Conceptualising a modified system for classification of in-hand manipulation.

Occupational therapists consider in-hand manipulation (IHM) to be an important component of fine motor skills and to be related to handwriting and self-care proficiency. These relationships have not been well explored nor has the impact of intervention including IHM skill enhancement on proficiency in motor tasks. We propose that the existing conceptualisation of IHM may contribute to a dearth of evidence in this area. This paper closely examines the existing classification systems of IHM. We propose an adaptation of Exner's classification system which contains more discrete categories of IHM movements and includes: finger-to-palm translation to achieve stabilisation, palm-to-finger translation, simple shift, complex shift, simple rotation and complex rotation. Further research to test this modified classified system and to explore evidence for IHM intervention is warranted.

[1]  Charlotte E Exner,et al.  The effect of seated positioning quality on typical 6- and 7-year-old children's object manipulation skills. , 2004, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[2]  C. Pehoski,et al.  In-hand manipulation in young children: translation movements. , 1997, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[3]  C. Pehoski,et al.  In-hand manipulation in young children: rotation of an object in the fingers. , 1997, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[4]  J. Case-Smith,et al.  Factors that relate to good and poor handwriting. , 1996, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[5]  C E Exner.  Content validity of the In-Hand Manipulation Test. , 1993, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[6]  Ce. Exner.  In-hand maturation skills in normal young children : A pilot study , 1990 .

[7]  J. Elliott,et al.  A CLASSIFICATION OF MANIPULATIVE HAND MOVEMENTS , 1984, Developmental medicine and child neurology.

[8]  C E Exner,et al.  Construct validity of the In-Hand Manipulation Test: a discriminant analysis with children without disability and children with spastic diplegia. , 1999, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[9]  R. Humphry,et al.  Development of in-hand manipulation and relationship with activities. , 1995, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[10]  Jenny Ziviani,et al.  The Development of Graphomotor Skills , 2006 .

[11]  Jane Case-Smith,et al.  Effectiveness of school-based occupational therapy intervention on handwriting. , 2002, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[12]  Daniel Bourbonnais,et al.  Handwriting Performance on the ETCH-M of Students in a Grade One Regular Education Program , 2007, Physical & occupational therapy in pediatrics.

[13]  Jane Case-Smith,et al.  Comparison of In-Hand Manipulation Skills in Children with and without Fine Motor Delays , 1993 .

[14]  Jane Case-Smith,et al.  Fine Motor and Functional Performance Outcomes in Preschool Children , 1998 .

[15]  J. E. Wassenberg-Severijnen,et al.  Pediatric Evaluation of Disability Inventory (PEDI): calibrating the Dutch version , 1998 .

[16]  J. Case-Smith,et al.  Fine motor outcomes in preschool children who receive occupational therapy services. , 1996, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[17]  R. Humphry,et al.  Reliability of an Observation Protocol on In-Hand Manipulation and Functional Skill Development , 1994 .

[18]  Scott D. Tomchek,et al.  Chapter 14 – Evaluation of Handwriting , 2006 .

[19]  Larry H. Ludlow,et al.  Pediatric Evaluation of Disability Inventory , 1994 .

[20]  C E Exner.  The zone of proximal development in in-hand manipulation skills of nondysfunctional 3- and 4-year-old children. , 1990, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[21]  J. Case-Smith,et al.  Effects of occupational therapy services on fine motor and functional performance in preschool children. , 2000, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[22]  D. Bourbonnais,et al.  Handwriting performance in preterm children compared with term peers at age 6 to 7 years. , 2005, Developmental medicine and child neurology.

[23]  J Case-Smith.  The relationships among sensorimotor components, fine motor skill, and functional performance in preschool children. , 1995, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.

[24]  P. Denton,et al.  The effects of sensorimotor-based intervention versus therapeutic practice on improving handwriting performance in 6- to 11-year-old children. , 2006, The American journal of occupational therapy : official publication of the American Occupational Therapy Association.