Shoulder and neck muscle anatomy
Splet23. jan. 2024 · The shoulder has about eight muscles that attach to the scapula, humerus, and clavicle. These muscles form the outer shape of the shoulder and underarm. The muscles in the shoulder aid in a wide ... SpletThe latissimus dorsi muscle retracts the humerus and thus propels the body forward. Acting to rotate, flex, or adduct the humerus, depending on limb posture, is a muscle known as subcoracoscapularis in amphibians, reptiles, and birds and subscapularis in mammals. It runs from the deep surface of the shoulder girdle to the humerus.
Shoulder and neck muscle anatomy
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Splet25. jul. 2024 · Nerves. Supraclavicular Nerve Arising from the C3 and C4 ventral rami, the supraclavicular nerve (SCN) courses deep to the sternocleidomastoid muscle and passes through the posterior triangle of … Splet27. dec. 2024 · The muscles of the neck are muscles that cover the area of the neck. These muscles are mainly responsible for the movement of the head in all directions. They consist of 3 main groups of muscles: anterior, lateral and posterior groups, based on their … The sternocleidomastoid muscle is a two-headed neck muscle, which true to its … The thoracic cage is a component of the thoracic wall and encloses the majority … Bones. There are 12 thoracic vertebrae (denoted as T1-T12) found in adult … Functions of the digestive system Trigger and initiation. The function of the … The platysma is a sheet-like muscle situated within the superficial cervical … Upper respiratory tract. The upper respiratory tract refers to the parts of the … The following are muscles that either originate or insert (at least partially), or … The superficial muscle layer is composed of the splenius muscles (spinotransversales …
Splet06. jul. 2024 · The muscles on the Back of the neck are muscles that cover the neck area. The neck muscles are part of a complex musculoskeletal system that connects the base … Splet25. jul. 2024 · These muscles sit along opposite sides of the neck. Their primary function is to rotate the shoulder blades (scapulae) downwards, "an action that opposes the lower …
SpletThis pair of triangular muscles extend from the base of your skull down your cervical and thoracic spine and out to your shoulder blade. They help tilt your head upward/move your neck backward, rotate your head right or left or lift your shoulder blade. Levator scapulae. Splet25. jul. 2024 · The upper limb includes the scapula, clavicle, humerus, radius, ulna, carpals, metacarpals, and small bones of the hand. Innervation originates in the neck and travels down to allow muscle action of flexion, …
SpletNeck muscles help support the cervical spine and contribute to movements of the head, neck, upper back, and shoulders. Here are some of the key muscles attached to the cervical spine: Levator scapulae. The levator …
Splet08. avg. 2024 · The muscles of the shoulder play a critical role in providing stability to the shoulder joint. The primary muscle group that supports the shoulder joint is the rotator cuff muscles. The four rotator cuff muscles … お弁当 前日 作り置き 唐揚げSpletBrowse 3,742 shoulder anatomy photos and images available, or search for shoulder anatomy muscles to find more great photos and pictures. muscular back of a man - shoulder anatomy stock pictures, royalty-free photos & images お弁当 割り箸 箸SpletCommon Shoulder Injuries. Dislocation: The top of the upper arm bone (humerus) pops out of the socket when the shoulder is stretched too hard or rotated too far. Rotator cuff injury: The rotator cuff muscles and tendons stabilize the shoulder joint and facilitate arm movement. A tear or rupture in the tendons or muscles causes swelling, pain ... passaic medical careSpletThe trapezius is a large paired trapezoid-shaped surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula.It moves the scapula and supports the arm.. The trapezius has three functional parts: an upper (descending) part which supports the weight of the arm; a … お弁当 前日の夜 唐揚げSplet16. jul. 2024 · The neck muscles, including the sternocleidomastoid and the trapezius, are responsible for the gross motor movement in the muscular system of the head and neck. … お弁当 割高Splet16. jul. 2024 · On the anterior side of the shoulder, the coracobrachialis, serratus anterior, pectoralis major, and pectoralis minor muscles work as a group to flex and adduct the scapula and humerus anteriorly toward the sternum. The latissimus dorsi and teres major on the posterior side extend and adduct the arm towards the vertebrae of the back. お弁当 割子SpletLatissimus dorsi (lats), the largest muscle in the upper part of your body. It starts below your shoulder blades and extends to your spine in the lower part of your back. Levator scapulae, a smaller muscle that starts at the side of your neck and extends to the scapula (shoulder blade). Rhomboids, two muscles that connect the scapula to the spine. passaic medical