The scapula is a flat, triangular-shaped bone (colloquially as the “shoulder blade”). It is located in the upper thoracic region on the dorsal surface of the rib cage . It connects with the humerus at the glenohumeral joint
Where is the scapula located in the shoulder?
The scapula, or shoulder blade, is a large triangular-shaped bone that lies in the upper back . The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm.
What is found on the scapula?
The scapula is a wide, flat bone lying on the thoracic wall that provides an attachment for three groups of muscles: intrinsic, extrinsic, and stabilising and rotating muscles. The intrinsic muscles of the scapula include the muscles of the rotator cuff —the subscapularis, teres minor, supraspinatus, and infraspinatus.
Is the scapula found medial or lateral on the bone?
The lateral surface of the scapula faces the humerus. It is the site of the glenohumeral joint, and of various muscle attachments. Its important bony landmarks include: Glenoid fossa – a shallow cavity, located superiorly on the lateral border.
What is the function of scapula bone?
The scapula is an important bone in the function of the shoulder joint . It engages in 6 types of motion, which allow for full-functional upper extremity movement including protraction, retraction, elevation, depression, upward rotation, and downward rotation.
What organ does the scapula protect?
The scapula stabilizes the arm and neck
This bone is located posteriorly (on the back half of the body). The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion.
How do you get rid of scapular pain?
- Rest your upper back from activity. If your pain worsens when you do certain movements or physical activities, such as household chores or exercise, rest for a day or two. ...
- Apply ice and/or heat. ...
- Take over-the-counter (OTC) medication. ...
- Massage it out. ...
- Visit a health care provider.
What type of bone is the scapula?
The scapula is a large, flat triangular bone with three processes called the acromion, spine and coracoid process . It forms the back portion of the shoulder girdle.
Which bone is the shortest in the forearm?
...of two bones of the forearm when viewed with the palm facing forward. (The other, shorter bone of the forearm is the radius .) The upper end of the ulna presents a large C-shaped notch—the semilunar, or trochlear, notch—which articulates with the trochlea of the humerus (upper arm bone) to form...
How do you find the side of your scapula?
Right vs. Left–In order to determine if a scapula is right or left, orient it so the glenoid cavity (articulating surface) faces laterally (outward) and the spine is posterior (toward back) and superior (upper). The coracoid process should be anterior and superior.
What 3 bones are in your arms?
Your arm is made up of three bones: the upper arm bone (humerus) and two forearm bones (the ulna and the radius) . The term “broken arm” may refer to a fracture in any of these bones.
Is winged scapula normal?
A winged scapula is considered normal posture in young children , but not older children and adults.
What bones does the right scapula attach?
The right scapula attaches the right clavicle (collar bone) to the right humerus of the upper arm. This anatomy with the help of muscles contributes to the movement of the shoulder.
What does scapular winging indicate?
Scapular winging is almost always caused by damage to one of three nerves that control muscles in your arms, back, and neck: the long thoracic nerve, which controls the serratus anterior muscle. the dorsal scapular nerve, which controls the rhomboid muscles. the spinal accessory nerve, which controls the trapezius ...
How many scapula do we have?
Scapula, also called shoulder blade, either of two large bones of the shoulder girdle in vertebrates. In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs.
Does the scapula protect?
The scapula protects the posterior (or back) of the chest , offering additional shielding to the rib cage and lungs.
