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Chapter-02 Superior Extremity

BOOK TITLE: Surgical Anatomy: A Student’s Manual

Author
1. Mazumdar Sibani
ISBN
9789352701490
DOI
10.5005/jp/books/14241_3
Edition
1/e
Publishing Year
2018
Pages
56
Author Affiliations
1. Calcutta National Medical College, Kolkata, India, Calcutta National Medical College, Kolkata, West Bengal, India, Institute of Postgraduate Medical Education and Research (IPGMEandR), Kolkata, West Bengal, India, Calcutta National Medical College, Kolkata, West Bengal, India
Chapter keywords
Coracoid process, deltoid muscle, biceps brachii muscle, rotator cuff muscle, brachial plexus, axillary nerve, axillary artery, radial artery, clavipectoral fascia, cubital fossa, pulled elbow, surface anatomy

Abstract

This chapter seeks to familiarize the readers with the superior extremity of the human body and covers a brief discussion on Bones, Muscles, Nerves, arteries, and spaces of superior extremity. Coracoid process is an example of atavistic type of epiphysis and is located below the junction of lateral one-fourth and medial three-fourths of the clavicle. Surgical neck of humerus is the narrowest part at the junction of upper end and shaft. Deltoid muscle is the suitable site of intramuscular injection because it is well developed in adults and injection is given the upper part of lower half of the muscle. The biceps brachii muscles fall under the group of the anterior brachial muscles. Supination is turning of palm anteriorly from midprone position as if somebody is taking something. The supinators of forearm are biceps brachii, and supinator. Rotator cuff muscle is a musculotendinous cuff of shoulder joint. The large important brachial plexus is situated partly in the neck and partly in the axilla. Palmaris brevis is a muscle present in the superficial fascia of palm, a part of panniculus carnosus group of muscles. There are 34 questions also given in this chapter along with their crisp and to the point answers. Study of anatomy in relation to body surface is known as surface anatomy. A detailed description on surface anatomy is also covered in this chapter.

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