The effectiveness of quadriceps strengthening with and without blood flow restriction in the treatment of knee cap pain (patellofemoral pain)

Not Applicable

Active, not recruiting

• Conditions: Patellofemoral pain; Musculoskeletal - Other muscular and skeletal disorders; Physical Medicine / Rehabilitation - Physiotherapy

• Registration Number: ACTRN12614001164684
• Lead Sponsor: achlan Giles

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2014-11-06
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Active, not recruiting
• Sex: All
• Target Recruitment: 70

Inclusion Criteria

Pain at the front of the knee for 8 weeks or longer
Atraumatic onset of symptoms
Pain with any two of running, squatting, prolonged sitting, jumping, kneeling.

Exclusion Criteria

Knee ligament injury, knee surgery, dislocation/subluxation Inflammatory arthritis
Participated in strengthening exercises with leg weights for longer than 4 weeks in the past 6 months.

Cardiovascular conditions, including high blood pressure (>140/90), diabetes, unexplained chest pain or heart condition, fainting or dizzy spells during physical activity/exercise that causes loss of balance, pregnancy or other contra-indications to exercise.

Conditions affecting blood flow or blood clotting

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Patellofemoral pain (VAS), worst pain in the past week. 100mm scale.<br>[4, 8, and 24 weeks.];Nil[4, 8 and 24 weeks.];Kujala anterior knee pain scale- measures of patellofemoral pain and function.[4, 8 and 24 weeks]

Secondary Outcome Measures

Name	Time	Method
Quadriceps muscle size- measured with real time ultrasound as muscle thickness (cm) at the mid thigh and distal thigh.[0 and 8 weeks];Isometric quadriceps muscle strength measured with a Humac Dynamometer at 60 degrees of flexion.[0 and 8 weeks];Global rating of change in pain, rated as 1. Much worse, 2. Worse, 3. Same, 4. Improved, 5. Much Improved[24 weeks];Patellofemoral pain with daily activity (VAS). Worst pain with squatting, stairs, or prolonged sitting on a 100mm scale.[4, 8, and 24 weeks]