Protocol Library → Force-Measured Protocols → AC‑FSR — Recruitment

AC‑FSR — Recruitment

Active Curl Finger Strength Repeaters — Recruitment

Primary Goal

Finger recruitment before climbing training
PROTOCOL OVERVIEW
Finger strength
System
Peak Load System
Target
Maximal finger-force recruitment
Load
60–80% PL
Tempo
2 s ON / 4 s OFF
Hand Switch
Per set
Preparation
Preparation 60% · Half Crimp: 1 set × 5–10 reps per side (both sides) @ 55–65% PL
Rest 2 min before next stage

Preparation 70% · Half Crimp: 1 set × 5–10 reps per side (both sides) @ 65–75% PL
Rest 2 min before next stage
Main Work
Recruitment 80% · Half Crimp: 1–2 sets × 3–8 reps per side (both sides) @ 75–85% PL
Rest 2 min between sets
Retest
Every block
Duration
~7–13 min
Tindeq code
OBYR

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60% — kg
70% — kg
80% — kg

When to use it

Use when strength is the primary quality of the session.

  • Standalone strength session
  • Pre-climb recruitment (low volume)

Execution

Warm-up

  • 1 × 8 @ 60% PL
  • 1 × 8 @ 70% PL

Main Work

  • Recruitment (low volume): 1–2 × 5 @ 80% PL
  • Complete all prescribed sets without failure.

Technical Focus

Focus on precise and repeatable force production:

  • Apply smooth, controlled force without spikes
  • Keep output consistent across all reps
  • Avoid compensatory tension in shoulders and body
  • Maintain stable grip position and engagement
  • Prioritize quality over total volume

Frequency

  • 1–2 × per week during strength phases
  • Perform as a standalone session or first component of the session
  • Avoid placing after high-fatigue work

Expected Effects

Over time:

  • Increased maximal finger force (Peak Load)
  • Improved high-threshold motor unit recruitment
  • Better force maintenance across repeated contractions
  • Stronger transfer of finger strength to climbing performance
EXERCISE DEMONSTRATION

Active Curl Finger Strength Repeaters

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