{"id":{"repo_id":"gsu","oai_identifier":"oai:digitalcommons.georgiasouthern.edu:etd-1071"},"canonical_url":"https://search.dev.ndltd.org/etd/gsu/oai:digitalcommons.georgiasouthern.edu:etd-1071","repository":{"repo_id":"gsu","name":"Georgia Southern University","base_url":"https://digitalcommons.georgiasouthern.edu/do/oai/"},"display":{"title":"Biomechanical Sex Differences Between Freshman and Sophomore Athletes in a Single-Leg Squat and Single-Leg Land","abstract":"The purpose of this study was to investigate sex differences in single-leg squat kinematics and single-leg landing kinetics between freshman and sophomore athletes. Single-leg squat results revealed women had greater peak knee lateral rotation displacement, but no difference in total angular distances. Freshman and sophomore women were similar for peak angles and angular distances. Multivariate analysis of peak net joint moments normalized to body mass identified differences between men and women with separating variables being hip extension, hip medial rotation and knee lateral rotation moments. All three variables were greater in men. Subgroups were separated by hip medial rotation, with freshmen men being greater than freshman and sophomore women. There were no sex differences for moments normalized to momentum at ground contact. The separating variable between subgroups was ankle extension with freshman women being greater than both freshman men and sophomore women.","abstract_html":"The purpose of this study was to investigate sex differences in single-leg squat kinematics and single-leg landing kinetics between freshman and sophomore athletes. Single-leg squat results revealed women had greater peak knee lateral rotation displacement, but no difference in total angular distances. Freshman and sophomore women were similar for peak angles and angular distances. Multivariate analysis of peak net joint moments normalized to body mass identified differences between men and women with separating variables being hip extension, hip medial rotation and knee lateral rotation moments. All three variables were greater in men. Subgroups were separated by hip medial rotation, with freshmen men being greater than freshman and sophomore women. There were no sex differences for moments normalized to momentum at ground contact. The separating variable between subgroups was ankle extension with freshman women being greater than both freshman men and sophomore women.","abstract_has_math":false,"creators":["Walls, Caren Mae"],"institution":null,"degree_name":"Master of Science in Kinesiology (M.S.)","degree_level":"Thesis (open access)","degree_discipline":"Department of Health and Kinesiology","degree_department":null,"school":null,"contributors":["Barry Joyner","Barry Munkasy"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2006,"date_issued":"2006-05-01T07:00:00Z","date_published":"2006-05-01T07:00:00Z","updated_at":"2026-07-24T02:26:17Z","subjects":["ETD","Anterior cruciate ligament","Sex differences","Kinetics","Exercise"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.georgiasouthern.edu/etd/71","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Barry Joyner","Barry Munkasy"]},{"key":"dc:creator","label":"Author","values":["Walls, Caren Mae"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2013-10-17T07:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Department of Health and Kinesiology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis (open access)"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science in Kinesiology (M.S.)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ETD","Anterior cruciate ligament","Sex differences","Kinetics","Exercise"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalcommons.georgiasouthern.edu/etd/71"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The purpose of this study was to investigate sex differences in single-leg squat kinematics and single-leg landing kinetics between freshman and sophomore athletes. Single-leg squat results revealed women had greater peak knee lateral rotation displacement, but no difference in total angular distances. Freshman and sophomore women were similar for peak angles and angular distances. Multivariate analysis of peak net joint moments normalized to body mass identified differences between men and women with separating variables being hip extension, hip medial rotation and knee lateral rotation moments. All three variables were greater in men. Subgroups were separated by hip medial rotation, with freshmen men being greater than freshman and sophomore women. There were no sex differences for moments normalized to momentum at ground contact. The separating variable between subgroups was ankle extension with freshman women being greater than both freshman men and sophomore women."]},{"key":"dc:title","label":"Title","values":["Biomechanical Sex Differences Between Freshman and Sophomore Athletes in a Single-Leg Squat and Single-Leg Land"]}]}],"canonical_facts":{"dc:contributor":["Barry Joyner","Barry Munkasy"],"dc:creator":["Walls, Caren Mae"],"dc:date.available":["2013-10-17T07:00:00Z"],"dc:description.abstract":["The purpose of this study was to investigate sex differences in single-leg squat kinematics and single-leg landing kinetics between freshman and sophomore athletes. Single-leg squat results revealed women had greater peak knee lateral rotation displacement, but no difference in total angular distances. Freshman and sophomore women were similar for peak angles and angular distances. Multivariate analysis of peak net joint moments normalized to body mass identified differences between men and women with separating variables being hip extension, hip medial rotation and knee lateral rotation moments. All three variables were greater in men. Subgroups were separated by hip medial rotation, with freshmen men being greater than freshman and sophomore women. There were no sex differences for moments normalized to momentum at ground contact. The separating variable between subgroups was ankle extension with freshman women being greater than both freshman men and sophomore women."],"dc:identifier":["https://digitalcommons.georgiasouthern.edu/etd/71"],"dc:subject":["ETD","Anterior cruciate ligament","Sex differences","Kinetics","Exercise"],"dc:title":["Biomechanical Sex Differences Between Freshman and Sophomore Athletes in a Single-Leg Squat and Single-Leg Land"],"thesis:degree_discipline":["Department of Health and Kinesiology"],"thesis:degree_level":["Thesis (open access)"],"thesis:degree_name":["Master of Science in Kinesiology (M.S.)"]},"updated_at":"2026-07-24T02:26:17Z"}