Relationship between achilles tendon mechanical properties and gastrocnemius muscle function

C. L. Trestik, R. L. Lieber

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

Strain was measured along the length of frog (Rana pipiens) gastrocnemius muscle-tendon units (MTU). Maximum muscle tension (P0) was measured, and the MTU was passively loaded to 0. Strain at 0 was measured at eight intervals along the tendon and aponeurosis and was approximately two percent for all regions except the aponeurosis region closest to the muscle fibers where it was about six percent. A computer model predicted sarcomere shortening of up to 0.5 μm due to tendon lengthening which demonstrates that tendons provide a more complex physiological function than simply transmitting muscle force to bones.

Original languageEnglish (US)
Pages (from-to)225-230
Number of pages6
JournalJournal of Biomechanical Engineering
Volume115
Issue number3
DOIs
StatePublished - Aug 1993

ASJC Scopus subject areas

  • Biomedical Engineering
  • Physiology (medical)

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