Connective Tissue of Pectoralis Major Muscle: Anatomical Study

NCT06441903 | Completed

• 1 other identifier: 2024/02
• Study Type: observational
• Target: 46
• Locations: 1 country
• Sites: 1

Brief Summary

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.

Conditions

Tendon Injury - Upper Limb

Keywords

Anterior Deltoid Tendon; Anterior Lamina Pectoralis Major; Posterior Lamina Pectoralis Major; Pectoralis Major Tendon; Ultrasound; Deep Fascia Pectoralis Major; Delto Pectoral Tendon

Outcome Measures

Primary Outcomes (1)

• Ultrasound visualization of Delto Pectoral Tendon

  Day 1

Secondary Outcomes (5)

• 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

• 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

Study Arms (1)

Adults with no history of pectoralis major

Other: Ultrasound

Interventions

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.

Also known as: Shoulder ultrasound with focus on pectoralis major muscle connective skeleton and distal tendon

Adults with no history of pectoralis major

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

Adults with no history of pectoralis major and consulting for a musculoskeletal pathology of the upper limb

You may qualify if:

• Patient \> 18 years,
• Consultation for a musculoskeletal pathology of the upper limb

You may not qualify if:

• History of pathology of the pectoralis major or of the distal tendon of the pectoralis major
• Pregnant or breastfeeding women
• Patient under protection of the adults (guardianship, curators or safeguard of justice)
• Unable to understand
• Opposition by the patient

Sponsors & Collaborators

• CMC Ambroise Paré: lead

Study Sites (1)

Ambroise Paré - Hartmann Private Hospital Group

Neuilly-sur-Seine, Île-de-France Region, 92200, France

Location

Related Publications (1)

• 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.

  PMID: 40402442 RESULT

MeSH Terms

Interventions

High-Energy Shock Waves

Intervention Hierarchy (Ancestors)

Ultrasonic Waves; Sound; Radiation, Nonionizing; Radiation; Physical Phenomena

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: May 29, 2024
• First Posted: June 4, 2024
• Study Start: July 11, 2024
• Primary Completion: September 19, 2024
• Study Completion: September 19, 2024
• Last Updated: April 8, 2026

Record last verified: 2026-04

Data Sharing

• IPD Sharing: Will not share

Locations

FR (1)