- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03793595
O2 Consumption and Heart Rate Response to Battle Rope Exercise Protocol Versus UE Arm Bike Test in Adults With SCI
Oxygen Consumption and Heart Rate Response to Battle Rope Exercise Protocol Versus Upper Extremity Arm Bike Test in Adults With Spinal Cord Injury
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- Subjects will be scheduled for the first testing session after informed consent is obtained.
- Subjects will fill out PAR-Q+ to determine readiness for exercise testing
- Subjects will fill out additional Questionnaire to determine exclusion based on medical history
- Prior to the physical performance tests, each participant will be fitted with a mask that covers their face. This mask will be attached to a portable metabolic analyzer (Cosmed k5b). This device collects the air expired which allows for energy expenditure to be estimated.
- Each participant will be fitted with the proper sized mask that is connected to a small computer and power source supported at their upper back.
- A polar heart rate strap monitor will be worn around the chest. As the participant performs the physical performance tests, the Cosmed K5b measures the amount of carbon dioxide and oxygen from each breath to estimate the amount of energy expended during this task.
Session one:
- Prior to beginning the testing, testing procedure will be explained to participants
- Subjects blood pressure will be measured, and if a subject's average systolic or diastolic blood pressure exceeds 140 or 90 mmHg, respectively, the subject will be asked to return another day to perform the study procedures. If the blood pressure remains elevated on either one of these measures, the subject will be excused from this study.
- Subjects will then perform either the upper extremity cycling protocol or battle ropes protocol first. The other will be performed on the subsequent testing date
If the subject is performing the upper extremity arm cycle test:
Each subject will perform a modified version of the ramped YMCA cycle test using a Upper Extremity Cycle Ergometer and a portable metabolic cart
- The ramped version of the YMCA cycle test will begin with the subject cycling at a workload of 25 watts at a rate of 60 revolutions per minute (rpm) using a metronome set at 120 beats per minute.
- Each subject will pedal for 3-minute warm-up period at the 10 watts with the 60 rpm rate. After the 3-minute warm-up, the workload will increase by 10 watts each minute starting at 25 watts at pedal rate of 60 rpm until the subjects meets the termination criteria as described below.
- The portable metabolic cart is an instrument that measures levels of expired gases from the subject as he or she exercises that will be analyzed and displayed on a computer monitor. The subject will wear a face mask during the test. A Polar® heart rate monitor will be worn on the chest, directly on the skin of each subject to obtain heart rate measurements.
The goal is for the participant to perform the ramped exercise test using the protocol described above and below until one or more of the following occurs, at which time the test will be terminated: the participant requests the test to be stopped, a respiratory exchange ratio of >1.0 is achieved, or one of the following physiologic and/or subjective signs/symptoms are present:
- i. A drop in systolic blood pressure >10 mmHg with the increasing work load
- ii.An increase in systolic and/or diastolic blood pressure >250 mmHg or 115 mmHg, respectively.
- iii.Reported chest or arm pain (angina)
- iv.Severe shortness of breath, cyanosis, pallor, lightheadedness, dizziness or confusion
- v.No increase in heart rate despite increase in work load
- vi.Complaints of severe fatigue
- vii.The subject is unable to maintain a pedal rate of 50 rpm
- viii.Borg 6-20 Perceived exertion scale score >=20
- The subjects heart rate will be recorded at the last 15-30 seconds of each minute during the test.
- Each subject's blood pressure will be taken before the test commences, every three minutes during the test and once the test procedure is terminated.
- The Borg 6-20 perceived exertion scale will be used to monitor the participant's rating of perceived exertion every three minutes during the test. If at any time during the test, the subject rates his or her perceived level of exertion at a level of 20, the test will be terminated.
- Session two: will occur at least three days after session one.
If the subject is performing the sitting battling rope:
- a. A 10 to 15-minute demonstration will be provided to each subject on the proper use of the battling ropes using the double arm swing technique
b. A 30 foot,1.5-inch diameter rope that will be anchored to a large weight
c. Each subject will position him/herself in their manual wheelchair with feet flat on the floor or foot rests at shoulder width apart.
