Lower extremity loads stimulate bone formation in the vertebral column

Implications for osteoporosis

David Burr, R. Bruce Martin, Pamela A. Martin

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Senile osteoporosis is a growing national health problem. The purpose of this study was to determine whether loads applied through the lower extremity would stimulate bone formation in the vertebral column, the site of most osteoporotic fractures. Female white New Zealand rabbits were divided into experimental (EG) and control (CG) groups. The right hind leg of the EG was repetitively loaded to 1.5 x body weight, 20 min/day for three weeks; the CG was "sham loaded." Bone formation in both groups was labeled using tetracycline. Labeled osteons, resorption spaces, surface bone formation, and porosity were measured In cross-sections from the right and left tibias and humeri, right femurs, and L6, L1, T12, T1, and C7 vertebrae. This experiment demonstrates that repetitive loading of the lower extremity Increases osteonal bone formation in the vertebral column of rabbits extending at least up to the cervical spine, but not into the forellmbs. This finding supports the concept that exercise involving repetitive loading of the lower limbs (eg, walking) could be used to treat or prevent age-related osteoporotic changes in the vertebrae.

Original languageEnglish (US)
Pages (from-to)681-688
Number of pages8
JournalSpine
Volume8
Issue number7
StatePublished - 1983
Externally publishedYes

Fingerprint

Osteogenesis
Osteoporosis
Lower Extremity
Spine
Haversian System
Rabbits
Osteoporotic Fractures
Porosity
Humerus
Tetracycline
Tibia
Femur
Walking
Leg
Body Weight
Control Groups
Health

Keywords

  • Bone formation
  • Exercise
  • Lower extremity loading
  • Osteoporosis

ASJC Scopus subject areas

  • Clinical Neurology
  • Orthopedics and Sports Medicine
  • Physiology

Cite this

Lower extremity loads stimulate bone formation in the vertebral column : Implications for osteoporosis. / Burr, David; Martin, R. Bruce; Martin, Pamela A.

In: Spine, Vol. 8, No. 7, 1983, p. 681-688.

Research output: Contribution to journalArticle

Burr, D, Martin, RB & Martin, PA 1983, 'Lower extremity loads stimulate bone formation in the vertebral column: Implications for osteoporosis', Spine, vol. 8, no. 7, pp. 681-688.
Burr, David ; Martin, R. Bruce ; Martin, Pamela A. / Lower extremity loads stimulate bone formation in the vertebral column : Implications for osteoporosis. In: Spine. 1983 ; Vol. 8, No. 7. pp. 681-688.
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