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Table 1 A summary of the Clubfoot Assessment Protocol (CAP)

From: Reliability and validity of motion analysis in children treated for congenital clubfoot according to the Clubfoot Assessment Protocol (CAP) using inexperienced assessors

Subgroup Items Scores
(Worst to best)
Mobility I Ankle dorsal extension
Ankle plantar flexion
Heel varus/valgus
Forefoot adduction/abduction
Item level:0,1,2,3 and 4
(Total sub score: 0–20)
Mobility II Length of toe flexors:
M. flexor digiti longus
M flexor digiti hallucis
Item: 0, 2 and 4.
(Total sub score: 0–8)
Muscle function Strength of foot eversion:
M. peronus longus
M.extensor digiti longus
Item: 0, 2 and 4.
(Totalsub score: 0–8)
Morphology Tibial torsion,
Heel position
Forefoot position
Cavus or planus.
Item: 0, 2 and 4.
(Total sub score: 0–16)
Motion quality I Walking
Toe walking
Heel walking
Item: 0, 1, 2, 3 and 4.
(Total sub score: 0–16)
Motion quality II One-leg balance
One-leg hop
Item: 0, 1, 2, 3 and 4.
(Total sub score: 0–8)
  1. 0 = cannot/++ poor, 1 = very deviant/+ poor, 2 = deviant/poor, 3 = slightly deviant/± poor and 4 = within normal.
  2. Completed with questions about experience of stiffness, pain, shoe problems, participation in sports, problems with keeping up with peers or other specific problems in daily life.