Scapula bones and surface anatomy of upper limb online. Choose from 500 different sets of scapula flashcards on quizlet. Explore and learn about the scapula with our 3d interactive anatomy atlas. The bones pdf class videos for anatomy and environmental.
Edited into printable pieces with the help of cbonsigs excelle. Pdf scapulothoracic anatomy and snapping scapula syndrome. Extremity, upper arm welcome to embodi3d downloads. Scapula acromion process coracoid process humerus head of humerus greater tubercle bicipital groove lesser tubercle glenoid fossa the shoulder is movable due to flexible fibrous joints between the scapula and clavicle and bony support is minimal. There are only three muscles that are responsible for enabling the movement of. In anatomy, the scapula plural scapulae or scapulas, also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus upper arm bone with the clavicle collar bone. Bd chaurasiya human anatomy volume 1 pdf upper limb and thorax this book covers a vast portion of the upper body anatomy. As understanding of the shoulder and surrounding structures has increased it has become well accepted that the scapula plays several roles in facilitating optimal shoulder complex function when scapulohumeral anatomy and biomechanics interact to produce efficient movement. The humerus is the largest bone of the upper extremity and defines the human brachium arm.
The scapula is also called the shoulder blade, and the quiz and worksheet pairing will assess your understanding of the scapula s anatomy. At about 120 of abduction of the arm, the greater tuberosity of the humerus comes into contact with the acromion. Separately to muscle weakness, scapula winging can occur as the result of nerve or muscle damage to those supporting and supplying the scapula and its motion. The intrinsic muscles of the scapula include the muscles of the rotator cuffthe subscapularis, teres minor, supraspinatus, and. Muscles attachment of scapula by medicaladda youtube. The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion. In this article, we shall look at the anatomy of the scapula its bony landmarks, articulations and clinical.
The flattened triangular portion spans from the second to the seventh rib and consists of three borders superior, lateral, and medial and three angles superior, inferior, and lateral. Scapula, either of two large bones of the shoulder girdle in vertebrates. It forms the medial boundary of the great scapular notch, which serves to connect the supra and infraspinatous fossae. The scapula articulates with the clavicle through the acromion process, a large projection located superiorly on the scapula forming the acromioclavicular joint. Weakness in the serratus anterior can sometimes occur due to damage to the long thoracic nerve that supplies the serratus anterior muscle. The shoulder blade is a flat bone with three anglesthe upper superior, bottom inferior and lateral glenoid angle and three bordersthe superior, lateral axillary and medial vertebral border picture 3. A scapulas posterior surface is crossed obliquely by a prominent ridge, the spine, which divides the bone into two. Anatomy of the shoulder joint three bones, the collarbone clavicle, the shoulder blade scapula, and the upper arm bone humerus come together to form the shoulder. Easy to remember muscles attachment of individual muscles either originated or inserted from scapula.
The scapula also articulates with the humerus of the upper arm to form the shoulder. It connects the humerus bone of the arm to the collarbone. Knowledge of how the scapular muscles influence function at the shoulder builds a strong foundation for the clinician to develop rehabilitation programs for the shoulder. Scapula shoulder blade anatomy, muscles, location, function. These include the scapular spine, acromion process. The scapula, better known as the shoulder blade, is a triangular bone that serves as a joining force between the clavicle and the humerus. It comprises of highly detailed and wellversed chapters on the bones of upper limbs as well as the pectoral region, scapular region, the forearm and the anatomy of the hand, joints of upper limbs and so on. The scapula is commonly referred to as the shoulder blade. The shoulder girdle composed of the scapula and clavicle and pelvic girdle are the two points in the body where the axial and the appendicular skeletons meet. It articulates proximally with the glenoid via the glenohumeral gh joint, and distally with the. The scapula is an important bone as each scapula provides a point of attachment for a number of muscles that make up the arm and shoulder. The region where the dsn crosses the superior border of the rm was shown to be the greatest danger zone of this technique, with a mean distance to the scapula of 1. Gross anatomy surface anatomyanatomy that we can see at the surface of the body everyday life regional anatomycomplete anatomy internal of a specific region of the body learning every blood vessel, muscle, bones, etc.
