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SQUAT JUMP
(SJ)
SJ TEST TYPES
The Squat Jump Test Type can be customized by creating and applying a TAG. Below are common SJ tags. It is important to note no tag in the system implies "hands on hip."
TOUCH
Bilateral SJ
Bilateral SJ
TOUCH
HANDS ON HIPS
HANDS ON HIPS
TOUCH
ARM SWING
ARM SWING
TOUCH
LOADED CONDITIONS
LOADED CONDITIONS
TOUCH
STATIC START PUSH-UP (Upper)
STATIC START PUSH-UP (Upper)
TOUCH
FORCE VELOCITY PROFILING
FORCE VELOCITY PROFILING
SQUAT JUMP VIDEO LIBRARY
HOW TO VIDEO
Turn the sound on to hear a detailed list of instructions and proper cueing for the SJ.
SIDE VIEW SQUAT JUMP HANDS ON HIPS
The athlete must stand in the squat position holding before the test is initiated. Once the test begins, the athlete should perform the test by initiating a concentric contraction only, with as little "dip" or unweighting as possible (e.g. rocket jump). If the athlete unweights excessively, the test will fail. We suggest using an athlete self-selected depth, similar to that of the lowest position in the countermovement jump. You may prefer that the athlete starts at 90 degrees knee flexion, which is also acceptable. Whichever you choose just be consistent
FRONT VIEW SQUAT JUMP HANDS ON HIPS
A failed test, while potentially frustrating, is still a data point for the coach. To execute the test correctly, the athlete must possess sufficient isometric strength to hold in the squat position, and activate their muscles in such a manner that no unweighting occurs - this task can be learned and improved upon after some practice. (This video displays an early version of the Hawkin Dynamics software since updated)
Failed Squat Jump View
If the athlete dips down before the start of the squat jump initiation, the software will fail the attempt. Return to the testing screen and repeat the attempt until completed successfully.
What it means:
- A failed squat jump is a datapoint in itself
- Take a mental note if the athlete cannot complete a squat jump
- An athlete who cannot complete a squat jump is an athlete who relies heavily on the use of the stretch-shortening cycle.
FORCE-VELOCITY PROFILING
Adam virgile FVP Resources
Resources to Optimize Athletic Performance and Sports Sciences
JB MORIN FVp resources
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