assessment of the musculoskeletal system will be performed twice a year, for three years of young dancers
Objectives: To examine musculoskeletal system characteristics in female dancers with and without scoliosis throughout the pubertal period, and to evaluate the effect of a targeted preventive exercise program. Methods: Up to 140 female dancers aged 11-16 will be recruited for a two-phase study: Phase A: a two-year longitudinal study with four assessment time points. . At each time point, participants will complete a comprehensive assessment including: anthropometric measurements (height and weight), sexual maturation status (Tanner scale), scoliosis assessment (Adam's forward bend test, scoliometer measurements, Scoliosis Research Society-22 questionnaire), bone strength (quantitative ultrasound using a Speed of Sound \[SOS\] device), abdominal and back muscle morphology (ultrasound imaging), hip muscle strength (handheld dynamometry), hip range of motion (goniometry), dynamic balance (Y Balance Test), and flexibility (Beighton score). In addition, participants will complete a demographic questionnaire and an injury surveillance questionnaire. Phase B : an intervention study in which dancers with scoliosis will be randomly assigned to either a three-month targeted exercise program or a control group continuing regular training. Outcomes will be assessed post-intervention and at one-year follow-up.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
SINGLE
Enrollment
140
exercise for strengthening core muscles
Haifa University, Department of PHysical Therapy
Haifa, Israel
RECRUITINGultrasound for muscle thickness
ultrasound assessment of back and abdominal muscles in rest and contraction - thickness in mm
Time frame: baseline, twice a year for 2 years
muscle strength test
hand held dynamometer assessment hip muscles
Time frame: baseline, twice a year for 2 years
range of motion
goniometer assessment for lower extremities joints
Time frame: baseline, twice a year for 2 years
bone strength
tibia bone strength assessment using Sunlight MiniOmni Ultrasound Bone Sonometer
Time frame: baseline, twice a year for 2 years
maturation status
Tanner scale 0-5 scale. higher score represent greater maturation status
Time frame: baseline, twice a year for 2 years
scoliosis
Adam's tests and scoliometer
Time frame: baseline, twice a year for 2 years
flexibility
Beighton score. 0-9 scale when higher score represent hyper flexibility
Time frame: baseline, twice a year for 2 years
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