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Literature DB >> 2583169

Effect of disuse on the ultrastructure of the achilles tendon in rats.

Y Nakagawa¹, M Totsuka, T Sato, Y Fukuda, K Hirota.

Abstract

We examined the influence exerted, through disuse of the hindlimb, on the collagen fibres of the achilles tendon in rats. With disuse the body mass decreased by 28%, and the mass of soleus muscle decreased by 20%. A decrease in the surface area and diameter was observed in the experimental group when compared to the control group. A histogram of the collagen fibres showed a decrease of the thick fibres in the experimental group. The maximum surface area of collagen fibres in the experimental group was seen to be only 43% of that of the control group. These results showed a decrease in the thickness of the collagen fibres of the achilles tendon through disuse. This seemed to suggest that resistance to tension is decreased by disuse.

Entities: Species

Mesh：

Substances：
Collagen

Year: 1989 PMID： 2583169 DOI： 10.1007/bf02386194

Source DB: PubMed Journal: Eur J Appl Physiol Occup Physiol ISSN： 0301-5548

14 in total

1. An experimental study of joint stiffness.

Authors: W H AKESON
Journal: J Bone Joint Surg Am Date: 1961-10 Impact factor: 5.284

2. Ligamentous strength measurements from hypophysectomized rats.

Authors: C M Tipton; T K Tcheng; W Mergner
Journal: Am J Physiol Date: 1971-10

3. Biomechanics of ligament failure. II. An analysis of immobilization, exercise, and reconditioning effects in primates.

Authors: F R Noyes; P J Torvik; W B Hyde; J L DeLucas
Journal: J Bone Joint Surg Am Date: 1974-10 Impact factor: 5.284

10. Changes in gene expression of individual matrix metalloproteinases differ in response to mechanical unloading of tendon fascicles in explant culture.

Authors: Diane R Leigh; Eduardo L Abreu; Kathleen A Derwin
Journal: J Orthop Res Date: 2008-10 Impact factor: 3.494

Effect of disuse on the ultrastructure of the achilles tendon in rats.

1. An experimental study of joint stiffness.

2. Ligamentous strength measurements from hypophysectomized rats.

3. Biomechanics of ligament failure. II. An analysis of immobilization, exercise, and reconditioning effects in primates.

4. Influence of physical activity on ligament insertions in the knees of dogs.

5. Influence of physical activity on the strength of knee ligaments in rats.

6. The effect of immobilization on the vascular bed of tendon.

7. Structural and functional responses to prolonged hindlimb suspension in rat muscle.

8. Effects of simulated weightlessness on bone mineral metabolism.

9. Size and metabolic properties of single muscle fibers in rat soleus after hindlimb suspension.

10. Effects of suspension hypokinesia/hypodynamia on rat skeletal muscle.

1. [Structure and behavior of tendons and ligaments].

Review 2. Effects of physical activity on some components of the skeletal system.

3. Structure of retracted tendons after staged repair following continuous traction.

Review 4. Tendon biomechanics and mechanobiology--a minireview of basic concepts and recent advancements.

5. Reduction in tendon elasticity from unloading is unrelated to its hypertrophy.

6. Comparative multi-scale hierarchical structure of the tail, plantaris, and Achilles tendons in the rat.

Review 7. Achilles tendon injuries in athletes.

8. Growth and Remodeling of Load-Bearing Biological Soft Tissues.

9. Changes in stiffness induced by hindlimb suspension in rat soleus muscle.

10. Changes in gene expression of individual matrix metalloproteinases differ in response to mechanical unloading of tendon fascicles in explant culture.