Status:

COMPLETED

Parameters of Exercise to Prevent Osteoporosis

Lead Sponsor:

University of Michigan

Collaborating Sponsors:

University of Wisconsin, La Crosse

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Conditions:

Osteoporosis, Postmenopausal

Eligibility:

FEMALE

50-65 years

Phase:

NA

Brief Summary

The principal goal of this study is to determine parameters of walking in terms of peak mechanical vertical force, bout duration, and bout spacing that can preserve or increase bone mineral density (B...

Detailed Description

A. Hypotheses and specific aims: Specific aim 1. Measure plasma concentrations of anabolic hormones (parathyroid hormone (PTH) and growth hormone (GH), at sufficient frequency to define the area unde...

Eligibility Criteria

Inclusion

  • Age 50 to 65 years if naturally post-menopausal, or age 47 if surgically postmenopausal
  • Dual energy X-ray absorptiometry (DEXA) Z score above -1
  • No endocrine or metabolic disease requiring medication except for hormonally corrected hypothyroidism
  • No musculo-skeletal disabilities that would preclude treadmill walking
  • Normal electrocardiogram (EKG) and heart health history
  • BMI between 24 and 30
  • Hematocrit above 32 %
  • No hormone replacement therapy (HRT)
  • Personal health provider's Release Letter

Exclusion

  • Age and BMI outside of the specified range
  • Z score below -1
  • Medication for presence of metabolic or endocrine disease
  • Musculo-skeletal disabilities that would preclude treadmill walking
  • Abnormal electrocardiogram (EKG) and heart health history
  • Hematocrit below 32%
  • Hormone replacement therapy
  • Failure to conform to study protocol

Key Trial Info

Start Date :

May 15 2007

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 19 2010

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT04063813

Start Date

May 15 2007

End Date

August 19 2010

Last Update

August 21 2019

Active Locations (1)

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Michigan Clinical Research Unit United States

Ann Arbor, Michigan, United States, 48109