Fibularis Longus: Swim Kick Rehab & Technique

  • Increased Load: Fins add resistance, increasing stress on the ankle and fibularis longus.
  • Repetitive Motion: Continuous flutter kicking stresses the outer calf muscles.
  • Poor Fit or Technique: Improper fin use can strain the lateral ankle.
  • Muscle Fatigue: Weak stabilizers lead to overload of the fibularis longus.

Signs of strain: Pain or tightness along the outer leg, especially with foot movement or post-swim soreness.

  1. Ankle Eversion with Resistance Band: 3x10–15 reps per side
  2. Calf Raises with Eversion Focus: Emphasize outer edge of foot; 3x12–15 reps
  3. Side-Lying Ankle Eversion: Top leg lifts outward; 3x15 reps
  4. Foam Rolling: Roll lateral calf area for 1–2 minutes daily
  5. Balance Training: Single-leg stands with variations; 3–4 sets
  6. Toe Walking: Walk on toes with slight eversion for 30–60 seconds

  • Kick from the Hips: Avoid excessive knee motion; use full-leg rhythm.
  • Keep Kicks Small: Narrow kicks (12–18 inches) reduce joint stress.
  • Relax the Ankles: Let fins ride naturally; don’t force toe-pointing.
  • Kick Symmetrically: Balance both legs to avoid muscle compensation.
  • Choose the Right Fins: Flexible, short fins are best for rehab and control.
  • Warm Up Ankles: Use circles and dynamic stretches before fin sets.
  • Limit Volume: Avoid overloading with too much fin kicking in one session.

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