The left back and shoulder region includes the glenohumeral joint, the shoulder blade (scapula), the upper section of the thoracic spine with their corresponding ribs, and various muscles, tendons, ligaments and nerves. Pain in the left back and...
The shoulder, or glenohumeral joint, consists of a ball at the head of the humerus, the upper arm bone, and a socket called the glenoid fossa. The ball is two-thirds larger than the shallow socket, a design that makes the shoulder joint the most...
The shoulder joint consists of the humerus, scapula and clavicle, which are attached by a five articulations and a system of muscles, tendons and ligaments. Because the shoulder joint is a ball-and-socket joint and has the highest range of motion...
A standing dumbbell overhead press effectively works out the shoulder joints and elbow to some extent. Trainers mainly participate in this exercise to enhance shoulder strength and core stability. However, as you hold the dumbbell directly above...
Shoulder dislocation is an injury to the glenohumeral joint connecting the humerus bone to the socket of the shoulder blade, called the scapula. No joint in the body allows more motion than the glenohumeral, but this also puts it at a high risk...
Glenohumeral internal rotation deficit, also known as GIRD, is a condition common in baseball pitchers. Repetitive throwing or external rotation puts a significant amount of stress on the humeral head of the shoulder, causing the bones to reshape...
The rotator cuff is the name used for the attachment of the humerus to the scapula at the glenohumeral joint of the shoulder. This joint is a ball-and-socket-type joint that is inherently unstable due to the relatively shallow socket of the...
The glenohumeral joint is where the top of the arm bone (humeral head) meets the glenoid portion of the shoulder blade. The acromioclavicular joint is where the collarbone (clavicle) meets the acromion portion of the shoulder blade. The...
Weight training is beneficial to our minds and bodies, but could lead to serious injuries when done improperly. The shoulder is a vulnerable joint during weight training. Learn how to prevent shoulder pain during weightlifting by understanding the...
Orthopedic surgeons are able to repair some types of shoulder joint damage via a surgical method called arthroscopy. In this technique, a small fiber-optic scope containing a video camera is inserted through a tiny opening into the joint. Slender...
The shoulder is formed by the bulbous head of the humerus and the shallow glenoid fossa to create the glenohumeral joint (GH). In conjunction with glenohumeral joint, the shoulder blade provides extra range of motion for the shoulder. Of all the...
Tightness in the shoulder capsule joint may reduce range of motion and mobility. Exercises designed to increase mobility in the joint can alleviate the tension and allow your shoulders to move freely. The shoulder capsule refers to the ligaments...
A tear to the glenoid labrum of the shoulder generally requires surgery. After surgery, rehabilitation exercises are necessary for healing. Gentle rehab exercises may begin about a week post-surgery, but most restrictions are lifted after around...
The rotator cuff is a group of small muscles originating on a person's shoulder blade. These muscles include the supraspinatus, infraspinatus, subscapularis and teres minor, which insert on the uppermost end of the humerus or arm bone. Repetitive...
Osteoarthritis is the most common type of arthritis -- a condition that affects your joints and may cause joint pain, reduced joint range of motion and joint degeneration. The National Health Service of the United Kingdom states that...
Bursitis in the shoulder is an inflammatory condition of a bursa, or cushioning sac of tissue, that aids movement in the rotator cuff. The muscles, joints and tendons here provide free movement for the shoulder and upper arm. The most common site...
Shoulder pain and upper extremity swelling in a throwing athlete are all too common problems that can involve damage to the glenohumeral joint, acromioclavicular joint or muscles of the rotator cuff. The course of treatment is to diagnose the...
Archery is a predominately skill-based activity. However, it is also a sport that requires you to use your muscles. The action of drawing and holding a bow are specialized skills using muscles that are not often trained in quite the way archery...
According to Bodybuildingforyou.com, the upper arm muscles are important parts of any training routines and especially important if you want to look good in a tank top. The biceps and triceps are the major upper arm muscles and run alongside the...
Ice hockey is a full contact sport that is played by adults and youth. The combined speed of the game and icy conditions create an atmosphere that is injury prone. Even with protective gear, injuries can and do happen regularly. One of the most...
Acromioclavicular arthritis, or AC joint arthrosis, is a condition affecting the acromioclavicular joint of the shoulder. It can be due to osteoarthritis, rheumatoid arthritis or post-traumatic arthritis. It tends to be more common with...
Many people suffer from shoulder pain. Whether from an acute or chronic injury, shoulder surgery may be indicated. The use of pain pumps following arthroscopic shoulder surgery has increased over the past several years. While pain pumps may help...
To keep your shoulders healthy, especially if you've had a dislocation or are recovering from an injury, you need to exercise your shoulders and maintain a healthy alignment. The shoulder includes four separate joints and is very complex in terms...
Author Andrew Biel notes in "The Trail Guides to the Body", that a pivot joint allows one bone to rotate around another. The first and second cervical vertebrae pivot to allow neck movement from side to side, and the ulna and radius in the forearm...
The chinup is a strength-training exercise, primarily for your shoulder, upper-arm and upper-back muscles. The chinup involves gripping a horizontal bar above your head and pulling your body up until your chin meets the bar or extends slightly...
There are 206 bones in the adult body. Bones serve many functions, but basically they are points of attachments for muscles and ligaments. They also provide support for the body and protect the internal organs. In addition, they serve as storage...
The shoulder joint, or glenohumeral joint, is the most mobile joint in your body, enabling abduction and adduction, extension, external rotation, flexion, horizontal abduction and adduction, hyperextension and internal rotation ranges of motion....
The shoulder is a ball-and-socket joint. The ball is called the head of the humerus, or upper-arm bone, and the socket is called the glenoid, which is part of the shoulder bone. The shoulder is the most movable joint in the human body. It is also...
In 2006, about 7.5 million people visited the doctor's office with shoulder pain. Most of this pain is due to repetitive, chronic and overhead activities such as weight lifting. The shoulder is one of the most complex joints in the entire body....