The main chest muscle's tendon has two layers—one in front and one in back—and that might affect how it tears and how doctors fix it in surgery.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Complete Rupture of the Pectoralis Major Tendon: Comparison of Magnetic Resonance Imaging and Intraoperative Images

Narrative Review

2015 Jun

The study shows that the chest muscle tendon really does have two layers, which supports the idea that this structure could affect how it tears and is fixed in surgery.

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Complete Rupture of the Pectoralis Major Tendon: Comparison of Magnetic Resonance Imaging and Intraoperative Images

Score: 1

DOI: 10.1016/j.pmrj.2015.01.021

Similar Assertions

In dead bodies, the big chest muscle's tendon has two layers—one in front and one in back. The front layer is longer, and they join together at the bottom, which might affect how doctors fix it in surgery and how it handles force.

26

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76%

In dead bodies, the big chest muscle's tendon has two layers—one in front and one in back. The front layer is longer, and they join together at the bottom, which might affect how the tendon works and how well it heals after injury.

26

0

76%