Disorders of the Lower Extremity

Jeff Leggit*, Ryan Mark, Chad Hulsopple, Patrick M. Carey, Jason B. Alisangco

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations


The lower extremities provide the stable platform for locomotion and all movements while upright. They are subject to much higher force loads than the upper extremities. Walking has an impact force of 1.2-3 times a patient’s body weight (BW), and running can increase the impact force anywhere from 7-10 times BW. Compounded over a lifetime, the lower extremities are subject to tremendous loads. Multiple intrinsic and extrinsic factors increase the risk for lower extremity injuries. These include but are not limited to musculoskeletal abnormalities (e.g., pes cavus), obesity, advancing age, chronic illness (e.g., diabetes, COPD), training errors, certain medication use, and previous trauma.

Original languageEnglish
Title of host publicationFamily Medicine
Subtitle of host publicationPrinciples and Practice: Eighth Edition
PublisherSpringer International Publishing
Number of pages26
ISBN (Electronic)9783030544416
ISBN (Print)9783030544409
StatePublished - 1 Jan 2022
Externally publishedYes


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