Speed-Strength vs Strength-Speed
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Two regions of the power continuum — strength-speed is heavier/slower explosive work, speed-strength is lighter/faster explosive work.
Detail
Between maximal strength and maximal speed, the force-velocity continuum is often divided into four overlapping zones used to target training:
- Maximal (absolute) strength — heaviest loads, lowest velocity (~>80-90% 1RM).
- Strength-speed — heavy-to-moderate loads moved as fast as possible; force dominates but velocity matters (commonly ~50-80% 1RM, e.g., heavier power cleans, jump squats with load).
- Speed-strength — light-to-moderate loads moved very fast; velocity dominates but force still matters (commonly ~25-50% 1RM, e.g., light jump squats, ballistic bench throws).
- Maximal speed (speed-strength end) — minimal external load, highest velocity (unloaded jumps, sprints, plyometrics).
The hyphen order signals which quality leads: strength-speed (strength first) is heavier and slower; speed-strength (speed first) is lighter and faster. Programs often progress from maximal strength → strength-speed → speed-strength → speed to "convert" strength into usable power for a sport. the exact %1RM bands differ between authors (Verkhoshansky, NSCA, others).
Key facts
- Continuum zones: max strength → strength-speed → speed-strength → max speed.
- Strength-speed: heavier/slower explosive (~50-80% 1RM).
- Speed-strength: lighter/faster explosive (~25-50% 1RM).
- Hyphen order indicates the dominant quality (first word leads).
- Used to sequence training from general strength toward sport-specific speed.
Connections
- Force-Velocity Curve — these zones are bands on the curve.
- Power vs Strength vs Speed — the three parent qualities.
- Ballistic Training — the method used in the speed-strength zone.
- Olympic-Lift Derivatives for Power — bridge strength-speed and speed-strength.
- Intensity — load percentages define each zone.
Sources
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