Assisting Hand Assessment (AHA) Adolescent Assisting Hand Assessment (A-AHA)

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Assessment and outcome measure of bi-manual skills in unilateral impairment

Assesment Type


Patient Group

Cerebral Palsy

Age Group

Infants (0-2 years) | Children (3-12 years) | Adolescents (13-17 years)

ICF domain

Body Structure & Function

Area of assessment

Activities of Daily Living | Fine Motor

Key description

Video recorded play session using standard items in test kit. Scored during later viewing of video. considering 20 predefined items, using a rating scale ranging 1 to 4 points.
Ad-AHA computerised scoring
Reliability / validity
Standardised test.
Excellent inter- and intrarater reliability 0.97
Ad-AHA good-to-excellent interrater and test–retest reliability in adolescents with unilateral CP.
Strengths / weaknesses
Assessors must complete a 3 day course and “calibration tests”
Assessment manual and scoring information only available to course attendees.



Test kit - £350 Course approx. £500

Equipment required

Video camera, test kit

Training required

Previous experience and training.

Considerations & references
Louwers A, Beelen A, Holmefur M, Krumlinde-Sundholm L (2016) Development of the Assisting Hand Assessment for adolescents (Ad-AHA) and validation of the AHA from 18 months to 18 years. Developmental Medicine & Child Neurology Dec;58(12):1303-1309

Time to complete
Test- 15 minutes
Scoring- not specified
Also :
mini AHA for 8-18m
AHA-ABI for children with acquired brain injuries.
AHA-PAD for children with upper limb prosthesis, amputations and deficiencies.

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