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The influence of a new supplement on the cramp threshold

The influence of a new supplement on the cramp threshold

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00009488
Enrollment
24
Registered
2015-12-02
Start date
2015-12-09
Completion date
Unknown
Last updated
2025-10-06

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

Conditions

Healthy subjects R25.2

Interventions

Group 1: Pretest Cramp Threshold Frequency (CTF). The biphasic stimulation pattern ( 5s on 55s off ) is performed by Stim -Pro X9 at 40mA and a rectangular pulse width of 150µs . The CTF - determinati

Sponsors

Institut für Trainingswissenschaft und Sportinformatik
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 30 Years

Inclusion criteria

Inclusion criteria: Male sportstudents between 18 and 30 years.

Exclusion criteria

Exclusion criteria: Injuries of the musculoskeletal System of the lower extremities in the last six month as well as cardiopulmonary symptoms. In addition the participants shouldn't have an hypersensitivity or an allergy against spicy food.

Design outcomes

Primary

MeasureTime frame
The endpoint of the study is the CTF - measurement 24 hours after takin the supplement. At all time points after this taking the change of the CTF of the calf muscles by means of EMG and EMS is to be checked . Before taking the supplement and 15 minutes , 4 , 8 and 24 hours after ingestion of the supplement is the CTF - determination for measuring the minimum stimulation rate , which triggers a spasm in the medial gastrocnemius muscle was measured.

Countries

Germany

Contacts

Public ContactMichael Behringer

Institut für Trainingswissenschaft und Sportinformatik

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

Outcome results

None listed

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