Glossary Term
Counter-movement Jump (CMJ)
Counter-movement Jump (CMJ) is a jump that starts with a counter-movement; that is, a forceful quick descent and backswing of the arms (eccentric phase), followed by the shortest possible time in the bottom position (amortization phase), followed immediately by a forceful upward jump (concentric phase). This is the jumping motion most commonly associated with a vertical jump test.
Counter-movement Jump (CMJ): A jump that starts with a counter-movement; that is, a forceful quick descent and backswing of the arms (eccentric phase), followed by the shortest possible time in the bottom position (amortization phase), followed immediately by a forceful upward jump (concentric phase). This is the jumping motion most commonly associated with a vertical jump test.
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Synonyms
- Vertical jump
- Vertical jump test
- Standing vertical jump test