Relationship Between Achilles Tendon Mechanical Properties and Gastrocnemius Muscle Function

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 P0. Strain at P0 was measured at eight intervals along the tendon and aponeurosis and was approximately two percent for a...

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Bibliographic Details
Published in:Journal of biomechanical engineering 1993-08, Vol.115 (3), p.225-230
Main Authors: Trestik, C. L, Lieber, R. L
Format: Article
Language:English
Subjects:
Achilles Tendon - anatomy & histology
Achilles Tendon - physiology
Animals
Biological and medical sciences
Biomechanical Phenomena
Compliance
Computer Simulation
Evaluation Studies as Topic
Fundamental and applied biological sciences. Psychology
Models, Biological
Muscle Contraction - physiology
Muscles - anatomy & histology
Muscles - physiology
Rana pipiens
Sarcomeres - physiology
Space life sciences
Stress, Mechanical
Striated muscle. Tendons
Tensile Strength
Vertebrates: osteoarticular system, musculoskeletal system
Weight-Bearing
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Summary: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 P0. Strain at P0 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.
ISSN:0148-0731
1528-8951
DOI:10.1115/1.2895479