DEC
Deceleration Index
- Equipment
- Timing gates · force plate landing pad
- Protocol
- Sprint at 90% max, brake to full stop in a marked zone. Three reps.
- Measures
- Peak braking force (N) · Braking rate (m/s²) · Deceleration distance
- Why it matters
- The forgotten side of speed. Athletes who can't brake can't cut, can't change direction, and get hurt.
Developing
3.0 m/s²
D1
4.5 m/s²
Pro
5.5 m/s²+
