Peroneus Longus and Brevis Tests

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Purpose

The purpose of these tests is to evaluate the muscle strength of the peronei.

Technique

Grade 3 (Fair Strength):

• Patient starting position:
  Sidelying , affected leg is the upper leg and is resting on a pillow, with the ankle in the anatomical position.

• Therapist Position and Grasps:
  The proximal hand of the therapist is resting on the lateral side of the hip, right above the knee, and the therapist is standing behind the patient.

• Command:
  The therapist asks the patient to pull his feet up and to perform an eversion.

Grade 4 (Good Strength):

• Patient starting position:
  Same as for "grade 3".
• Therapist Position and Grasps:
  Same as for "grade 3” and the therapist gives resistance, on the lateral border of the forefoot with is distal hand.
• Resistance:
  1/2 of the maximal resistance.
• Command:
  Same as for “grade 3”.
  

Grade 5 (Normal strength):

• Patient starting position:
  Same as for "grade 3".
• Therapist Position and Grasps:
  Same as for "grade 4”.
• Resistance:
  Maximal resistance.
• Command:
  Same as for “grade 3”.
  

Grade 2 (Poor strength):

• Patient starting position:
  Sidelying , affected leg is the upper leg, with the foot resting on it’s medial border, also should the ankle be positioned in it’s anatomical position.
• Therapist Position and Grasps:
  The proximal hand of the therapist is resting on the lateral side of the hip, right above the knee, and the therapist is standing behind the patient. While the distal hand stabilizes the lower leg.
• Command:
  Same as for “grade 3”

Grade 1 and 0 (Trace and Zero strength):

• Patient starting position:
  Same as for "grade 3".
• Therapist Position and Grasps:
  The proximal hand of the therapist is palpating the peroneus longus and brevis, while his distal hand is supporting the foot. The supporting hand helps the foot to perform the movement.
• Command:
  Same as for “grade 3”.
  

Evidence

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Resources

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