The Closed Kinetic Chain Upper Extremity Stability Test (CKCUEST) "The excellent test/re‐test reliability has now been expanded to include individuals with various reasons for shoulder symptoms. Traditional strength testing does not appear to be the ideal assessment method for making discharge and/or return to activity decisions due to the inability to discriminate between the groups. The CKCUEST could be utilized to determine readiness for activity as it was trending towards being discriminator

Open Chain VS Closed Chain Exercises One of the biggest differences between calisthenics and traditional weightlifting is that calisthenic exercises are ALWAYS closed chain movements. Where as most traditional weightlifting exercises (bench press, flys, shoulder press) are all open chain exercises. Closed chain exercises mean the limbs are fixed and the body is moving through space. Think pushups: the hands and feet are on the floor and your moving your entire body up and down each rep. Whereas