which of the following is the origin of the pectoralis minor?
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Short Pec Minor Muscles: How to Assess and Stretch Pectoralis Minor Origin and Insertion The pectoralis minor originates on the outer surfaces of ribs 3, 4, and 5 and from the fascia of the intercostal muscles. The muscle inserts on the coracoid process of the scapula.
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Pectoralis muscle Pectoralis muscle. Pectoralis muscle, any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder. There are two such muscles on each side of the sternum (breastbone) in the human body: pectoralis major and pectoralis minor.
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Pectoralis Major Anatomy: Origin, Insertion, Actions, Innervation Adduction of the arm at the shoulder. 1  Agonists: Latissimus Dorsi, Teres Major, Pectoralis Major (clavicular head), Triceps Brachii (long head)  Antagonists: Deltoid (middle fibers), Supraspinatus.
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Master fitness (Muscle Anatomy) Anatomical terms of muscle. The pectoralis major (/ˌpɛktəˈreɪlᵻs ˈmeɪdʒər/) (from Latin: pectus, breast) is a thick, fan-shaped muscle, situated at the chest (anterior) of the human body. It makes up the bulk of the chest muscles in the male and lies under the breast in the female.
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Pectoralis Major Anatomy: Origin, Insertion, Actions, Innervation Adduction of the arm at the shoulder. 1  Agonists: Latissimus Dorsi, Teres Major, Pectoralis Major (clavicular head), Triceps Brachii (long head) 2  Antagonists: Deltoid (middle fibers), Supraspinatus.
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pectoral muscles group of muscles on the front of the chest which link the trunk to the upper limb. pectoralis major the largest and most superficial, takes origin from the clavicle, sternum and ribs and crosses the front of the shoulder to insertions into the clavicle and humerus.See Figure 1.roup of muscles on the front of the chest which link the trunk to the upper limb. pectoralis major the largest and most superficial, takes origin from the clavicle, sternum and ribs and crosses the front of the shoulder to insertions into the clavicle and humerus. See Figure 1.
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Shoulder Anatomy 1 Pectoralis minor draws the scapula forward and downward, and raises the ribs in forced inspiration. 2  The subclavius muscle is a small muscle that lies deep to pectoralis major muscle. 3  It passes from rib I at the junction between the rib and its costal cartilage to a groove on the inferior (lower) surface of the clavicle. These muscles retract and elevate the scapula. 2  Teres major muscle originates from posterior surface of the inferior angle of the scapula and attaches the medial lip of the intertubercular sulcus which lies on the anterior surface of the humerus. 3  This muscle extends and medially rotates the humerus.
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Cat anatomy Pectoantebrachialis muscle is just one-half inch wide and is the most superficial in the pectoral muscles. Its origin is the manubrium of the sternum, and its insertion is in a flat tendon on the fascia of the proximal end of the ulna.
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Pectoralis major muscle The pectoralis major has four actions which are primarily responsible for movement of the shoulder joint. The first action is flexion of the humerus, as in throwing a ball side-arm, and in lifting a child. Secondly, it adducts the humerus, as when flapping the arms.nderneath the pectoralis major is the pectoralis minor, a thin, triangular muscle. In sports as well as bodybuilding, the pectoral muscles may colloquially be referred to as  pecs .
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Pectoralis Major Muscle The pectoralis major muscle (green highlighted on the picture) is a strong, fan-shaped muscle of the shoulder joint. It decisively shapes the surface anatomy of the breast. Furthermore it participates in forming the anterior wall of the axilla.
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- The pectoral muscle (pectoralis major) has four functions: -Flexion of the humerus as in throwing a ball side-arm. -It helps to move your humerus as in flapping your arms. -Rotates your humerus medially as in arm wrestling.-Helps deep inspiration as in taking a deep breath.nswer   The Pectoralis Major muscle attaches form the sternum, ribcage, and clavicle to the humerus. They share the function of Adducting the arm (pulling it down and in … towards the body) when working with certain muscles of the back (like the latismuss dorsi).
