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Table 1 Summary of the measurements during the different phases of the KHAST

From: A prospective cohort study identifying risk factors for shoulder injuries in adolescent elite handball players: the Karolinska Handball Study (KHAST) study protocol

Phase

Measurements

Equipment/tools

Baseline (September 2014 and 2015)

Gender. Match and training exposure, injury history, handball level, playing position, athletic identity.

Shoulder ROM, stability, strength and JPS. Neck control. Trunk mobility. Scapular dyskinesis.

Modified OSTRC overuse injury questionnaire

Fahlström’s questionnaire

AIMS questionnaire

KHAST test protocol

Follow-up September 2014 to May 2015 and September 2015 to May 2016

Weekly reports on injuries and training and game load.

Modified OSTRC overuse injury questionnaire

Follow-up on subgroup September 2014 to May 2015 and September 2015 to May 2016

Weekly reports on injuries and training and game load.

Bi-monthly measurements; Shoulder ROM, stability, strength and JPS. Neck control. Trunk mobility. Scapular dyskinesis.

Modified OSTRC overuse injury questionnaire

KHAST test protocol

Follow-up once every semester 2014–2018

Physical profile including; bench press, deep squats, Cooper’s test, 10 and 20-m sprint, squat jumps, CMJ, hand grip strength, clean lifts, chins, dips, weight and height.

Handgrip dynamometer, timing gates, measuring tape, scale and gym equipment

  1. AIMS Athletic Identity Measurement Score, CMJ Counter movement jumps, JPS Joint position sense, KHAST The Karolinska Handball Study, OSTRC Oslo Sports Trauma Research Center, ROM range of motion