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30 Οκτ 2023 · The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder. Also, the humerus has distal articulations with the radius and ulna at the elbow joint.
7 Αυγ 2023 · The humerus serves as the origin and insertion site of many upper limb muscles that divide into the following distinctions: scapulohumeral muscles, anterior compartment muscles, posterior compartment muscles.
The humerus serves as an attachment to 13 muscles which contribute to the movements of the hand and elbow, and therefore the function of the upper limb. The humerus, as the longest bone in the upper extremity, serves several crucial functions within the musculoskeletal system.
3 Ιαν 2023 · Humerus distal aspect. The lower (distal) end of your humerus forms the top of your elbow joint. It meets your forearm bones (radius and ulna). It includes the: Supracondylar ridges. Epicondyles. Trochlea. Capitulum. Coronoid, radial and olecranon fossae.
11 Αυγ 2021 · The lower end of the humerus is the distal humerus, containing two joint-forming processes, the capitulum and the trochlea. The trochlea tightly hinges with the forearm’s ulna, forming half of the elbow joint.
The common flexor and common extensor muscles contribute to the stability of the elbow under varus and valgus forces, respectively. The anconeus muscle, which lies in the same plane as the lateral ulnar collateral ligament, contributes to posterolateral rotatory stability of the ulnohumeral joint.
24 Ιουλ 2023 · Axioappendicular groups of muscles arise from the axial skeleton to act upon the pectoral girdle. Scapulohumeral muscles originate from the scapula and insert into the proximal humerus. Included in this category are the rotator cuff muscles which provide stability to the glenohumeral joint.