- d. The subject's manual wheelchair will be secured using dumbbells and weights as pictured below
e. A 3-minute warm up period will be given to each subject prior to the exercise protocol
f. The subject will be fitted with a face mask attached to the metabolic cart as described previously.
g. On command, each subject will begin swinging the rope as previously described in the seated position using the double arm swing technique for 15 seconds at a cadence of 100 beats/ minutes with a 45 second rest break repeated 10 times.
h. At each rest break, the subject will be asked to rate his/her levels of exertion using the Borg 6-20 as described previously.
- i. If a subject cannot complete the double arm rope swing at the required cadence or if the rope does not undulate through the entire length of the rope towards the anchor point, or if the subject requests to stop, the protocol will be terminated.
Reusable Mask cleaning procedure, performed following each participant
- a. the following parts must be 1) rinsed with warm soapy water, 2) soaked in CITADEX solution 15 minutes, 3) rinsed with cool running water again, 4) laid out to dry:
- b. Turbine (fan tube)
- c. Flowmeter seal (black plastic cone ring)
- d. Flowmeter cap (tan circle with black and silver emblem on it)
- e. Face mask (blue plastic inserted vertically to avoid air pockets on interior)
After each use, the following parts must be wiped down with baby wipes and at the end of the day must be soaked in soapy water for 10 minutes then wrung out and laid out to dry:
- a. Head strap
- b. Polar monitor strap
- c. After each use, the following must be wiped with a disinfectant wipe:
- d. Polar hear monitor
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Wayne A Brewer, PhD
- Phone Number: 713-794-2074
- Email: wbrewer@twu.edu
Study Locations
-
-
Texas
-
Houston, Texas, United States, 77030
- Recruiting
- Texas Woman's University
-
Contact:
- Wayne A Brewer, PhD
- Phone Number: 713-794-2074
- Email: wbrewer@twu.edu
-
Principal Investigator:
- Wayne Brewer, PhD, MPH
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Spinal cord lesion T2 or below
- Individuals with spinal cord injury for greater than six months
- Utilize manual wheelchair for greater than 10 hours a day
Exclusion Criteria:
- Current complaints of spinal, lower extremity or upper extremity pain or musculoskeletal disorder that prevents the subject from performing repetitive upper extremity cycling or grasping and swinging the weighted ropes against the floor
- A current diagnosis of a chronic or acute cardiovascular, metabolic, renal or pulmonary disease including use of a pacemaker
- Anyone currently taking beta blocker medication
- Anyone with blood pressure >140/90 at the time of testing or with in the 2 weeks prior to testing
- Diagnosed sickle cell disease or sickle cell trait
- Severe spasticity or joint contracture preventing subject from performing upper extremity cycling or swinging of weighted ropes
- Subjects with current decubital ulcers
- History of autonomic dysreflexia in the last 6 months
- Require physician follow-up prior to starting exercise based on PAR-Q+ questionnaire
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Seated Battle Ropes Protocol
|
Participants will begin swinging the rope as previously described in the seated position using the double arm swing technique for 15 seconds at a cadence of 100 beats/ minutes with a 45 second rest break repeated 10 times.
|
ACTIVE_COMPARATOR: Seated Upper Extremity Arm Bike
|
A modified Young Men's Christian Association (YMCA) cycle test will be performed.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cardiorespiratory fitness as assessed by maximum oxygen uptake (VO2max)
Time Frame: about 10-15 minutes after start of the protocol
|
VO2max will be measured using a portable metabolic cart (Cosmed k5b).
|
about 10-15 minutes after start of the protocol
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Heart Rate
Time Frame: about 10-15 minutes after start of the protocol
|
about 10-15 minutes after start of the protocol
|
|
Rate of perceived exertion as assessed by the Borg 6-20 Perceived exertion scale
Time Frame: about 10-15 minutes after start of the protocol
|
The Borg 6-20 Perceived exertion scale score ranges from 6-20, higher score indicates a worse outcome.
|
about 10-15 minutes after start of the protocol
|
Blood pressure
Time Frame: about 10-15 minutes after start of the protocol
|
about 10-15 minutes after start of the protocol
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRB-FY2019-34
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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