The primary reason we do jumping exercises is to exploit the stretch-shortening cycle of the legs to improve the use of elastic energy. The rationale for using box jumps in directly improving this quality is questionable because the very nature of plyometric exercise is creating an overload that box jumps do not accomplish very effectively.
Read MoreCarl Valle
Bo Jackson 40 Time
One of the biggest sports legends is Bo Jackson, an athlete who was an excellent football and baseball player in the 80s and early 90s, before a hip injury cut off his athletic career short. His highlights were memorable, gunning down runners with a rocket arm, running up walls to make amazing catches, and rushing out of the stadium on Monday Night football against Seattle. Tied to his legendary status, was his infamous 40 yard dash time, reportedly 4.12. But did Jackson actually run sub 4.2 seconds. Here is some compelling data to answer that question.
Read MoreSmarter Heart Rate Monitoring
This article is an overview of the methods and devices for measuring the efficiency and effectiveness of the aerobic system, heart rate monitoring strategies, resting heart rate, heart rate variability (HRV), heart rate recovery analysis, and the TRIMP training load for team sports.
Read MoreMyofascial Release and Foam Rolling
Self-myofascial release and foam rolling have become extremely popular. This article includes a taxonomy of myofascial measurement techniques and physiological responses to better quantify the effects on sprint performance.
Read MoreTeaching Plyometrics
In this article we explore a taxonomy of plyometrics, a review of take off and landing types, athlete career development considerations, and track season periodization.
Read MorePlyometrics for Speed Development
A goal of this article is get right to the heart of the matter, using jump training to improve the outcomes of speed and power programs in sport, specifically track and field and team sports that involve running and jumping. Most of the information included here is coming from big names and some less known individuals who I feel are successfully designing workouts that involve selective application of explosive exercises.
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