Prevalence of Chondromalacia Patella Among Adolescent Dancers - Correlation Between Symptoms and Sonography Findings

• Conditions: Chondromalacia; Cartilage Diseases
• Interventions: Other: Questionnaires, physical exam, US of the knee

• Registration Number: NCT02606942
• Lead Sponsor: Sheba Medical Center

Brief Summary

Comparing the physical and sonographic findings of dancers with Chondromalacia patella to non-dancers athletes.

Detailed Description

A cross sectional study in which comparing of dancers to non-dancers athletes will be carried. Specifically, chondromalacia patella will be studied and compared between dancers with and without knee injuries and non-dancers athletes.

Study will include detailed function and pain questionnaires, physical findings and sonographic study of the knee joint.

Study Timeline

• Study First Submitted: 2015-11-09
• Study First Submitted QC: 2015-11-16
• Study First Posted: 2015-11-17
• Status Verified: 2016-01
• Study Start: 2016-01
• Last Update Submitted: 2016-01-21
• Last Update Posted: 2016-01-22
• Primary Completion: 2016-07
• Study Completion: 2017-12

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: Female
• Target Recruitment: 90

Inclusion Criteria

1. Min. 3 hours of classic ballet dancing per week
2. At least 4 years of dancing practice
3. Reported knee pain during the last 6 months

Exclusion Criteria

1. Injury other than knee joint

Group B - Dancers without knee injury:

Inclusion Criteria:

1. Min. 3 hours of classic ballet dancing per week
2. At least 4 years of dancing practice
3. Reported no musculoskeletal injury during the last 6 months

Exclusion Criteria:

1. None

Group C - Non-dancers athletes:

Inclusion Criteria:

1. Main physical activity is other than dancing

Exclusion Criteria:

1. Reported no musculoskeletal injury during the last 6 months

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Dancers with knee injury	Questionnaires, physical exam, US of the knee	A cohort of dancers with reported knee injury. Questionnaires, physical exam, US of the knee
Non-dancers athletes	Questionnaires, physical exam, US of the knee	A cohort of non-dancers athletes without knee injuries. Questionnaires, physical exam, US of the knee
Dancers with no knee injury	Questionnaires, physical exam, US of the knee	A cohort of dancers without reported knee injury. Questionnaires, physical exam, US of the knee

Primary Outcome Measures

Name	Time	Method
Physical evaluation	1 hour	Knee range of motion, ligament stability, hypermobility, patella grinding and inhibition test
US - sonographic study of the knee evaluation patellar, tibial and trochlear	1 hour	a sonographic study of the knee evaluating patellar, tibial and trochlear cartilage

Secondary Outcome Measures

Name	Time	Method
Visual Analog Score for pain	1 hour	VAS score for pain
Function questionnaire	1 hour	Questionnaire regarding athletic/dancing activities

Trial Locations

Locations (1)

Department of Orthopedic Rehabilitation, Sheba Medical Center; 🇮🇱 Ramat Gan, Israel