressive with longer periods of play. This loss of internal rotation of the shoulder is an absolute loss of motion because total rotation also decreases. Early detection and a corrective training program should be considered because adaptations may result in deleterious biomechanics affecting both performance and risk of injury.
Nerve injury in the hindlimb of the cat results in locomotor changes, yet these findings have not been explored in a more multifunctional forelimb. Kinematics and muscle activity of the shoulder and elbow during level and upslope locomotion following reinnervation of the feline long head of the triceps brachii (TLo) were evaluated (1) during paralysis [none to minimum motor activity (short-term effects)] and (2) after the motor function was recovered but the proprioceptive feedback was permanently disrupted (long-term effects). The step cycle was examined in three walking conditions: level (0%), 25% grade (14° upslope) and 50% grade (26.6° upslope). Measurements were taken prior to and at three time points (2 weeks, 1 month and 12+ months) after transecting and suturing the radial nerve of TLo. There was less of a yield (increased flexion) at the elbow joint and more extensor activity during elbow flexion during stance (E2) as the grade of walking increased. Substantial short-term effects were observed at the elbow joint (increased flexion during E2) as well as increased motor activity by the synergistic elbow extensors, and greater shoulder extension at paw contact, leading to altered interjoint coordination during stance. Forelimb shoulder and elbow kinematics during level and upslope locomotion progressed back to baseline at 12 months. The short-term effects can be explained by both mechanical and neural factors that are altered by the functional elimination of the TLo. Full recovery of the forelimb kinematics during level and upslope walking suggests that the proprioceptive length feedback loss is compensated by other sensory sources or altered central drive.
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