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Related Concept Videos

Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Anchoring Junctions01:03

Anchoring Junctions

Anchoring junctions are multiprotein complexes that help cells connect to other cells and the extracellular matrix. Anchoring junctions are present on the lateral and basal surfaces of cells, providing strong and flexible connections. Focal adhesions are often formed due to cell interactions with the ECM substrata, which initiate signal transduction via kinase cascades and other mechanisms. Together, they provide stability and tissue integrity. There are three types of anchoring junctions:...
Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...

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Related Experiment Video

Updated: Jul 19, 2026

Knotless Independent Double-Row Repair and Biceps Augmentation for Anterosuperior Rotator Cuff Tears
05:25

Knotless Independent Double-Row Repair and Biceps Augmentation for Anterosuperior Rotator Cuff Tears

Published on: January 23, 2026

Sutures and suture anchors--update 2006.

F Alan Barber1, Morley A Herbert, David A Coons

  • 1Plano Orthopedic and Sports Medicine Center, Plano, Texas 75093, USA. knees2do@aol.com

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|October 10, 2006
PubMed
Summary

Newer suture anchors and sutures demonstrate improved strength compared to older braided polyester sutures. Metal and screw-type anchors generally outperform biodegradable and non-screw designs, offering surgeons stronger options.

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Last Updated: Jul 19, 2026

Knotless Independent Double-Row Repair and Biceps Augmentation for Anterosuperior Rotator Cuff Tears
05:25

Knotless Independent Double-Row Repair and Biceps Augmentation for Anterosuperior Rotator Cuff Tears

Published on: January 23, 2026

Area of Science:

  • Orthopedic biomechanics
  • Biomaterials science
  • Surgical device engineering

Background:

  • Sutures and suture anchors are critical for soft tissue fixation in orthopedic procedures.
  • Advancements in material science have led to the introduction of new suture and anchor designs.
  • Understanding the mechanical properties of these new devices is essential for clinical application.

Purpose of the Study:

  • To evaluate the single pull load to failure strength and failure modes of recently introduced suture anchors and sutures.
  • To compare the mechanical performance of various suture anchor designs and materials.
  • To assess the tensile strength of novel suture materials.

Main Methods:

  • Suture anchors were tested using tensile loads to failure on porcine bone models (cortex and cancellous troughs).
  • An Instron machine applied loads at a standardized rate (12.5 mm/sec) until failure, recording mean failure strengths and modes.
  • Various suture anchors and suture materials were subjected to established load to failure testing protocols.

Main Results:

  • Suture anchors exhibited a wide range of mean failure loads, with some reaching over 800 N (e.g., Herculon).
  • Metal anchors and screw-type designs generally demonstrated higher load to failure values compared to biodegradable and non-screw anchors.
  • Newer suture materials showed improved tensile strengths, with values ranging from 92 N to over 300 N.

Conclusions:

  • Newer suture products offer significant improvements in load to failure compared to traditional braided polyester sutures.
  • Metal anchors and screw-type designs provide superior strength over biodegradable and non-screw anchors.
  • Surgeons now have access to a variety of high-strength suture options and well-performing new anchors.