Validation of Modified AST

Validity and Reliability of the Modified Athletic Shoulder Test

The objective of the study is the validate and to assess the reliability of a modified version of the Athetic Shoulder Test. The activity of peri-scapular muscles during the realization of the test will be assessed too.

The study will be divided into two sessions. A time of 7-10 days will be provided between the two sessions of tests to limit the influence of sport and training on the results.

Session 1:

• Warm-up
• Realization of the Athletic Shoulder Test (with EMG captors on upper trapezius, lower trapezius and serratus anterior)
• Realization of the modified Athletic Shoulder Test (with EMG captors on upper trapezius, lower trapezius and serratus anterior)

Session 2:

• Warm-up
• Realization of the Athletic Shoulder Test (with EMG captors on upper trapezius, lower trapezius and serratus anterior)
• Realization of the modified Athletic Shoulder Test (with EMG captors on upper trapezius, lower trapezius and serratus anterior)

Inclusion Criteria:

• to practice an overhead sport at least 5 hours a week

Exclusion Criteria:

• no shoulder pain
• no history of shoulder pain
• no history of shoulder surgery
• no scoliosis or lower limb lengths differences