Sonographic Evaluation of Injuries to the Pectoralis Muscles

Rehman, Aliyah; Robinson, Philip

doi:10.2214/ajr.184.4.01841205

Cited by 24 publications

(23 citation statements)

References 9 publications

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“…Wolfe et al (1992) based their muscular divisions (clavicular, manubrial, and abdominal) on tendon morphology, where each muscle division contributed to one layer of a trilaminar tendon. An in vivo sonographic study by Rehman and Robinson (2005) supported the presence of the three divisions of the PM muscle described by Wolfe et al (1992). On the other hand, Ashley (1952) and Lewis (1901) used the muscle belly to delineate segments.…”

Section: Muscle Morphologysupporting

confidence: 57%

“…Cadaveric and imaging studies have been inconsistent in their descriptions of the tendinous and muscular architecture (Tables 1-2). Imaging studies have also been limited in their ability to distinguish details of normal pectoral structures (Carrino et al, 2000;Lee et al, 2000;Rehman and Robinson, 2005;Weaver et al, 2005). The present study used muscle modeling technologies to obtain digitized data from individual fiber bundles and tendon to reconstruct a 3D model of the entire PM.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Three‐dimensional study of pectoralis major muscle and tendon architecture

Fung¹,

Wong²,

Ravichandiran³

et al. 2009

Clinical Anatomy

104

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A thorough understanding of the normal structural anatomy of the pectoralis major (PM) is of paramount importance in the planning of PM tendon transfers or repairs following traumatic PM tears. However, there is little consensus regarding the complex musculotendinous architecture of the PM in the anatomic or surgical literature. The purpose of this study is to model and quantify the three-dimensional architecture of the pectoralis muscle and tendon. Eleven formalin embalmed cadaveric specimens were examined: five (2M/3F) were serially dissected, digitized, and modeled in 3D using Autodesk Maya; six (4M/2F) were dissected and photographed. The PM tendon consisted of longer anterior and shorter posterior layers that were continuous inferiorly. The muscle belly consisted of an architecturally uniform clavicular head (CH) and a segmented sternal head (SH) with 6-7 segments. The most inferior SH segment in all specimens was found to fold anteriorly forming a trough that cradled the inferior aspect of the adjacent superior segment. No twisting of either the PM muscle or tendon was noted. Within the CH, the fiber bundle lengths (FBL) were found to increase from superior to inferior, whereas the mean FBLs of SH were greatest in segments 3-5 found centrally. The mean lateral pennation angle was greater in the CH (29.4 +/- 6.9 degrees ) than in the SH (20.6 +/- 2.7 degrees ). The application of these findings could form the basis of future studies to optimize surgical planning and functional recovery of repair/reconstruction procedures.

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Section: Muscle Morphologysupporting

confidence: 57%

Section: Discussionmentioning

confidence: 99%

Three‐dimensional study of pectoralis major muscle and tendon architecture

Fung¹,

Wong²,

Ravichandiran³

et al. 2009

Clinical Anatomy

104

View full text Add to dashboard Cite

show abstract

“…The clavicular and costosternal head insert at the lateral lip of the bicipital groove of the humerus (Rehman and Robinson 2005 ) in two layers: a 2 mm anterior tendon layer which is continuous caudally with the posterior 2 mm tendon layer (ElMaraghy and Devereaux 2012 ).…”

Section: Pectoralis Major Muscle Rupturementioning

confidence: 99%

Radiologic Imaging of Chest Injuries

Barendregt

Maas

2015

Nuclear Medicine and Radiologic Imaging in Sports Injuries

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Chest pain is seldom a complaint of athletes. However sports injuries to the chest can be painful and life-threatening. Therefore it is important to choose the most reliable imaging modality to support the clinical diagnosis in the athlete with chest pain. In this chapter the role of radiology in various sports-related chest injuries is described, from the rarely described (but commonly diagnosed) costochondritis and sternal fractures to the more common rib fractures. The chest injury itself will be addressed fi rst and then followed by the appropriate imaging modality and radiologic fi ndings and characteristics. Traumatic as well as overuse injuries to the chest will be discussed. Emphasis will also be placed on ruling out any life-threatening complications by selecting the right imaging modality.

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“…Thus, the shoulder surgeon (JPW) referred the patient for an ultrasound, which was performed by the senior author (NBJ with assistance from JN for interpretation) to assess the integrity of the pectoralis major muscle at eleven months postoperatively. The ultrasound protocol was based on Rehman et al 3 . The patient was placed in a supine position.…”

Section: Case Descriptionmentioning

confidence: 99%

Ultrasound of the Pectoralis Major Muscle After Reverse Shoulder Arthroplasty

Mascarinas

Newman

Warner

et al. 2014

American Journal of Physical Medicine &Amp; Rehabilitation

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Only a few reports exist in the literature for sonographic assessment of the pectoralis major muscle. We present a case of pectoralis major muscle atrophy as a cause of persistent internal rotation weakness diagnosed via ultrasound in a patient with multiple prior surgeries and contraindication to MRI due to a shoulder implant. This patient’s physical examination suggested an abnormal contour of the pectoralis major muscle on contraction, so he was referred for diagnostic ultrasound. The ultrasound was key to guiding the management of this patient since a surgical repair of a torn pectoralis major muscle was planned if this was found. No pectoralis major tear or rupture was seen on ultrasound, but there was evidence of pectoralis major muscle atrophy. Accordingly, surgery was avoided and the patient was able to continue with his physical therapy program.

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Sonographic Evaluation of Injuries to the Pectoralis Muscles

Abstract: Sonography provides dynamic high-resolution imaging for the diagnosis and grading of injuries to the pectoralis muscles.

Cited by 24 publications

References 9 publications

Three‐dimensional study of pectoralis major muscle and tendon architecture

Three‐dimensional study of pectoralis major muscle and tendon architecture

Radiologic Imaging of Chest Injuries

Ultrasound of the Pectoralis Major Muscle After Reverse Shoulder Arthroplasty

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