{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc2840"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc2840","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Perceived Submaximal Leg Extension Forces of Young Adult Males","abstract":"The purpose was to examine actual force (AF) productions of males for accuracy during leg extensions when given a random desired force (DF) ranging from 10-90% of maximal force (MF). Thirty males ranging from 18 to 30 years of age (M = 21.99 + 3.04), who had no previous experience with the test equipment, went through 9 randomly ordered submaximal efforts followed by a maximal effort. Correlations between AF and DF were high (r > .79) and test-retest was consistent between AF (r = .87) and MF (r = .90). Participants consistently undershot DF on both test and retest from 20-90% and overshot DF only at 10%. Power functions revealed exponents of less than 1, indicating that AF grows slower then DF for both test .70 (.95 CI = .63 - .77) and retest .66 (.95 CI = .60 - .73). The results replicate a prior study by Jackson, Martin, Koziris, Ludtke, and Dishman (2001) that used incremental rather than random increases in DF.","abstract_html":"The purpose was to examine actual force (AF) productions of males for accuracy during leg extensions when given a random desired force (DF) ranging from 10-90% of maximal force (MF). Thirty males ranging from 18 to 30 years of age (M = 21.99 + 3.04), who had no previous experience with the test equipment, went through 9 randomly ordered submaximal efforts followed by a maximal effort. Correlations between AF and DF were high (r > .79) and test-retest was consistent between AF (r = .87) and MF (r = .90). Participants consistently undershot DF on both test and retest from 20-90% and overshot DF only at 10%. Power functions revealed exponents of less than 1, indicating that AF grows slower then DF for both test .70 (.95 CI = .63 - .77) and retest .66 (.95 CI = .60 - .73). The results replicate a prior study by Jackson, Martin, Koziris, Ludtke, and Dishman (2001) that used incremental rather than random increases in DF.","abstract_has_math":false,"creators":["Ludke, Andrew William"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Martin, Scott B.","Jackson, Allen","Koziris, L. Perry","Morrow, James R."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001-08","date_published":"2001-08","updated_at":"2026-07-24T05:34:52Z","subjects":["Muscle strength.","Leg -- Muscles.","actual force","leg extension forces","submaximal efforts","males"],"languages":["English"],"rights":["Use restricted to UNT Community","Copyright","Ludke, Andrew William","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 51217854","https://digital.library.unt.edu/ark:/67531/metadc2840/","ark: ark:/67531/metadc2840"],"render_values":[{"text":"oclc: 51217854","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc2840/","href":"https://digital.library.unt.edu/ark:/67531/metadc2840/","code":true},{"text":"ark: ark:/67531/metadc2840","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc2840","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Martin, Scott B.","Jackson, Allen","Koziris, L. 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Power functions revealed exponents of less than 1, indicating that AF grows slower then DF for both test .70 (.95 CI = .63 - .77) and retest .66 (.95 CI = .60 - .73). The results replicate a prior study by Jackson, Martin, Koziris, Ludtke, and Dishman (2001) that used incremental rather than random increases in DF."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Perceived Submaximal Leg Extension Forces of Young Adult Males"]}]}],"canonical_facts":{"dc:contributor":["Martin, Scott B.","Jackson, Allen","Koziris, L. Perry","Morrow, James R."],"dc:creator":["Ludke, Andrew William"],"dc:date":["2001-08"],"dc:description":["The purpose was to examine actual force (AF) productions of males for accuracy during leg extensions when given a random desired force (DF) ranging from 10-90% of maximal force (MF). Thirty males ranging from 18 to 30 years of age (M = 21.99 + 3.04), who had no previous experience with the test equipment, went through 9 randomly ordered submaximal efforts followed by a maximal effort. Correlations between AF and DF were high (r > .79) and test-retest was consistent between AF (r = .87) and MF (r = .90). Participants consistently undershot DF on both test and retest from 20-90% and overshot DF only at 10%. Power functions revealed exponents of less than 1, indicating that AF grows slower then DF for both test .70 (.95 CI = .63 - .77) and retest .66 (.95 CI = .60 - .73). The results replicate a prior study by Jackson, Martin, Koziris, Ludtke, and Dishman (2001) that used incremental rather than random increases in DF."],"dc:format":["Text"],"dc:identifier":["oclc: 51217854","doi: 10.12794/metadc2840","https://digital.library.unt.edu/ark:/67531/metadc2840/","ark: ark:/67531/metadc2840"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Use restricted to UNT Community","Copyright","Ludke, Andrew William","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Muscle strength.","Leg -- Muscles.","actual force","leg extension forces","submaximal efforts","males"],"dc:title":["Perceived Submaximal Leg Extension Forces of Young Adult Males"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:34:52Z"}