Electromyostimulation induced increase of the cramp treshold frequency - dose-response relationship of a novel prevention concept

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00005712

Enrollment

Registered

2014-02-17

Start date

2014-03-03

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

Healthy Volunteers R25.2

Interventions

Group 1: Stimulation of calf muscles in shortened muscle position by use of electromyostimulation (2 times over a period of 2 weeks). Group 2: Control group without stimulation

Eligibility

Sex/Gender

Male

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Male sport students between 18 and 40 years

Exclusion criteria

Exclusion criteria: Any injuries of the musculosceletal system of the lower extremities within the last six months prior to the study and any cardiiovascular diseases

Design outcomes

Primary

Measure	Time frame
Measuring the minimal electrical stimulation frequency that induces a muscle cramp (CTF) of the m. gastrocnemius medialis before, and daily after the training intervention for one week	—

Secondary

Measure	Time frame
Collecting venous blood samples for analysing muscle damage marker	—

Countries

Germany

Contacts

Public ContactMichael Behringer

Institut für Trainingswissenschaft und SportinformatikDeutsche Sporthochschule Köln

behringer@dshs-koeln.de+49(0)221 4982-3620

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026