Countermovement Jump Set up Guide

Countermovement Jump Countermovement Jump + Arm Swing SL Countermovement Jump

• The countermovement jump (CMJ) is one of the most popular methods of athlete performance testing. It is used primarily to assess neuromuscular function and jumping strategy. 
  • Want to learn more about the CMJ? Click here. 

• In the app, select “Countermovement Jump” from the testing menu
  • Have the selected athlete stand on the plates with their hands firmly attached to their hips

• Press the play button to start test.
• On the beep and flash cue the athlete to  jump as high as possible, landing back on the plates.
• Ensure that athlete lands on the plates after the jump, and that their hands stay on their hips throughout the jump.
  • After completion of each test, press save.
  • Repeat for desired number of tests.
• This test can also be done with an Arm Swing
  • Follow the same protocol, EXCEPT:
    • Have the selected athlete stand on the plates with their arms fully extended overhead
    • On the beep and flash cue the athlete to throw their arms down on the descent and jump as high as possible landing back on the plates.
    • Tag it " Arm Swing" 
• This test can also be done as a Single Leg (SL) test.
  • Follow the same protocol (Hands on hips to start), EXCEPT:
    • When the athlete is standing tall and in position, instruct them to shift onto one limb.
    • Tag it " SL Left or SL Right)

• Cue athlete to jump as high as they can as fast as they can
• Instruct athletes to jump straight up as high, fast as they can, and not to tuck legs during the ascent.

• If the athlete moves upwards prior to unweighing (counter-countermovement) to build momentum and jump higher, coach them to follow proper form, as this will trigger an error in the test.
• It is important to standardize testing protocols in order to accurately compare results, including:
  
  • Warmup
  • Instructions/intent

• Countermovement Jump (Hands on Hips)
  

• Countermovement Jump (Arm Swing) 
  
  
• Countermovement  Jump (SL)
  

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