Clinical prediction rule for Anterolateral Ankle Impingement

   Patients complain of constant ankle pain…

Patients complain of constant anterior and/or lateral ankle pain upon activities or ambulation without a current history of trauma but mostly with past history of inversion ankle sprains, especially after anterior talofibular ligament injury. They may also present with the history of forced plantar flexion and supination injuries resulting anterolateral capsular tissue damage.

What causes impingement?

Impingement is caused mainly due to inadequate and/or improper healing of previous ankle injuries.It may be due to thickening of a joint capsule, scar formation, reactive synovitis or development of bone spurs adjacent to anterior talocrural or ankle joint.
Liu et al. (1997) developed a clinical prediction rule for ankle impingement which can be used to exclude the need of MRI to diagnose anterolateral ankle impingement and start conservative management.

Clinical prediction rule for Anterolateral Ankle Impingement Anterior ankle impingement
(Five of six symptoms must be positive)
Anterolateral ankle joint tenderness
Anterolateral ankle joint swelling
Pain on forced dorsiflexion
Single leg squat on affected side will be painful.
Pain with activities
Absence of ankle instability[Reference: From Liu SH, Nuccion SL, Finerman G. Diagnosis of anterolateral ankle impingement: comparison between magnetic resonance imaging and clinical examination. Am J Sports Med 25:389-393, 1997.]

Physiotherapist can help

A physiotherapist mostly focuses on restoring or improving joint space for free movement of the joint and hence to improve pain-free activities.

Acute phase

Physiotherapy treatment starts with a period of rest and gentle ankle mobilization exercises in order to reduce acute pain and symptoms. Also, to improve or maintain available range of motion of the joint.

Chronic Phase: 

  •  manual therapy techniques such as joint distraction, anterior/posterior or lateral talocrural glides, and distal fibula glides.
  • Similarly, cuboid whip and other joint mobilization techniques to improve joint range of motion.
  • With the improvement of joint flexibility and reduced pain, a progressive ankle resistance exercise is recommended.
  • Followed by ankle stability and balance exercise protocols so that patient can return to his normal or sporting activities safely.

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