Bone and Non-contractile Soft Tissue Changes Following Open Kinetic Chain Resistance Training and Testosterone Treatment in Spinal Cord Injury: an Exploratory Study

Overview

Journal Osteoporos Int

Specialties Endocrinology
Orthopedics

Date 2021 Jan 14

PMID 33443609

Citations 11

Authors

M E Holman

G Chang

M P Ghatas

P K Saha

X Zhang

M R Khan

A P Sima

R A Adler

A S Gorgey

Affiliations

Soon will be listed here.

Abstract

Introduction: Persons with SCI experience bone loss below the level of injury. The combined effects of resistance training and TT on bone quality following SCI remain unknown.

Methods: Men with SCI were randomized into 16-week treatments receiving TT or TT + RT. Magnetic resonance imaging (MRI) of the right lower extremity before participation and post-intervention was used to visualize the proximal, middle, and distal femoral shaft, the quadriceps tendon, and the intermuscular fascia of the quadriceps. For the TT + RT group, MRI microarchitecture techniques were utilized to elucidate trabecular changes around the knee. Individual mixed models were used to estimate effect sizes.

Results: Twenty participants completed the pilot trial. A small effect for yellow marrow in the distal femur was indicated as increases following TT and decreases following TT + RT were observed. Another small effect was observed as the TT + RT group displayed greater increases in intermuscular fascia length than the TT arm. Distal femur trabecular changes for the TT + RT group were generally small in effect (decreased trabecular thickness variability, spacing, and spacing variability; increased network area). Medium effects were generally observed in the proximal tibia (increased plate width, trabecular thickness, and network area; decreased trabecular spacing and spacing variability).

Conclusions: This pilot suggests longer TT + RT interventions may be a viable rehabilitation technique to combat bone loss following SCI.

Clinical Trial Registration: Registered with clinicaltrials.gov : NCT01652040 (07/27/2012).

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