Comparison of Two Protocols for Patellofemoral Pain Syndrome (PFPS)

U

University of Sao Paulo

Status and phase

Completed
Phase 2
Phase 1

Conditions

Patellofemoral Pain Syndrome

Treatments

Other: Stretching Hamstring
Other: Quadriceps Strengthening

Study type

Interventional

Funder types

Other

Identifiers

NCT01691170
USP01

Details and patient eligibility

About

The patellofemoral pain syndrome (PFPS) is defined as a painful complaint in the anterior aspect of the knee, although peripatellar pain and / or retropatellar are also common. In general, conservative treatment is the initial option of choice for patients with PFPS, however, the lack of a specific causal factor makes it difficult to choose the best treatment so early. This way, the purpose of this study is investigate the effects of the quadriceps femoris strengthening versus hamstring stretching in patients with pattellofemoral pain.

Enrollment

20 patients

Sex

All

Ages

18 to 40 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Symptoms of anterior knee pain for at least 1 moth;
  • Average pain level of 3 or more on a 10-cm visual analogue scale during stepping up and down a 25-cm height;
  • Anterior or retropatellar knee pain on at least 2 of the following activities: prolonged sitting, climbing stairs, squatting, running, kneeling, and hopping/jumping;
  • Presence of 2 of the following clinical criteria on assessment: pain during apprehension test, pain during the patellar compression test, and crepitation during the compression test.

Exclusion criteria

  • Previous knee surgery or arthritis;
  • History of patellar dislocation or subluxation, malalignment, or ligament laxity;
  • Patellar tendon pathology or chondral damage;
  • Spinal referred pain;
  • History of other abnormalities such as leg length inequalities (>2 cm);
  • Medication as a part of the treatment;
  • Previous physical therapy or acupuncture treatment for the knee within the previous 30 days.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

20 participants in 2 patient groups

Quadriceps Strengthening
Active Comparator group
Treatment:
Other: Quadriceps Strengthening
Stretching Hamstring
Active Comparator group
Treatment:
Other: Stretching Hamstring

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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