{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T17:34:36Z","timestamp":1772213676406,"version":"3.50.1"},"reference-count":124,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,9,9]],"date-time":"2020-09-09T00:00:00Z","timestamp":1599609600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Increased vertical and posterior ground reaction forces (GRFs) are associated with anterior cruciate ligament (ACL) injury. If a practical means to predict these forces existed, ACL injury risk could be attenuated. Forty-two active college-age individuals (21 females, 20.66 \u00b1 1.46 y, 70.70 \u00b1 2.36 cm, 82.20 \u00b1 7.60 kg; 21 males, 21.57 \u00b1 1.28 y, 65.52 \u00b1 1.87 cm, 64.19 \u00b1 9.05 kg) participated in this controlled laboratory study. GRFs were ascertained by having the subjects perform a unilateral landing task onto a force plate. Several clinical measures (Fat Free Mass (FFM), dorsiflexion passive range of motion (DPROM), isometric peak force of the lateral hip rotators, knee flexor\/extensor peak force ratio (H:Q), the completion of the overhead deep squat), two functional tests (Margaria\u2013Kalamen, Single Leg Triple Hop (SLTH)), and sex served as the predictor variables. Regression models to predict the GRFs normalized to the FFM (nGRFz, nGRFy) were generated. nGRFz was best predicted with a linear regression equation that included SLTH and DPROM (adjusted R2 = 0.274; p = 0.001). nGRFy was best predicted with a linear regression equation that included H:Q, FFM, and DPROM (adjusted R2 = 0.476; p &lt; 0.001). Simple clinical measures and functional tests explain a small to moderate amount of the variance associated with the FFM normalized vertical and posterior GRFs in active college-age individuals.<\/jats:p>","DOI":"10.3390\/jcm9092907","type":"journal-article","created":{"date-parts":[[2020,9,10]],"date-time":"2020-09-10T22:58:01Z","timestamp":1599778681000},"page":"2907","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Ground Reaction Forces Are Predicted with Functional and Clinical Tests in Healthy Collegiate Students"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5514-0516","authenticated-orcid":false,"given":"Paul A.","family":"Cacolice","sequence":"first","affiliation":[{"name":"Department of Movement Science, Sport, and Leisure Studies, Westfield State University, Westfield, MA 01086, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher R.","family":"Carcia","sequence":"additional","affiliation":[{"name":"Department of Kinesiology, Colorado Mesa University, Grand Junction, CO 81501, USA"},{"name":"Rangos School of Health Science, Duquesne University, Pittsburgh, PA 15282, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6510-4252","authenticated-orcid":false,"given":"Jason S.","family":"Scibek","sequence":"additional","affiliation":[{"name":"Rangos School of Health Science, Duquesne University, Pittsburgh, PA 15282, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amy L.","family":"Phelps","sequence":"additional","affiliation":[{"name":"Palumbo Donahue School of Business, Duquesne University, Pittsburgh, PA 15282, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,9,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1512","DOI":"10.1177\/0363546506286866","article-title":"Understanding and preventing noncontact anterior cruciate ligament injuries: A review of the Hunt Valley II meeting, January 2005","volume":"34","author":"Griffin","year":"2006","journal-title":"Am. 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