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Segmental Assessment of Trunk Control (SATCo)

The SATCo provides a systematic method of assessing discrete levels of trunk control in children with neuromotor disability. It is a test that is suitable for use in the clinic and requires only a bench with optional strapping, a tester (usually the Physical Therapist) and one or two assistants (which can be the child’s family). The child’s favourite toy is also helpful. Optional video recording means that the test can be reviewed in case of ambiguity of scoring.

Reliability and validity of the SATCo have been established. Interrater reliability (intraclass correlation coefficient values) were more than 0.84 and 0.98 across all data sets and all aspects of control. Concurrent validity was established with the Alberta Infant Motor Scales with coefficients ranging from 0.86 to 0.88 for typically developing infants. Concurrent validity for children with neuromotor disability was established with the Gross Motor Function Measure-66 (Dimension B Sitting) with coefficients ranging from 0.73 to 0.83.

You may wish to refer to the publication:

Butler PB, Saavedra S, Sofranac M, Jarvis SE, Woollacott MH. (2010) ‘Refinement, Reliability, and Validity of the Segmental Assessment of Trunk Control’. Pediatric Physical Therapy 22(3):246-257. (Winner of the Toby Long Award 2010 for the best publication in 2010)

Please download the Assessment Instructions, Score Form and Scoring Guidelines for use in your own facility. We would welcome any feedback that you may have and hope that you find the SATCo a useful clinical tool.