The countermovement jump (CMJ) is one of the most used performance assessments in strength and conditioning. Although numerous studies discuss the usability of different metrics in this test, this is often performed within the context of a specific aim. However, to our knowledge, no information currently exists providing practitioners with some over-arching recommendations on which metrics to choose when the purpose of using the test differs. This article discusses how the metrics selected to monitor during CMJ testing may differ when aiming to use it as a proxy for athletic performance, as part of neuromuscular fatigue monitoring, or as part of a test battery for return to performance in injured athletes.

The NSCA Store offers the gear you need for your career as a fitness professional. Purchase apparel, educational books and resources, official NSCA certification study materials, and more. Shop now!

Attend a CSCS 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 clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!

Attend a CSCS 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 clinic. Strive for success – sign up today for this NSCA Exam Prep Clinic!

Join us in Verona, Italy, for the NSCA Global Conference, October 24–25, 2026. Connect with fellow international strength and conditioning professionals in a city where timeless architecture mirrors the enduring pursuit of high performance.

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.

The NSCA-CPT Techniques of Exercise Online Practice Question Bundle helps candidates get familiar with the type, scope, and difficulty of the questions on the NSCA-CPT Certification exam.

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.

From the 2021 Personal Training Virtual Conference, Andrea Leonard thoroughly details the impact of various cancer surgeries on muscle balance and range of motion and necessary program considerations. She also discusses the acute and chronic side-effects of cancer treatment and how they may affect exercise programming. Another area that is highlighted is lymphedema. She details the cancer-related risk factors and how it can be prevented and/or managed with proper exercise programming and progression.