Joints of pectoral girdle
Nettet12. apr. 2024 · Acromioclavicular joint (Articulatio acromioclavicularis) The acromioclavicular (AC) joint is the articulation between the two bones of pectoral … NettetThe pectoral girdle consists of the clavicle and the scapula, which serve to attach the upper limb to the sternum of the axial skeleton. The scapula (shoulder blade) lies on the posterior aspect of the shoulder. It is supported by the clavicle, which also articulates with the humerus (arm bone) to form the shoulder joint.
Joints of pectoral girdle
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NettetJoints of Pectoral Girdle Term 1 / 3 Sternoclavicular Joint Click the card to flip 👆 Definition 1 / 3 connects clavicle to sternum; only joint connecting the pectoral girdle to axial skeleton; true synovial joint strengthened by an intracapsular disc and extrinsic ligaments Click the card to flip 👆 Flashcards Learn Test Match Created by dchavero Nettet5. des. 2024 · The bones of the shoulder girdle articulate with each other and partake in the formation of 4 joints that include: The sternoclavicular joint - formed between the sternum and clavicle. The acromioclavicular (AC) joint - formed between the scapula … Bone markings are projections and depressions found on bones, which help … The coccyx, otherwise known as the tailbone, is a small triangular shaped … Glenohumeral joint (Articulatio glenohumeralis) The glenohumeral, or … Glenohumeral joint. The glenohumeral joint is one of the joints associated with the … Subclavius muscle (musculus subclavius) The subclavius muscle is a short, … This functions to depresses the lateral end of clavicle and stabilizes the clavicle … Subscapularis is a strong triangular muscle that fills the subscapular fossa of … Supraspinatus muscle (Musculus supraspinatus) Supraspinatus is one of …
Nettet9. aug. 2024 · The muscles that position and stabilize the pectoral girdle are located on the thorax. The anterior thoracic muscles are the subclavius, pectoralis minor, and the serratus anterior. The posterior thoracic muscles are the trapezius, levator scapulae, rhomboid major, and rhomboid minor. Nine muscles cross the shoulder joint to move … Nettet15. feb. 2013 · Bones of the Shoulder Girdle. The shoulder girdle is made up of two posterior scapulae and two anterior clavicles. These bones make an incomplete ring around the upper thoracic cage. The medial end of each clavicle articulates with the manubrium and scapulae; each scapula connects to the thoracic cage by muscle only.
Nettet18. mar. 2024 · Anatomically, the AC joint is located directly above the shoulder capsule, which is the ball of connective tissue (cartilage) surrounding the joint of the upper arm and shoulder blade. The purpose of the AC joint is to enable passive articulation of the pectoral girdle, or the bones of the upper chest – mostly the collarbone. NettetJoints of pectoral Girdle Upper limb Sternoclavicular joint is a plane synovial double joint in which sternal end of clavicle articulates with manubrium sterni & 1st costal …
Nettet24. feb. 2024 · The pectoral girdle, or shoulder girdle, consists of the lateral ends of the clavicle and scapula, along with the proximal end of the humerus, and the muscles covering these three bones to stabilize the shoulder joint.
NettetThe pectoral girdle consists of the shoulder bones, clavicle, and scapula that articulate to form the half-circular structure at the shoulder. There are two pectoral girdles in the human body, both capable of working independently, allowing us to use both shoulders and arms separately. P e c t o r a l S h o u l d e r G i r d l e. Here are the 2 ... hallstead construction big bearNettet12. apr. 2024 · Acromioclavicular joint (Articulatio acromioclavicularis) The acromioclavicular (AC) joint is the articulation between the two bones of pectoral girdle; the clavicle and scapula.It is a plane synovial joint, with flat articular surfaces which are approximately the same in size.. Since there are no muscles that act directly on this … hallstead farms and meatsNettetThe movement of the shoulder is facilitated by three joints: 1. the sternoclavicular joint 2. the acromioclavicular joint 3. the shoulder, glenohumeral or scapulohumeral joint and the contact between the scapula and the thoracic cage (this is not a joint) THE STERNOCLAVICULAR JOINT (SEE FIGURE 3.39) Articulating Surface and Type of Joint burgundy linen tablecloth