What is the joint between the lateral clavicle and the acromion process?
What is the joint between the lateral clavicle and the acromion process?
The acromioclavicular joint is a diarthrodial joint defined by the lateral clavicle articulating with the acromion process as it projects anteriorly off the scapula. The AC joint is a plane type synovial joint, which under normal physiological conditions allows only gliding movement.
What connects acromion to clavicle?
The acromioclavicular ligament, which attaches the clavicle to the acromion of the scapula.
Where is the lateral acromion?
shoulder
Together with the coracoid process it extends laterally over the shoulder joint. The acromion is a continuation of the scapular spine, and hooks over anteriorly. It articulates with the clavicle (collar bone) to form the acromioclavicular joint.
What is the acromion?
Medical Definition of acromion : the outer end of the spine of the scapula that protects the glenoid cavity, forms the outer angle of the shoulder, and articulates with the clavicle. — called also acromial process, acromion process.
How do you fix acromion pain?
If your healthcare provider approves, ibuprofen or naproxen may be taken as-needed to relieve pain. For more severe pain, a stronger prescription strength anti-inflammatory medication may be prescribe or a cortisone injection into the bursa beneath the acromion may be given.
What muscles attach to acromion?
Two major muscles, the deltoid and trapezius, attach to the acromion. The deltoid, which abducts the arm at the shoulder, forms its origin along the acromion, the spine of the scapula, and the clavicle. From these origins, it crosses the shoulder joint and inserts on the deltoid tuberosity of the humerus.
Does rotator cuff injury cause collarbone pain?
Pain in the collarbone most likely occurs from a traumatic injury like a fracture, dislocation, or strain. Other common causes of clavicle pain include a frozen shoulder, rotator cuff tendonitis, or even a shoulder strain.
What is sloping acromion?
Objective: The anterior acromion may appear to slope downward in a lateral direction on coronal-oblique magnetic resonance (MR) images of the shoulder. We sought to determine the significance of this finding as a marker of rotator cuff impingement.
Can you feel the acromion?
The acromion process is the part of our shoulder blade, or scapula, that you can feel sticking up if you rub where the back of your shoulder meets your arm.
Why is the acromion important?
The acromion of the scapula is a large bony projection on the superior end of the scapula. It is an important landmark of the skeletal system and a muscle attachment point essential to the function of the shoulder joint. The acromion also forms the acromioclavicular (AC) joint with the clavicle.
Where is the acromial end on the clavicle?
Sternal or medial end (extremitas sternalis) is the rounded end of the clavicle that articulates with the manubrium of the sternum. [Illustration/ Superior View] Acromial or lateral end(extremitas acromialis) is the flattened end of the clavicle that articulates with acromion of the scapula.
What is the purpose of the clavicle?
The functions of the clavicle are to provide support for free range movement of the arms and to protect the neurovascular bundle. The flat horizontal bone is part of the shoulder and is also referred to as the collarbone. The clavicle connects the shoulder blade to the sternum and acts as a strut to allow free movement of the arm.
How to fix AC joint pain?
Ice packs applied to the area for a half hour right after the injury are important and will reduce pain as well as reduce swelling.
What is the more common term for clavicle?
The clavicle, popularly known as the collarbone, is a part of your shoulder. It is a prominent bone that connects the arm with the rest of the skeleton. Its functions include allowing free movement of the shoulder away from the body.
