The effect of temporary blood flow restriction on muscle strength decline after high-intensity exercise in jiu-jitsu athletes.

Effects of local ischemic pre-conditioning on the decrease in isometric muscle function induced by repeated isokinetic muscle contraction in Jiu-Jitsu athletes

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0012201

Enrollment

Registered

2026-06-30

Start date

2026-07-01

Completion date

Unknown

Last updated

2026-07-13

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

Conditions

None listed

Interventions

Others(Ischemic Preconditioning) : This study utilizes a randomized crossover design, where all participants (N=14) undergo both the 'Local Ischemic Preconditioning (Local IPC)' condition and the 'Sha

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Professional Brazilian Jiu-Jitsu athletes in their 20s or 30s registered with the Jiu-Jitsu Association of Korea. 2. No history of musculoskeletal disorders within the last 12 months. 3. Currently free of any musculoskeletal disorders. 4. At least 5 years of training experience.

Exclusion criteria

Exclusion criteria: 1. Diagnosed with chronic diseases or regularly taking medication. 2. Resting systolic blood pressure = 140 mmHg or diastolic blood pressure = 90 mmHg. 3. History of injury within the last 2 weeks. 4. Persistent pain and functional limitation lasting more than 2 weeks due to a recent injury.

Design outcomes

Primary

Measure	Time frame
Isometric muscle function (Peak torque during maximal voluntary contraction and Mean torque during 70% MVC)	—

Secondary

Measure	Time frame
Muscle activity during isometric contraction (RMS_MVC, RMS_MVC70, %MVC);Muscle oxygenation during isometric contraction (oxhb, dxhb, tohb, StO2);Metabolites after isometric contraction (Blood lactate level, pH, HCO3?);Muscle function during repetitive isokinetic contraction (Average power, Total work)	—

Countries

Korea, Republic of

Contacts

Public ContactHyuk Han

Konkuk University

hanhyuk13@naver.com+82-2-917-9225

Outcome results