Association Between Isokinetic Lower Extremity Muscle Strength and Bone Mineral Density in Elderly Women With and Without Osteoporosis

Cairo University70 enrolled

Overview

bone density and muscle strength appear to be more related to each other. Examining the association between muscle strength and bone health is very important in recognizing risk factors for lower extremity muscle weakness.

Dual Energy X-ray Absorptiometry (DEXA) scan will be used to assess hip bone mineral density (BMD) at femoral head region. Isokinetic PT of hip flexors, extensors, abductors and adductors and knee flexors and extensors will be measured using Biodex System 3 Isokinetic Dynamometer. The measured outcomes will be evaluated at an angular velocity of 60°/sec in a concentric mode of muscle contraction for five successive repetitions. Isokinetic testing will be done at the Isokinetic Laboratory, Faculty of Physical therapy, Cairo University.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Osteoporosis

Interventions

correlational analysis between BMD and isokinetic lower extremity strengthOTHER

correlational analysis between BMD and isokinetic lower extremity strength

Eligibility

Sex: FEMALEMin age: 50 YearsMax age: 70 Years

Medical Language ↔ Plain English

Inclusion Criteria: 1. The group of OP (n=33) has femoral BMD T-scores below -2.5 diagnosed by DEXA scan according to the WHO \[8\] classification of BMD in 2003, 2. The control group has normal BMD T-scores more than -1. Exclusion Criteria: 1. There was any neurological, musculoskeletal, rheumatologic, respiratory or cardiovascular problem. 2. They were receiving medications that result in bone loss such as corticosteroids, 3. They had vertigo, dizziness, or any vestibular problem, 4. They had hyperthyroidism or hyperparathyroidism. 6- They actively participate in sports activities, 5. They underwent previous surgery (e.g; joint replacement) or history of fractures of the lower extremity.

Locations (1)

Azza Mohammed

Giza, Egypt

Outcomes

Primary Outcomes

isokinetic strength of hip muscles

isokinetic hip muscle stregth will be measured using Biodex system 3 Isokinetic Dynamometer

Time frame: one month

Bone mineral density

bone mineral density measured by dual energy x ray absorptiometry scan

Time frame: one month

Secondary Outcomes

isokinetic strength of knee muscles

isokinetic hip muscle stregth will be measured using Biodex system 3 Isokinetic Dynamometer

Time frame: one month

Data from ClinicalTrials.gov

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