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The delto-pectoral tendon (DPT) is a new tendon recently identified. It completes the insertion of the pectoralis major and perfectly explains the different injuries encountered.
The objective of this observational study is to visualize this new tendon, the DPT, using ultrasound, to measure it, to characterize its role in the overall architecture of the pectoralis major muscle and to analyze its relationship with its main tendon and the anterior and posterior laminae.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adults with no history of pectoralis major |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrasound | Other | Through systematic ultrasound visualization of the pectoralis major muscle, we seek to directly visualize and characterize the different intra- and extra-muscular connective structures of the muscle - Delto Pectoral Tendon (DPT) , Distal Pectoralis Major Tendon (PMT), Anterior Deltoid Tendon (ADT), Anterior Pretendinous Lamina of the Pectoralis Major (ALPM), Posterior Pretendinous Lamina of the Pectoralis Major (PLPM) and Deep Fascia of the Pectoral Major (DFPM) - constituting its connective skeleton, with particular attention to its distal portion near the humerus and on the search for this DPT tendon. |
| Measure | Description | Time Frame |
|---|---|---|
| Ultrasound visualization of Delto Pectoral Tendon | Day 1 |
| Measure | Description | Time Frame |
|---|---|---|
| Measurement of DPT by ultrasonography (height, length and thickness in mm) | Day 1 | |
| Measurement of ADT by ultrasonography (height, length and thickness in mm) | Day 1 | |
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Inclusion Criteria:
Exclusion Criteria:
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Adults with no history of pectoralis major and consulting for a musculoskeletal pathology of the upper limb
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ambroise Paré - Hartmann Private Hospital Group | Neuilly-sur-Seine | Île-de-France Region | 92200 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40402442 | Result | Guiu R, Martinel V, Lapegue F, Tankeng LT, Werthel JD, Schlur C. Ultrasound assessment of the distal pectoralis major: identification of two distinct tendons. J Ultrasound. 2025 Sep;28(3):599-609. doi: 10.1007/s40477-025-01026-7. Epub 2025 May 22. |
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| ID | Term |
|---|---|
| D019220 | High-Energy Shock Waves |
| ID | Term |
|---|---|
| D000069453 | Ultrasonic Waves |
| D013016 | Sound |
| D011840 | Radiation, Nonionizing |
| D011827 | Radiation |
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|
|
| Measurement of PMT by ultrasonography (height, length and thickness in mm) |
| Day 1 |
| Measurement of the distances in mm between the PMT humeral insertion and the different connective structures: ADT, DPT, ALPM, PLPM and DFPM | Day 1 |
| Ultrasound visualization of the clavicular and sternal portions of the pectoralis major. | Day 1 |
| D055585 |
| Physical Phenomena |