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Pectoralis major However, your feedback is important to us. The pectoralis major muscle is a large muscle in the upper chest, fanning across the chest from the shoulder to the breastbone. The two pectoralis major muscles, commonly referred to as the pecs, are the muscles that create the bulk of the chest. A developed pectoralis major is most evident in males, as the breasts of a female typically hide the pectoral muscles. A second pectoral muscle, the pectoralis minor, lies beneath the pectoralis major.
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Major Muscles on the Front of the Body Pectoralis major. A chest muscle that pulls the arm in towards the body. This is one of the internal rotator muscles that attach the humerus and internally rotate the arm. The pectoralis major originates along the clavicle, down the sternum, and across the ribs and inserts into the humerus.s a diagonal muscle that tightens the abdomen. It’s the largest and the most outermost of the three flat muscles of the outside front of the abdomen. It has limited actions in both flexion and rotation of the vertebral column.
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Bulbospongiosus Muscle Origin: The bulbospongiosus muscle has slightly different origins in males and females. In males it arises from perineal body, midline raphe and inferior fascia of urogenital diaphragm. In females, the midline raphe is not involved in the origin of the muscle.
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- They are the pectoralis major, pectoralis minor, and the serratus anterior. In this article, we shall learn about the anatomy of the muscles of the anterior chest. © 2015 TeachMeAnatomy.com [CC-BY-NC-ND 4.0]. Fig 1.0 – The pectoralis major.
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Latissimus Dorsi 1 A prolongation from the costal origin of latissimus dorsi to the coracoid process may occur (Wood found it three times in one hundred and two cases. 2  This may occur perfectly separate from the rest of latissmus (Soemmerring), sömmerring in which form it is known as the chondrocoracoid Of wood And, rosenmueller rosenmüller and may.  be inserted
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The Muscles Connecting the Upper Extremity to the Anterior and Lateral Thoracic Walls At the lower part of the thoracic region the deep fascia is well-developed, and is continuous with the fibrous sheaths of the Recti abdominis. The Pectoralis major (Fig. 410) is a thick, fan-shaped muscle, situated at the upper and forepart of the chest. << PREVIOUSNEXT >>. Human Body > IV.
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Pectoralis muscle When the raised arms are fixed (as in mountain climbing), it assists the latissimus dorsi and teres major muscles in pulling the trunk up. The pectoralis minor lies, for the most part, beneath the pectoralis major, arising from the middle ribs and inserting into (attaching to) the scapula (shoulder blade). It aids in drawing the shoulder forward and downward (in opposition to the trapezius muscle).
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- The bulbospongiosus muscle has slightly different origins in males and females. In males it arises from perineal body, midline raphe and inferior fascia of urogenital diaphragm. In females, the midline raphe is not involved in the origin of the muscle.
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Pectoralis major The two pectoralis major muscles, commonly referred to as the pecs, are the muscles that create the bulk of the chest. A developed pectoralis major is most evident in males, as the breasts of a female typically hide the pectoral muscles.
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PEC TEAR There are two parts of the pectoralis muscle, the pectoralis major and the pectoralis minor. The pectoralis major is the larger of the two, and works to push the arms in front of the body, such as in a bench press exercise.
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Eye Twitching And Eyelid Twitches A twitching eye can be one sign of stress, especially when it is related to vision problems such as eye strain (see below). Reducing the cause of the stress can help make the twitching stop. Tiredness: A lack of sleep, whether because of stress or some other reason, can trigger a twitching eyelid. Catching up on your sleep can help. Eye strain: Vision-related stress can occur if, for instance, you need glasses or a change of glasses.
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- 1 Pectoralis Major Muscle: Chest, Shoulder, Upper Back, Arm, Hand Pain. 2  Diaphragm Muscle Anatomy: Origin, Insertion, Action and Innervation. 3  Deltoid Anatomy: Origin, Insertion, Action, Innervation.  Serratus Anterior Anatomy: Origin, Insertion, Action, Innervation.
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- Pectoralis Minor. The pectoralis minor muscle is much smaller than the pectoralis major, and lies posterior (underneath) to it. With the pectoralis major, it forms part of the anterior wall of the axilla. The muscle has a triangular shape, originating from the anterior surfaces of ribs 3 – 5.