Lateral ankle sprains are one of the most common injuries sustained during sport or physical activity. Up to 40% of individuals can develop chronic lateral ankle instability (CLAI) after a lateral ankle sprain. CLAI occurs when functional or mechanical insufficiencies of the lateral ankle ligamentous complex persist. The purpose of this article is to identify characteristics of CLAI and describe strength and conditioning strategies that can be used to treat lateral ankle ligamentous injuries, preventing them from progressing on to CLAI.

The NSCA accepts returned merchandise up to 30 days from the date of delivery with preauthorization.

Attend a unique NSCA-CPT Exam Prep Live Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to successfully pass the NSCA-CPT certification exam. Qualified industry professionals will take you through the information as outlined in the Detailed Content Outline and answer your questions in this 2-day clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic.

Explore the 2027 NSCA National Conference in Las Vegas and online, July 7–10, the definitive event for strength and conditioning education. See 2026 highlights.

Before registering for the CPSS™ exam, you must first complete an application, submit your eligibility documents, and receive permission to test. Begin this process in advance of your desired testing date, as applications may take up to 30-days to process.

Attend an Online CPT Exam Prep Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to pass the CSCS certification exam successfully. Qualified industry professionals use their expertise to assist you and will answer your questions in this 2-day online clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!

Attend a unique NSCA-CPT Exam Prep Live Clinic and receive a comprehensive review of the knowledge, skills, and abilities required to successfully pass the NSCA-CPT certification exam. Qualified industry professionals will take you through the information as outlined in the Detailed Content Outline and answer your questions in this 2-day online clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic.

Have you ever struggled to understand anatomy photos in textbooks and apply those images to real-life movement? Check out celebrated movement specialist Dr. Grove Higgins lab demonstration from the 2019 Personal Trainers Virtual Conference.