Y-shaped axillary arch muscle: A case report

Ravindra Swamy Shanthakumar, Naveen Kumar, Satheesha Nayak Badagabettu, Deepthinath Reghunathan, Jyothsna Patil

Research output: Contribution to journalArticle

Abstract

The axillary arch is a rudimentary part of the latissimus dorsi. Generally it has a single insertion either into tendon of the pectoralis major, coracobrachialis or fascia over the biceps. Clinically, this anomalous muscular slip is known to cause neurovascular compression of nearby structures. The present case reports an unusual bifurcated fibrous insertion of an axillary arch with Y-shaped limbs. The stem of this muscle was a fleshy belly measuring 7.8 cm. The upper limb of this muscle, measuring 5.6 cm, was attached to the fascia covering the short head of biceps brachii and the coracoid process while its lower limb, measuring 5.1 cm, ended by merging with the brachial fascia over the biceps brachii below the deltoid muscle. The persistence of such a Y-shaped anomalous axillary arch might restrict the hyperabduction of the arm and compress the neurovascular structures passing below it.

Original languageEnglish
Pages (from-to)191-193
Number of pages3
JournalProceedings of Singapore Healthcare
Volume25
Issue number3
DOIs
Publication statusPublished - 2016

Fingerprint

Fascia
Muscles
Arm
Deltoid Muscle
Superficial Back Muscles
Upper Extremity
Tendons
Lower Extremity
Extremities

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

@article{9910c0cebb214399adfb354a9721e6a8,
title = "Y-shaped axillary arch muscle: A case report",
abstract = "The axillary arch is a rudimentary part of the latissimus dorsi. Generally it has a single insertion either into tendon of the pectoralis major, coracobrachialis or fascia over the biceps. Clinically, this anomalous muscular slip is known to cause neurovascular compression of nearby structures. The present case reports an unusual bifurcated fibrous insertion of an axillary arch with Y-shaped limbs. The stem of this muscle was a fleshy belly measuring 7.8 cm. The upper limb of this muscle, measuring 5.6 cm, was attached to the fascia covering the short head of biceps brachii and the coracoid process while its lower limb, measuring 5.1 cm, ended by merging with the brachial fascia over the biceps brachii below the deltoid muscle. The persistence of such a Y-shaped anomalous axillary arch might restrict the hyperabduction of the arm and compress the neurovascular structures passing below it.",
author = "Shanthakumar, {Ravindra Swamy} and Naveen Kumar and Badagabettu, {Satheesha Nayak} and Deepthinath Reghunathan and Jyothsna Patil",
year = "2016",
doi = "10.1177/2010105816633246",
language = "English",
volume = "25",
pages = "191--193",
journal = "Proceedings of Singapore Healthcare",
issn = "2010-1058",
publisher = "SingHealth Academy",
number = "3",

}

Y-shaped axillary arch muscle : A case report. / Shanthakumar, Ravindra Swamy; Kumar, Naveen; Badagabettu, Satheesha Nayak; Reghunathan, Deepthinath; Patil, Jyothsna.

In: Proceedings of Singapore Healthcare, Vol. 25, No. 3, 2016, p. 191-193.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Y-shaped axillary arch muscle

T2 - A case report

AU - Shanthakumar, Ravindra Swamy

AU - Kumar, Naveen

AU - Badagabettu, Satheesha Nayak

AU - Reghunathan, Deepthinath

AU - Patil, Jyothsna

PY - 2016

Y1 - 2016

N2 - The axillary arch is a rudimentary part of the latissimus dorsi. Generally it has a single insertion either into tendon of the pectoralis major, coracobrachialis or fascia over the biceps. Clinically, this anomalous muscular slip is known to cause neurovascular compression of nearby structures. The present case reports an unusual bifurcated fibrous insertion of an axillary arch with Y-shaped limbs. The stem of this muscle was a fleshy belly measuring 7.8 cm. The upper limb of this muscle, measuring 5.6 cm, was attached to the fascia covering the short head of biceps brachii and the coracoid process while its lower limb, measuring 5.1 cm, ended by merging with the brachial fascia over the biceps brachii below the deltoid muscle. The persistence of such a Y-shaped anomalous axillary arch might restrict the hyperabduction of the arm and compress the neurovascular structures passing below it.

AB - The axillary arch is a rudimentary part of the latissimus dorsi. Generally it has a single insertion either into tendon of the pectoralis major, coracobrachialis or fascia over the biceps. Clinically, this anomalous muscular slip is known to cause neurovascular compression of nearby structures. The present case reports an unusual bifurcated fibrous insertion of an axillary arch with Y-shaped limbs. The stem of this muscle was a fleshy belly measuring 7.8 cm. The upper limb of this muscle, measuring 5.6 cm, was attached to the fascia covering the short head of biceps brachii and the coracoid process while its lower limb, measuring 5.1 cm, ended by merging with the brachial fascia over the biceps brachii below the deltoid muscle. The persistence of such a Y-shaped anomalous axillary arch might restrict the hyperabduction of the arm and compress the neurovascular structures passing below it.

UR - http://www.scopus.com/inward/record.url?scp=84986243937&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84986243937&partnerID=8YFLogxK

U2 - 10.1177/2010105816633246

DO - 10.1177/2010105816633246

M3 - Article

AN - SCOPUS:84986243937

VL - 25

SP - 191

EP - 193

JO - Proceedings of Singapore Healthcare

JF - Proceedings of Singapore Healthcare

SN - 2010-1058

IS - 3

ER -