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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.

Join the 2026 NSCA Training for the Endurance Athlete Summit in Tempe, AZ, on March 28. Explore endurance training performance, learn hands-on, + earn 0.8 CEUs.

Purchase the 2025 RSCC renewal course. - Achieve a minimum of 70% to renew your RSCC designation and earn 0.6 CEUs towards your certification.

NSCA has a network of volunteer leaders who direct NSCA’s efforts at the state level. NSCA’s Rocky Mountain Regional Coordinator provides oversight and training to local state directors. Members in the Rocky Mountain Region can connect at local and regional events as well as on Facebook to others in this area.

The NSCA is proud to recognize the outstanding work of our professionals around the world. Please take time to nominate your peers when you see excellence that deserves recognition.

Choose your path with new 2026 NSCA Performance Summits. Join us at one of four specialized strength and conditioning events across the U.S. and earn 0.8 CEUs.