Pdf anatomical basics and variations of the scapula in turkish. In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs. The scapula is highly mobile and comprises of four parts. If a client demonstrates severe scapula winging, or. Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of. The shoulder blade is a flat bone with three anglesthe upper superior, bottom inferior and lateral glenoid angle and three bordersthe superior, lateral axillary and medial vertebral border picture 3 on the back side of the shoulder blade, at about twothirds of its height, a bony ridge called the. Because of this a muscle group called the rotator cuff as well as other muscles are the. In anatomy, the scapula also known as the shoulder bone, shoulder blade, wing bone or blade. The scapula, or shoulder blade, is a flat, triangular bone located to the posterior of the shoulder. Feb 23, 2017 ninja nerds, join us in this video where we discuss the anatomy of the scapula through the use of a model. It maintains the shoulder in a functional position with the axial skeleton and allows varied arm positions in shoulder anatomy. Observe the muscles that are visible trapezius muscle acromion of scapula deltoid muscle teres major muscle teres minor muscle inferior angle of scapula lateral head of triceps.
The role of the scapula in the rehabilitation of shoulder injuries. This is the largest and fastest growing library of 3d printable medical models generated from real medical scans on the internet. Dec 17, 2018 the humerus is the largest bone of the upper extremity and defines the human brachium arm. The main part of the scapula, the body, consists of a somewhat triangularshaped flat blade, with an inferiorly. The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to. The role of the scapula in the rehabilitation of shoulder. The scapula is also called the shoulder blade, and the quiz and worksheet pairing will assess your understanding of the scapulas anatomy. Discuss the muscles attached to the scapula and clavicle and their function. For every 3 of abduction of the arm, a 2 abduction occurs in the shoulder joint and a 1 abduction occurs by rotation of the scapula. Mar 23, 2015 the scapula is commonly referred to as the shoulder blade. Scapular region scapular region surface anatomy figure 17.
May 12, 2020 the scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral shoulder girdle which connects the upper limb of the appendicular skeleton to the axial skeleton. The ventral surface of the scapula abuts the thoracic rib cage. The scapular muscles must dynamically position the glenoid so that efficient glenohumeral movement can occur. Describe the normal motions of both the sternoclavicular, acromioclavicular, and scapulothoracic joints. Choose from 500 different sets of muscle attachments scapula flashcards on quizlet. Learn muscle attachments scapula with free interactive flashcards. Using pilates to strengthen and stabilise a winging scapula. The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral shoulder girdle which connects the upper limb of the appendicular skeleton to the axial skeleton. This research wants to focus on the ones responsible for the scapulas stabilization. The scapula is a large, flat, triangular bone with three prominent projections. Powered by create your own unique website with customizable templates. The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven.
Anatomy, thorax, scapula statpearls ncbi bookshelf. Ninja nerds, join us in this video where we discuss the anatomy of the scapula through the use of a model. Coverage of the muscle attachments to these landmarks is in the muscles section. This bone is located posteriorly on the back half of the body. Anatomy anatomy of the shoulder see online here the shoulder is the region of the body that connects the upper limb with the trunk. Right posterior view of the scapular region of a young male. Trapezius is a large paired surface muscle that extends longitudinally from. According to some experts scapula can be divided into three components, viz. Pdf to analyze the anatomical basis of the scapula, acromion, os acromiale, coracoid process, coracoacromial arch, and glenoid cavity in turkish. It has three borders superior, lateral, medial, three angles superior, lateral, medial and two surfaces costal, dorsal. The scapula or shoulder blade is a flat, triangularshaped bone that lies adjacent to the posterior surface of ribs 27. Pdf the scapula or shoulder blade is the bone that connects the clavicle to the humerus. Muscles stabilizing pectoral girdle muscles of the upper limb.
1347 529 617 437 1017 143 604 927 178 767 392 1319 101 789 1251 229 839 1143 370 838 134 731 1376 1088 1118 614 118 1475 506 471 736 392 1518 1531 170 648 929 1529 96 389 1305 735 1167 908 832 147 52 536 423