Dose-response relationship of eletrically induced muscle cramps of the musculus gastrocenmius on the cramp threshold frequency (CTF)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00005713

Enrollment

Registered

2014-02-19

Start date

2014-02-17

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 Volunteer R25.2

Interventions

Group 1: During one week, two interventions are executed on the musculus gastrocemius medialis and lateralis of one leg. Calf muscles are eletrically stimulated in shortened (plantar flexion) position

Eligibility

Sex/Gender

Male

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: Healthy, male sports students, 18 and 35 years old

Exclusion criteria

Exclusion criteria: Injuries of the musculoskeletal system of the lower extremities during the last six months before commencement of the study, as well as cardiopulmonary illnesses.

Design outcomes

Primary

Measure	Time frame
Determination of the temporal changes of the Cramp Threshold Frequency, both, during the intervention phase and post-intervention. The follow-up meassurements are performed every 2-3 days until the Cramp Threshold Frequency has returned to its individual pre-test value, or until 3 weeks after the last training session.	—

Countries

Germany

Contacts

Public ContactVolker Spieth

Institut für Trainingswissenschaft und Sportinformatik Deutsche Sporthochschule Köln

v.spieth at dshs-koeln.de+49(0)221 4982-6075

Outcome results

None listed

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