{"id":158,"date":"2022-05-22T04:41:48","date_gmt":"2022-05-22T04:41:48","guid":{"rendered":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/?page_id=158"},"modified":"2022-05-22T05:37:19","modified_gmt":"2022-05-22T05:37:19","slug":"curved-base","status":"publish","type":"page","link":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/curved-base\/","title":{"rendered":"Curved Base"},"content":{"rendered":"\n<p><strong>Requirement: <\/strong>The device must reduce the user\u2019s energy expenditure relative to axillary crutches<\/p>\n\n\n\n<p><strong>Method:<\/strong> Users took 20 strides using both the Ergo-Crutch and the axillary crutch (random order of treatment) and were then asked how tired they feel on a scale of 1-10<\/p>\n\n\n\n<p><strong>Acceptance Criteria: <\/strong>Lower survey scores for the Ergo-Crutch (p&lt;0.05).<\/p>\n\n\n\n<p><strong>Results:<\/strong> Lower survey scores for the axillary crutch (p&lt;0.05)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-6-1024x222.png\" alt=\"\" class=\"wp-image-165\" width=\"571\" height=\"123\" srcset=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-6-1024x222.png 1024w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-6-300x65.png 300w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-6-768x166.png 768w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-6.png 1043w\" sizes=\"auto, (max-width: 571px) 100vw, 571px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Outcome:<\/strong> Fail<\/p>\n\n\n\n<!--nextpage-->\n\n\n\n<p><strong>Specification:<\/strong> The device-ground interface material should have a spring constant, k, of 7000 \u00b1 1000 N\/m.<\/p>\n\n\n\n<p><strong>Method:<\/strong> Force-deflection test was performed. Known forces were applied to the curve and the resulting deflections were measured.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-10.png\" alt=\"\" class=\"wp-image-171\" width=\"590\" height=\"330\" srcset=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-10.png 989w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-10-300x168.png 300w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-10-768x430.png 768w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Acceptance Criteria: <\/strong>Spring constant between 6000 and 8000 N\/m.<\/p>\n\n\n\n<p><strong>Result: <\/strong>Spring constants of 7349.1 N\/m and 7723.8 N\/m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"278\" src=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-7-1024x278.png\" alt=\"\" class=\"wp-image-166\" srcset=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-7-1024x278.png 1024w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-7-300x81.png 300w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-7-768x208.png 768w, https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-content\/uploads\/sites\/184\/2022\/05\/image-7.png 1276w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Outcome: <\/strong>Pass <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Requirement: The device must reduce the user\u2019s energy expenditure relative to axillary crutches Method: Users took 20 strides using both the Ergo-Crutch and the axillary crutch (random order of treatment) and were then asked how tired they feel on a scale of 1-10 Acceptance Criteria: Lower survey scores for the Ergo-Crutch (p&lt;0.05). Results: Lower survey &hellip; <a href=\"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/curved-base\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Curved Base<\/span><\/a><\/p>\n","protected":false},"author":355,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-158","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/pages\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/users\/355"}],"replies":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/comments?post=158"}],"version-history":[{"count":0,"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/pages\/158\/revisions"}],"wp:attachment":[{"href":"https:\/\/engprojects.tcnj.edu\/ergo-crutch\/wp-json\/wp\/v2\/media?parent=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}