Reliability and validity of isokinetic knee exercise with a modified NK table

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20140626002

Enrollment

Registered

2014-06-26

Start date

2014-12-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

30 Healthy volunteers isokinetic exercise concentric exercise knee qudriceps hamstrings

Interventions

knee extensor isokinetic concentric exercise with the Contrex machine,knee extensor isokinetic concentric exercise with the modified NK table machine

Active Comparator Device,Active Comparator Device

Contrex,Modified NK table

Eligibility

Sex/Gender

All

Age

20 Years to 50 Years

Inclusion criteria

Inclusion criteria: 30 Healthy volunteers in medical faculty will be recruited

Exclusion criteria

Exclusion criteria: Knee pain History of knee injury Neurological disease involving knee Orthopedic disease involving knee Prior exercise 48 hours before the test date

Design outcomes

Primary

Measure	Time frame
peak torque Newton metre,average torque Newton metre,percentage of maximum voluntary contraction Percent	—

Secondary

Measure	Time frame
pain during exercise VAS,End-of-study survey questions answers or comments in the survey questions	—

Contacts

Public ContactPiyawat Srisawatnupap

Medicine faculty, Prince of songkhla university

psrisawatnupap@gmail.com081-202-6463

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026