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Preparing and Supporting Teachers for Equity and Racial Justice: Creating Culturally Relevant, Collective, Intergenerational, Co-Created Spaces
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Authentic Learning in a Middle School Classroom: A Case Study
Get PDFThe purpose of this case study is to explore and investigate how authentic learning is experienced in a middle school classroom within a K-12 public charter academy in the rural Midwestern United States. This was a qualitative case study, which allowed the researcher to observe the phenomenon of authentic learning as it unfolded in the classroom. The term authentic learning describes student-directed learning that involves real-life problem solving in unique contexts, over an extended period of time (Rule, 2006). The study follows a teacher’s journey through planning, implementing and reflecting on authentic learning and teaching. The case study also identifies responses from students’ experiences who participated in authentic learning, as well as the perspectives of the parents and their understanding of the learning that was occurring in their child’s classroom. The means by which the students and teacher co-construct learning are studied, along with the struggles, successes, and negotiations of implementing and maintaining an authentic model of education. Two significant benefits and one challenge of authentic learning were identified through this study. The interpretations established through this study will be used to guide further instructional practices at the middle level in this particular public charter academy
BIOMECHANICAL STUDY OF SEOI-NAGE IN JUDO - INFLUENCE OF ELBOW\u27S PAIN ON MOTION -
Get PDFThe aim of this study is to clarify Seoi-nage technique for reducing injuries in elbow joints. Uchikomi and Nagekomi were used as the trials. Two judo athletes with pain in elbow and three athletes without pain in elbow were instructed to perform the Seoi-nage as Tori. Strain gauge sensors were set in a judo cloth to measure the force applied by Tsurite (hand grasping the Eri). The results were observed as the follows: i) The athletes without pain applied a large force towards the throwing direction by the internal-rotation of shoulder. ii)In athlete with pain, the force direction was not towards throwing direction, but towards the left rotating side. The group without pain had an ideal movement of applyingSeoi-nage. On the other hand, thegroup with pain did not apply kuzushi, but generate force to throw the Uke by putting flexing the trunk with external-rotation position of the shoulder
ALTERING ENTRY ANGLES IN A JUMP LANDING TASK MODIFIES BIOMECHANICAL RISK FACTORS OF ACL INJURY
Get PDFThis study investigated the effects of changing the entry-angle of a jump landing movement on ACL injury risk factors. Eight female recreational athletes performed 21 trials of a jump landing task. The direction of the first jump varied from -90° to 90° from the anterior axis in 30-degree increments. As the entry angle increased to the left, peak knee flexion and valgus angles as well as external valgus moments remained the same. In conditions where participants jumped more to their right, knee flexion angles were smaller and knee external valgus moments were greater. It can be concluded that kinematic analyses of frontal plane motion alone may not provide sufficient information for risk assessment on the field, as it may not reflect parallel changes in kinetics. These results can be used to further understand ACL injury risk factors in asymmetric jumping conditions
PREDICTORS OF INTERNATIONAL SKI FEDERATION DISTANCE CROSS-COUNTRY RANKING
Get PDFThe Internationl Ski Federation (FIS) ranks Nordic skiers internationally based on race performance. This study aimed to determine if a relationship exists between FIS rankings and performance indicators such as maximum oxygen uptake, metabolic economy, and muscular endurance test performance. Muscular endurance (sit-up + pull-up and push-up + pull-up) were the best predictors utilizing stepwise regression resampling cross-validation (66 hold out groups). The sit-up + pull-up regression was a better fit than the push-up + pull-up (R2 = 0.506 & 0.349, p = 0.053 & 0.203, respectively). Muscular endurance test performance predicts FIS scores better than measures of oxygen consumption measures. Upper-body and core musculature may be an important determinant of performance, as it contributes to generation of propulsive forces in Nordic skiing
THE EFFECTS OF MIDSOLE CONSTRUCTION ON BOWLING DELIVERY
Get PDFThe purpose of this study was to examine the effects of midsole construction on the mechanics of bowling delivery. Twelve participants performed five candle bowling ball deliveries in three footwear conditions (barefoot, traditional and modified with E-TPU). Both kinematic and kinetic analyses were conducted. The results of the barefoot condition showed hip, knee and ankle joints at 92.3 ± 9.9°, 133.0 ± 14.5°, and 111.6 ± 11.2°, respectively, which were not significantly different from the modified condition of 93.9 ± 9.9° (p =.289) 132.1 ± 14.5° (p =.758), and 117.7 ± 9.4° (p =.123). Also, no significant difference was found in peak vertical force to body weight ratio. These findings provide a preliminary understanding on the effects of footwear on bowling delivery. Future studies are warranted to evaluate 3D motion analysis with experienced bowlers at the bowling alley