Heavy Slow Resistance (Tendon Remodeling & Strength)

Mode: ๐ŸŸก Build (late-stage ๐Ÿ”ด Rebuild)

Goal

Increase tendon force capacity and stimulate tissue remodelling to support higher-performance demands.

When to Use

  • Tendons tolerate load but lack strength or robustness
  • Transition phase from rehab to full performance training
  • When isometrics are no longer sufficient stimulus
  • For skills requiring high force output

Load

Frequency2ร— per week per tendon group
IntensityModerate to heavy load (RPE 7โ€“9)
Last rep should be slow and controlled, not sloppy
Volume per session3โ€“4 exercises
3โ€“4 sets ร— 4โ€“6 reps
Tempo: 3โ€“5s eccentric + 3โ€“5s concentric
Rest2โ€“3 minutes between sets
Deload6โ€“8 weeks before reassessment or rotation
Pain guidelineMild discomfort during sets is acceptable
Pain should not increase after training or the next day
Persistent symptom flare โ†’ reduce load or regress to isometric protocol

Method

  • Use compound or isolated lifts that load the target tendon directly
  • Prioritise full control through the entire range of motion
  • Maintain consistent tempo on every rep
  • Avoid bouncing, momentum, or rushed concentrics

Progression

Progress load gradually while maintaining tempo.

  • Increase external load slightly week to week
  • Add one extra set per exercise (up to 4)
  • Reduce assistance or increase leverage demands
  • Progress only if technique and symptom response remain stable.

Stop / Exit Criteria

Transition out of this protocol when:

  • Tendon tolerates heavy loading without symptom flare
  • Skill-specific training provides sufficient tendon stimulus

Reduce or pause if:

  • Pain increases or lingers beyond 24 hours
  • Overall fatigue or joint irritation accumulates

Why This Works

  • Slow loading increases tendon strain time, driving remodelling
  • Heavy resistance improves force capacity and stiffness
  • Controlled eccentrics and concentrics transfer well to real-world movement
  • Lower frequency allows adequate recovery from high mechanical stress