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

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02606942

Enrollment

Registered

2015-11-17

Start date

2016-01-31

Completion date

2017-12-31

Last updated

2016-01-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cartilage Diseases, Chondromalacia

Keywords

chondromalacia patellae (CMP), patella

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.

Interventions

OTHERQuestionnaires, physical exam, US of the knee

Function and pain questioners, physical findings and sonographic study of the knee joint

Study design

Observational model

CASE_CONTROL

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

FEMALE

Age

14 Years to 16 Years

Healthy volunteers

Yes

Inclusion criteria

Group A - Dancers with knee injury: 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

Design outcomes

Primary

Measure	Time frame	Description
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

Measure	Time frame	Description
Visual Analog Score for pain	1 hour	VAS score for pain
Function questionnaire	1 hour	Questionnaire regarding athletic/dancing activities

Countries

Israel

Contacts

Primary ContactNili Steinberg, DR

knopp@wincol.ac.il

Backup ContactItzhak Siev-Ner

zivner@netvision.net.il

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026