1.Introduction 2.Principles of neuromotor development 3.Design, performance and psychometric properties of the IMP 4.Assessment of motor behaviour in supine 5.Assessment of motor behaviour in prone 6.Assessment of motor behaviour in sitting position 7.Assessment of motor behaviour during standing and walking 8.Assessment of reaching, grasping and manipulation of objects during sitting 9.General: items observed throughout the assessment 10.Clinical application and significance of the IMP