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The serratus anterior is a muscle of the chest. It originates at the side of the chest from the upper 8 or 9 ribs; it inserts along the entire length of the anterior aspect of the medial border of the scapula. It is innervated by the long thoracic nerve from the brachial plexus. The serratus anterior acts to pull the scapula forward around the ...
The serratus punch is an exercise that works scapular protraction using the serratus anterior muscle and to a lesser extent the pectoralis minor. [ 1 ] [ 2 ] The exercise even performed at maximum voluntary isometric contraction did not increase pain in one study in people with shoulder pain. [ 3 ]
The muscles of respiration are the muscles that contribute to inhalation and exhalation, by aiding in the expansion and contraction of the thoracic cavity. The diaphragm and, to a lesser extent, the intercostal muscles drive respiration during quiet breathing. The elasticity of these muscles is crucial to the health of the respiratory system ...
The serratus anterior muscle, also known as the boxer's muscle, is located below the armpits and is a key feature to make you look more jacked. The serratus anterior muscle, also known as the ...
When the serratus anterior contracts, upward rotation, abduction, and weak elevation of the scapula occurs, allowing the arm to be raised above the head. [4] The long thoracic nerve innervates the serratus anterior; therefore, damage to or impingement of this nerve can result in weakening or paralysis of the muscle. [5]
Muscle [3] Visual reference Method of activation 1: Anterior and middle scalenes: Look straight ahead and lift head anterior 2: Posterior scalenes: Turn head 30 degrees away and lift anterior 3-5: Pectoralis minor: Push ipsilateral elbow towards opposite ASIS. 6-8: Serratus Anterior: Push arm anteriorly 9-11: Latissimus dorsi
The scapulocostal joint (also known as the scapulothoracic joint) is a physiological joint formed by an articulation of the anterior scapula and the posterior thoracic rib cage. It is musculotendinous in nature and is formed predominantly by the trapezius, rhomboids and serratus anterior muscles.
Anatomical terms of muscle [ edit on Wikidata ] The levatores costarum ( / ˌ l ɛ v ə ˈ t ɔːr iː z k ə ˈ s t ɛər ə m / ), twelve in number on either side, are small tendinous and fleshy bundles, which arise from the ends of the transverse processes of the seventh cervical and upper eleven thoracic vertebrae