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What constitutes of the pectoral girdle?
The pectoral girdle is made up of a left pectoral girdle and a right pectoral girdle. Each set of pectoral girdles has two bones, one clavicle and one scapula. The clavicle bones on both the left and right pectoral girdles are articulated with the sternum. The clavicles are also found on the anterior or front part of the skeleton. The scapula bones on both the left and right pectoral girdles are part of the posterior appendicular skeleton. The scapula bones each articulate with clavicle and the humerus. Your pectorial girdle is located at your shoulder area on your appendicular skeleton. Your upper limb bones are attached to the pectoral (shoulder) girdle. dcart45.
What is the name of the deep valley which lies along the east coast of Africa?
The deep valley that lies along the east coast of Africa is called the East African Rift Valley. It is a tectonic plate boundary where the African Plate is splitting into two, causing the valley to form.
What is a dome shaped muscle that lies beneath the lungs?
The dome-shaped muscle beneath the lungs is called the diaphragm. It plays a crucial role in the breathing process by contracting and relaxing to help with inhalation and exhalation.
What major island mass lies on the axis of the mid-atlantic ridge?
Iceland
What fault line does the city of San Francisco lie on?
San Francisco lies on san andreas fault. *
Which muscle lies just deep to the breast?
pectoralis major
Is there muscle in the breast?
Yes, there is muscle in the breast. The main muscle in the breast is called the pectoralis major, which lies underneath the breast tissue.
Is the pectoralis major muscle anterior or posterior to the subscapularis muscles?
The pectoralis major muscle is anterior to the subscapularis muscles, as it lies in front of the shoulder joint and rib cage. The subscapularis muscles are located on the posterior aspect of the shoulder blade and assist in internal rotation of the arm.
What muscle lies directly below the mammary glands?
Pectoralis major and seratus anterior muscles can be found directly below mammary tissue.
Is the pectoralis major anterior to the rhomboids?
Yes, the pectoralis major is anterior to the rhomboids. The pectoralis major is located on the front of the chest, while the rhomboids are situated in the upper back, between the shoulder blades. This positioning means that the pectoralis major lies in front of and above the rhomboids.
What are the 3 clusters of pecs form tle?
The three clusters of the pectoral muscles (pecs) are the pectoralis major, pectoralis minor, and the subclavius. The pectoralis major is the larger muscle responsible for arm movements, while the pectoralis minor lies beneath it and assists in stabilizing the scapula. The subclavius helps to stabilize the clavicle. Together, these muscles play crucial roles in upper body movement and stability.
What are pectorails major and petorails minor in mammals?
The pectoralis major and pectoralis minor are two muscles located in the chest of mammals. The pectoralis major is a large, thick muscle responsible for the movement of the shoulder joint, aiding in actions such as flexion, adduction, and internal rotation of the arm. The pectoralis minor is smaller and lies underneath the pectoralis major, primarily functioning to stabilize the scapula and assist in movements such as scapular protraction and depression. Together, these muscles play crucial roles in upper limb movement and shoulder stability.
What are three pectoral muscles that are found in the thoracic wall of the pig?
The three primary pectoral muscles found in the thoracic wall of the pig are the pectoralis major, pectoralis minor, and the xiphihumeralis. The pectoralis major is the larger muscle that covers much of the chest, while the pectoralis minor lies beneath it and is smaller. The xiphihumeralis is a thin muscle that extends from the xiphoid process to the humerus, playing a role in limb movement. Together, these muscles assist in various movements of the forelimb and contribute to the overall structure of the thoracic region.
Where is the pectoral located in the body?
The pectoralis major is the large fan like muscle located on either side of the chest, originating from the sternal half of the clavical, the anterior surface of the sternum, and the cartilage of the first seven ribs, and inserting in the bicepital groove of the humerus. Therefore, its primary actions deal with movements of the shoulder joint. It adducts, flexes, and medially rotates the humerus. There is also a pectoralis minor, which is also located on the chest, but lies deep to the pectoralis major. It originates on ribs 3-5, and inserts on the coracoid process of the scapula. The pectoralis minor works on the scapula, drawing it toward the thorax so as to increase the range of motion of the shoulder.
What is the relationship between the pectoralis minor muscle and the brachial plexus in the human body?
The pectoralis minor muscle is located near the brachial plexus in the human body. It lies underneath the muscle and can sometimes compress or put pressure on the brachial plexus, which is a network of nerves that control movement and sensation in the arm. This can lead to symptoms like pain, tingling, or weakness in the arm and hand.
Which muscle is located deep to the semitendinosus muscle?
Much of the semimembranosus lies deep to the semitendinosus.
What is the origin of the brachialis?
The brachialis muscle originates from the front of the humerus bone in the upper arm. It lies deep to the biceps brachii muscle and is responsible for flexing the arm at the elbow joint.
