Shoulder Anatomy Joints

Two joints are at the shoulder. The shoulder is one of the largest and most complex joints in the body.

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INTRODUCTION Shoulder joint is formed by scapula and clavicle which is also called as shoulder girdleand proximal humerus.

Shoulder anatomy joints. 26 A subglenoid displacement of the head of the humerus into the quadrangular space can cause damage to the axillary nerve. The shoulder is made up of 3 bones. These two joints work together to allow the arm both to circumduct in a large circle and to rotate around its axis at the shoulder.

The Anatomy of the Shoulder The shoulder is made up of two joints the acromioclavicular joint and the glenohumeral joint. Due to wide range of movement it is also most unstable joint compared to other joints of the bodyHowever a series of complex ligaments and muscle keep it in joint. The shoulder is one of the largest and most complex joints in the body.

It is a ball-and-socket joint formed between the glenoid fossa of scapula gleno- and the head of humerus -humeral. Glenohumeral joint Articulatio glenohumeralis The glenohumeral or shoulder joint is a synovial joint that attaches the upper limb to the axial skeleton. Scapula humerus and clavicle.

The scapula is a large flat and somewhat triangular bone that sits between the humerus upper arm bone and collarbone. Commonly thought of as a single joint the shoulder is actually made up of two separate joints - the glenohumeral and acromioclavicular joints. This is indicated by paralysis of the deltoid muscleand loss of skin sensationover the lower half of the deltoid.

The shoulder joint is the most commonly dislocated large joint. The shoulder joint is the junction between the chest and the upper extremity. This freedom of movement makes the shoulder vulnerable to injury and pain.

The glenohumeral joint is structurally a ball-and-socket joint and functionally is considered a diarthrodial multiaxial joint. The glenohumeral articulation involves the humeral head with the glenoid cavity of the scapula and it represents the major articulation of the shoulder girdle. Rotator cuff muscles supraspinatus infraspinatus teres minor subscapularis deltoid pectoralis major teres major.

The glenohumeral joint is the ball-and-socket junction of the top of the arm bone and the socket of the shoulder blade. The main function of the joints of the shoulder girdle Fig. The shoulder joint glenohumeral joint is a ball and socket joint between the scapula and the humerus.

The shoulder joint also known as the glenohumeral joint is the major joint of the shoulder but can more broadly include the acromioclavicular joint. This ring is continuous with the tendon of the biceps brachii above. The shoulder joint is made up of several structures including.

It is the major joint connecting the upper limb to the trunk. It has the greatest range of motion of any joint in the body. 1 is to move the arm and hand into almost any position in rela-tion to the body.

The shoulder bones include the scapula shoulder blade humerus upper arm bone and clavicle collarbone. The shoulder joint glenohumeral joint is a ball and socket joint between the scapula and the humerus. In human anatomy the shoulder joint comprises the part of the body where the humerus attaches to the scapula and the head sits in the glenoid cavity.

The shoulder joint is a ball and socket joint between the scapula and the humerusHowever the socket of the glenoid cavity of the scapula is itself quite shallow and is made deeper by the addition of the glenoid labrumThe glenoid labrum is a ring of cartilaginous fibre attached to the circumference of the cavity. The shoulder joint is formed where the humerus upper arm bone fits into the scapula shoulder blade like a ball and. It is one of the most mobile joints in the human body at the cost of joint stability.

Surface anatomy land marks Joint structures Ligaments and tendons Relations muscles and nerves Blood supply Bursae around shoulder joint Range of movements Applied anatomy. As a consequence the shoulder joint is highly mobile where stability takes second place to mobility as is evident from the shape of the osseous structures. There are four joints making up the shoulder joint.

Anatomy Shoulder and Upper Limb Glenohumeral Joint. The joints between these bones are flexible and allow for a wide range of motion. The glenohumeral joint is where the ball humeral head and the socket the glenoid meet.

The acromioclavicular joint is where the acromion part of the shoulder blade scapula and the collar bone clavicle meet. The shoulder is a complex joint with many muscles that control the shoulders wide range of motion. Shoulder area include- -gleno humeral -acromio clavicular -scapulo thoracic -sterno clavicular 3.

The scapula shoulder blade. Shoulder anatomy is also made up of separate joints including the acromioclavicular sternoclavicular and glenohumeral joints. The shoulder complex composed of the clavicle scapula and humerus is an intricately designed combination of four joints the Glenohumeral GHJoint the Acromioclavicular AC Jointand the Sternoclavicular SC Joint and a floating joint known as the Scapulothoracic ST joint.

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