Changes in blood flow and oxygen saturation of the calf muscles during and after prolonged stretching as well as during immediately subsequent maximal strength tests - a cross-over intervention study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00035185

Enrollment

Registered

2024-10-04

Start date

2024-11-09

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

Changes in Bloodflow and oxygen saturation in healthy and active individuals

Interventions

Group 1: The stretching interventions include stretching the calf muscles using a splint/orthosis. During this, the participant sits with a straight back and a 90° hip angle on a chair and places the

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Desease and injury free for at least 6 months, resistance training for at least twice a week

Exclusion criteria

Exclusion criteria: acute diseases, current medication

Design outcomes

Primary

Measure	Time frame
Bloodflow measured by optometric measurement system before during and after the intervention	—

Secondary

Measure	Time frame
Oxygen saturation measured by optometric measurement system before during and after the intervention	—

Countries

Germany

Contacts

Public ContactTobias Schmidt

Medicalschool Hamburg

tobias.schmidt@medicalschool-hamburg.de+491742698108

Outcome results

None listed

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