Correlation Between Cardiopulmonary Metabolic Cost and Lower Limb Muscle Activity

Samsung Medical Center

Status: Completed

Conditions: Gait

Treatments: Other: Inclined treadmill gait

Study type: Interventional

Funder types: Other

Identifiers

NCT04614857

2020-08-147

Details and patient eligibility

About

The purpose of this study was to determine the effect of lower extremity muscle activity on the increase of cardiopulmonary metabolic cost during inclined treadmill gait in the elderly.

Full description

The purpose of this study was to determine the effect of lower extremity muscle activity on the increase of cardiopulmonary metabolic cost during inclined treadmill gait in the elderly.

Metabolic energy expenditure and muscle activity are measured simultaneously.

Enrollment: 24 patients

Sex: All

Ages: 65 to 84 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Between 65 and 84 years elderly without neurological effects
• Ability to independent gait at least 16% inclined treadmill
• High levels of physical performance (SPPB > 7)

Exclusion criteria

• Severe visual impairment or dizziness that increases the risk of falls
• Serious cardiac conditions (hospitalization for myocardial infarction or heart surgery, history of congestive heart failure, documentedserious and unstable cardiac arrhythmias, hypertrophic cardiomyopathy,severe aortic stenosis, angina or dyspnea at rest or during activities ofdaily living)
• Difficult to understand experimental tasks because of extremely severe cognitive impairment
• Recent acute injuries such as fractures within 6 months, or experience in orthopedic surgery such as artificial joint replacement
• Acute injuries such as fractures within 6 months or orthopedic surgery such as artificial joint replacement

Trial design

Primary purpose: Other

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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24 participants in 1 patient group

Inclined treadmill gait

Experimental group

Description:

All subjects underwent measurements of muscle activity and respiratory metabolism energy during treadmill walking at a comfortable speed for 5 minutes and measured by three conditions (#0% inclined treadmill gait, #10% inclined treadmill gait, and #16% inclined treadmill gait)

Treatment:

Other: Inclined treadmill gait