The repeated hop test is an assessment in which an athlete hops a predetermined number of times—often five or ten—consecutively, with the goal of maximizing the ratio of their flight time to ground contact time. Flight time divided by ground contact time is referred to as reactive strength index (RS...
The Squat Jump (SJ) test is used to assess lower-body concentric power. Squat Jumps are specific to strength and explosive sport competition, as many actions start in a static position (Haun, 2015). Removing the stretch-shortening cycle (SSC) from the jump test helps us better understand an athlete’...
The Countermovement Jump (CMJ) is a vertical jump test performed by having an athlete quickly squat to a self-selected depth and then jump as high as possible. It is the first jump in our force plate assessment and is used to both determine lower body power via jump height and to measure lower limb...
In a Driveline strength assessment, we test a range of general strength properties using a dual force plate system from ForceDecks. In the coming days, we will release a series of articles that break down each of our assessments: How do we perform them? What information do we get from them? How does...
Here are two studies the R&D department at Driveline read this week: Optimisation of the upper body motion for production of the bat-head speed in baseball batting As we get closer to implementing 3D motion capture with our gold-standard biomechanics lab in hitting (which we primarily use for pi...
Speed is the name of the game if you’re a rotational athlete. The recent publicity surrounding Bryson DeChambeau and Rory McIlroy has brought training club head speed to the eyes of many looking for an edge this offseason. DeChambeau spent his downtime training with one intention: to lead the tour...
Here are three studies the R&D department at Driveline read this week: Cross-sectional comparison of the probabilistic structure in the distribution of pitching location among baseball pitchers of different ages Studying the skill of command in pitching seems like an easy task—but that’s not nec...
Chances are that if you’re reading this blog post, you’ve had the fortune of watching a Mariano Rivera cutter, a Roy Halladay sinker, or a Pedro Martinez changeup – generational pitches that seemingly defied the naked eye as they approached home plate. Beyond having elite movement profiles, the t...
Plus week is here, Driveline’s once a year weeklong event with significant discounts on Driveline gear and products for Driveline Plus members. Driveline Plus is our annual membership that includes: Discounts on Driveline equipment and packages Access to our library of educational content Exclusive...
Here are three studies the R&D department at Driveline read this week: Movement Form of the Overarm Throw for Children at 6, 10, and 14 Years of Age A few weeks ago, in the 8/27 edition of Caught Looking, we discussed a motor learning study from Dr. Rob Gray at Arizona State University. This stu...
