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THE ADOLESCENT MEASURE OF CONFIDENCE AND MUSCULOSKELETAL PERFORMANCE (AMCAMP): DEVELOPMENT AND INITIAL VALIDATION.

Keith H May1, Andrew A Guccione2, Michael C Edwards3

  • 1Children's Healthcare of Atlanta.

International Journal of Sports Physical Therapy
|October 21, 2016
PubMed
Summary

A new Adolescent Movement Confidence and Rehabilitation Participation (AMCaMP) scale was developed to measure confidence in movement for adolescents undergoing rehabilitation. The AMCaMP demonstrates reliable and valid psychometric properties for this population.

Keywords:
Adolescentsconfidencemovementrehabilitationself-efficacy

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Area of Science:

  • Movement science
  • Rehabilitation medicine
  • Adolescent psychology

Background:

  • Self-efficacy is linked to sports performance, but confidence in movement for daily activities and post-injury rehabilitation in adolescents is understudied.
  • Existing instruments lack validation for measuring movement confidence in adolescent populations.

Purpose of the Study:

  • To develop and validate the Adolescent Movement Confidence and Rehabilitation Participation (AMCaMP) scale, a self-report measure for adolescent confidence in movement.
  • To provide initial evidence supporting the AMCaMP's utility in assessing movement confidence.

Main Methods:

  • The AMCaMP was adapted from the OPTIMAL instrument, previously validated in adults.
  • Data were collected from 1,115 adolescent athletes across 12 outpatient physical therapy clinics.
  • Exploratory and confirmatory factor analyses were used to determine the scale's structure.

Main Results:

  • Factor analysis revealed a three-factor structure for the AMCaMP: trunk, lower body, and upper body.
  • Reliability analyses showed strong internal consistency (Cronbach's alpha: 0.82–0.94).
  • The scale demonstrated acceptable measurement precision with low Standard Error of Measurement and Minimum Detectable Change values.

Conclusions:

  • The AMCaMP possesses acceptable psychometric properties for assessing patient-centric outcomes in adolescents aged 11–18.
  • It serves as a valuable tool for measuring confidence in movement abilities following rehabilitation in adolescent athletes.