Anatomical study of the articular branch of the lateral pectoral nerve to the shoulder joint

Nam, Yong Seok; Panchal, Karnav; Kim, In‐Beom; Ji, Jong‐Hun; Park, Min-Gyu; Park, Sung-Ryeoll

doi:10.1007/s00167-015-3703-8

Cited by 26 publications

(25 citation statements)

References 45 publications

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“…[1][2][3][4] Innervation of the GHJ can be divided into anterior and posterior innervation from articular branches of the suprascapular nerve (SN) (posterior-lateral), axillary nerve (AN) (anterior-lateral, inferior, and posterior-lateral), and lateral pectoral nerve (LPN) (anteriorsuperior). 5,6 These nerves also provide substantial motor innervation. Considering the burden of shoulder pain worldwide, the potential to provide nerve blocks and neuroablative treatments with minimal weakness warrants serious consideration.…”

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confidence: 99%

“…[6][7][8][9] The LPN has gained attention for chest wall and postmastectomy pain 10 but is underrecognized as a contributor to shoulder structures. Anatomical studies describe the LPN originating from C5-7 nerve roots, supplying innervation to the skin over the subacromial bursa, 5,11 muscular innervation of the pectoralis major and deltoid muscles, 5 and intra-articular innervation to the ACJ 3,4 and anterior GHJ. 5,6,11 Innervation of the ACJ and GHJ via articular branches of the LPN has potential for peripheral nerve blockade, 5,6 similar to AN and SN blocks.…”

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confidence: 99%

“…Anatomical studies describe the LPN originating from C5-7 nerve roots, supplying innervation to the skin over the subacromial bursa, 5,11 muscular innervation of the pectoralis major and deltoid muscles, 5 and intra-articular innervation to the ACJ 3,4 and anterior GHJ. 5,6,11 Innervation of the ACJ and GHJ via articular branches of the LPN has potential for peripheral nerve blockade, 5,6 similar to AN and SN blocks. [5][6][7] The AN originates from the posterior cord of the brachial plexus, dividing into anterior and posterior branches in the quadrangular space.…”

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confidence: 99%

“…5,6,11 Innervation of the ACJ and GHJ via articular branches of the LPN has potential for peripheral nerve blockade, 5,6 similar to AN and SN blocks. [5][6][7] The AN originates from the posterior cord of the brachial plexus, dividing into anterior and posterior branches in the quadrangular space. 12 The nerve then innervates the deltoid muscle, teres minor muscle, shoulder joint capsule, and inferior GHJ, with its superior-lateral brachial cutaneous branch providing sensation over the deltoid muscle.…”

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confidence: 99%

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Cadaveric Study of the Articular Branches of the Shoulder Joint

Eckmann

Bickelhaupt

Fehl

et al. 2017

Regional Anesthesia and Pain Medicine

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Cadaveric Study of the Articular Branches of the Shoulder Joint

Eckmann

Bickelhaupt

Fehl

et al. 2017

Regional Anesthesia and Pain Medicine

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“…The key landmarks identified include the coracoid process, midpoint between the suprascapular and spinoglenoid notches, rim of the anterior glenoid fossa, and acromial branch of the thoracoacromial artery. In previous studies, Nam et al 15 reported the course of the articular branch from LPN in relation to the coracoid process and coracoclavicular ligament,15 and Eckmann et al 16 related the articular branches of SSN, LPN and AN to the spine of scapula, thoracoacromial artery and head of humerus, respectively 16…”

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Anatomical study of the innervation of glenohumeral and acromioclavicular joint capsules: implications for image-guided intervention

Tran

Peng

Agur

2019

Reg Anesth Pain Med

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Background and objectivesIn 2011, chronic shoulder joint pain was reported by 18.7 million Americans. Image-guided radiofrequency ablation has emerged as an alternative intervention to manage chronic shoulder joint pain. To optimize the effectiveness of shoulder denervation, it requires a detailed understanding of the nerve supply to the glenohumeral and acromioclavicular joints relative to landmarks visible with image guidance. The purpose of this cadaveric study was to determine the origin, course, relationships to bony landmarks, and frequency of articular branches innervating the glenohumeral and acromioclavicular joints.MethodsFifteen cadaveric specimens were meticulously dissected. The origin, course, and termination of articular branches supplying the glenohumeral and acromioclavicular joints were documented. The frequency of each branch was determined and used to generate a frequency map that included their relationships to bony and soft tissue landmarks.ResultsIn all specimens, the posterosuperior quadrant of the glenohumeral joint was supplied by suprascapular nerve; posteroinferior by posterior division of axillary nerve; anterosuperior by superior nerve to subscapularis; and anteroinferior by main trunk of axillary nerve. Less frequent innervation was found from lateral pectoral nerve and posterior cord. The acromioclavicular joint was found to be innervated by the lateral pectoral and acromial branch of suprascapular nerves in all specimens. Bony and soft tissue landmarks were identified to localize each nerve.ConclusionsThe frequency map of the articular branches supplying the glenohumeral and acromioclavicular joints, as well as their relationship to bony and soft tissue landmarks, provide an anatomical foundation to develop novel shoulder denervation and perioperative pain management protocols.

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Innervation of the human sternoclavicular joint

Emura,

Nitta,

Arakawa

2024

Clinical Anatomy

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The sternoclavicular joint (SCJ) functions as the basal joint of the entire upper limb and must move in the proper pattern for normal scapular motion. Afferent sensations from joints, such as proprioception and pain sensation, are important for maintaining the proper motion and condition of joints. Detailed anatomical data are useful for discussing injuries or surgeries that impair the afferent nerve to the SCJ. Nerve branches to SCJs were examined on 12 sides, and the subclavian nerve was investigated on six sides to clarify whether it innervates this joint. On seven of the 12 sides, the SCJ was innervated by two nerves, (1) a branch from the medial supraclavicular nerve that ran medially along the clavicle and (2) a branch from the lateral pectoral nerve that innervated the clavicular head and upper part of the sternocostal head of the pectoralis major. This branch ran medially behind the clavicular head of the pectoralis major and reached the SCJ. In the remaining five sides, the SCJ was innervated solely by the branch from the medial supraclavicular nerve. Subclavian nerves ended within the subclavius muscle or periosteum of the clavicle and were separate from the SCJs. Our data on the route of nerve branches to the SCJ suggest that injury or surgery, such as clavicle fracture or resection of the clavicular head of the pectoralis major for myocutaneous flap transfer, can impair the SCJ's afferent nerve supply.

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Anatomical study of the articular branch of the lateral pectoral nerve to the shoulder joint

Cited by 26 publications

References 45 publications

Cadaveric Study of the Articular Branches of the Shoulder Joint

Cadaveric Study of the Articular Branches of the Shoulder Joint

Anatomical study of the innervation of glenohumeral and acromioclavicular joint capsules: implications for image-guided intervention

Innervation of the human sternoclavicular joint

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