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30 Οκτ 2023 · The humerus is the longest and largest bone of the upper limb. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical landmarks. The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder.
13 Νοε 2023 · Major muscles of the shoulder, arm, forearm and hand. The upper limb (upper extremity) is truly a complex part of human anatomy. It is best studied broken down into its components: regions, joints, muscles, nerves, and blood vessels.
29 Οκτ 2023 · There are three muscles located in the anterior compartment of the upper arm – biceps brachii, coracobrachialis and brachialis. They are all innervated by the musculocutaneous nerve. A good memory aid for this is BBC – b iceps, b rachialis, c oracobrachialis.
3 Νοε 2023 · The intrinsic muscles of the hand are the: palmaris brevis, interossei (palmar and dorsal), adductor pollicis, thenar, hypothenar and lumbrical muscles. You can learn everything about them with our learning materials and test yourself with the integrated quiz.
8 Αυγ 2023 · Muscles. The primary muscle group that supports the shoulder joint is the rotator cuff muscles. The four rotator cuff muscles are the supraspinatus, infraspinatus, teres minor, and subscapularis. Together the rotator cuff muscles form a musculotendinous cuff as they insert on the proximal humerus.
7 Αυγ 2023 · The distal portion of the humerus ends with an area referred to as the condyle, which is composed of the trochlea, capitulum, olecranon, coronoid and radial fossae. [3] .
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.
