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What is the name of the upper appendage shoulder girdle?
pectoral girdle
The bones that attach each upper limb to the axial skeleton form the pectoral girdle (shoulder girdle). This consists of two bones, the scapula and clavicle ([link]).
What muscle is also known as the shoulder cap muscle?
Deltoid muscle
| Deltoid muscle | |
|---|---|
| Origin | the anterior border and upper surface of the lateral third of the clavicle, acromion, spine of the scapula |
| Insertion | deltoid tuberosity of humerus |
| Artery | thoracoacromial artery, anterior and posterior humeral circumflex artery |
| Nerve | Axillary nerve |
What are the 2 types of girdles and their parts?
You have two pectoral girdles in your body. The pectoral girdle consists of the two bones that make up your shoulder: clavicle, or collarbone. scapula, or shoulder blade….Pectoral girdle joints
- Sternoclavicular joint.
- Scapulothoracic joint.
- Acromioclavicular joint.
- Glenohumeral joint.
What is the front shoulder bone called?
The clavicle is the only bony attachment between the trunk and the upper limb. It forms the front portion of the shoulder girdle and is palpable along its entire length with a gentle S-shaped contour. The clavicle articulates at one end with the sternum (chest bone) and with the acromion of the scapula at the other.
What is the function of the shoulder girdle?
The shoulder is not a single joint, but a complex arrangement of bones, ligaments, muscles, and tendons that is better called the shoulder girdle. The primary function of the shoulder girdle is to give strength and range of motion to the arm. The shoulder girdle includes three bones—the scapula , clavicle and humerus.
What are actions of the shoulder girdle?
The muscles of the shoulder girdle are serratus anterior, pectoralis minor, levator scapulae, rhomboids, and trapezius. The movements (actions) of the shoulder girdle consist of: Elevation – moving upwards or shrugging your shoulders. Depression – moving shoulders downwards. Protraction – pushing shoulders forwards, rounding or ‘hunched’ shoulders.
What bones make up the shoulder girdle?
The pectoral girdle consists of the two bones that make up your shoulder: clavicle, or collarbone. scapula, or shoulder blade.
How does the shoulder girdle work?
The shoulder girdle or pectoral girdle, composed of the clavicle and the scapula , connects the upper limb to the axial skeleton through the sternoclavicular joint (the only joint in the upper limb that directly articulates with the trunk), a ball and socket joint supported by the subclavius muscle which acts as a dynamic ligament.