Biomechanical Characteristics of Lower Extremity During Pinnacle Trainer With Different Pedal Angles

NCT05688566 | Completed

• 1 other identifier: 111-356
• Study Type: interventional
• Target: 18
• Locations: 1 country
• Sites: 1

Brief Summary

To investigate the effects of pedal degree on the biomechanical characteristics of the healthy adults' lower limbs during stepping on the pinnacle trainer.The purpose of this study are compare the biomechanical characteristics of low limbs at different angle of pedal during stepping on Pinnacle trainer. The investigators hope to provide this outcome to therapists can make the rehabilitation training more effective and delay the disease progression of KOA patients.

Conditions

Healthy Adult

Keywords

biomechanical characteristics of lower extremity; Pinnacle trainer; pedal angles

Outcome Measures

Primary Outcomes (2)

• lower limb movement

  A three-dimensional motion capture system with eight digital cameras (Osprey, Motion Analysis Corporation, USA) was used to collect the data of low limb motion. The sampling rate was set at 200 Hz. Reflective markers (10 mm in diameter) will be attached on the participant's skin at the positions with regards to Modified Helen-Hayes marker set.

  2 hours

• kinetics of lower limb

  Two six-axis force and torque transducers (Mini85, ATI Industrial Automation, USA) with a sampling rate of 1000 Hz were placed under the pedals of the pinnacle trainer.

  2 hours

Study Arms (3)

zero condition

EXPERIMENTAL

Then the pedal angle is the angle between the lowest pedal position and the floor. The zero condition is 0 ˚of pedal angle.Participants were asked to step with the consistent cadence at 60 steps/ min by the metronome.Three successful trials will be collected for each condition. Fifteen seconds of data will be collected for each trial.

Device: pinnacle trainer

eversion codition

ACTIVE COMPARATOR

Then the pedal angle is the angle between the lowest pedal position and the floor. The eversion condition is -10 ˚of pedal angle.Participants were asked to step with the consistent cadence at 60 steps/ min by the metronome.Three successful trials will be collected for each condition. Fifteen seconds of data will be collected for each trial.

Device: pinnacle trainer

inversion condition

ACTIVE COMPARATOR

Then the pedal angle is the angle between the lowest pedal position and the floor. The inversion condition is +10 ˚of pedal angle.Participants were asked to step with the consistent cadence at 60 steps/ min by the metronome.Three successful trials will be collected for each condition. Fifteen seconds of data will be collected for each trial.

Device: pinnacle trainer

Interventions

pinnacle trainer DEVICE

The pinnacle trainer (S776MA, SportsArt, Taiwan) was used in this study.

eversion codition; inversion condition; zero condition

Eligibility Criteria

• Age: 20 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• years old above
• Able to perform regular exercise
• Able to understand Chinese or Taiwanese language
• Healthy adult (no skeletal muscle, neurological disease, normal BMI (18.5≦BMI\<25.0), and no disease that will affect training.

You may not qualify if:

• Having illness or diseases that cannot perform physical exercise
• Having any kinds of chronic disease that might be more activated by performing Pinnacle training such as cardiovascular diseases, chronic respiratory diseases, osteoporosis, etc.
• Having chronic diseases that cannot perform Pinnacle training according to the experimental protocols such as blindness, deafness and hearing impairment, etc.

Sponsors & Collaborators

• National Cheng-Kung University Hospital: lead

Study Sites (1)

National Cheng Kung University

Tainan, Taiwan

Location

Related Publications (16)

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Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Masking Details: The subject already knows the angle of the pedal when he steps on the pedal, because there are only three angles.
• Purpose: PREVENTION
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Distinguished Professor

Model Details: Then the pedal angle are inversion 10 ˚,0 ˚, eversion 10˚. Participants stepped on the Pinnacle trainer under three angle levels, namely inversion 10 ˚,0 ˚, eversion 10˚.

Study Record Dates

• First Submitted: December 25, 2022
• First Posted: January 18, 2023
• Study Start: July 1, 2022
• Primary Completion: December 26, 2022
• Study Completion: January 15, 2023
• Last Updated: January 18, 2023

Record last verified: 2023-01

Data Sharing

• IPD Sharing: Will not share

Locations

TW (1)