Effects of Exercise and Electrical Muscle Stimulation on Pain, Disability, Knee Kinematic and Lower Extremity Performance in Handball Athletes Suffering Patellofemoral Pain Syndrome

Effects of Exercise and Electrical Muscle Stimulation on Pain, Disability, Knee Kinematic and Lower Extremity Performance in Handball Athletes Suffering Patellofemoral Pain Syndrome - Effects of Exercise and Electrical Muscle Stimulation on Pain, Disability, Knee Kinematic and Lower Extremity Performance in Handball Athletes Suffering Patellofemoral Pain Syndrome

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000047921

Enrollment

Registered

2022-06-02

Start date

2021-10-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

pretesr-posttest

Interventions

exercise with EMS exercise without EMS

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: symptoms of anterior knee pain for at least one month; (2) average pain level of four or more on a 10-cm visual analogue scale during squatting; and (3) presence of two of the following clinical criteria on assessment: pain during apprehension test, pain during the patellar compression test, and crepitation during the compression test and completing the consent form

Exclusion criteria

Exclusion criteria: any history of knee surgery; (2) history of patellar dislocation or subluxation or ligament laxity; (3) orthopedic and nerve injuries; (4) history of other abnormalities such as leg length inequalities (> 2 cm); and (5) medication as a part of the treatment 50. Participants were also excluded from the study if they underwent other types of therapy, specific work activities, or regular treatments (e.g., stretching, tape, braces, orthoses and/or acupuncture) or if they failed in two consecutive sessions or three non-consecutive sessions, n = 1 male) or if they failed in the post-test phase (n = 1 male)

Design outcomes

Primary

Measure	Time frame
Pain Disability	—

Secondary

Measure	Time frame
Single-Leg Landing Task (Kinematic) Single Leg Hop Test	—

Countries

Asia(except Japan)

Contacts

Public Contactamir letafatkar

Kharazmi University sport medicine

letafatkaramir@yahoo.com00989357465993

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026