Women who have had radiation treatment to the chest, especially at a young age, are advised to have routine breast cancer screening. Yearly MRI screening may begin 8 years after treatment or by age 25 years, whichever is later. The benefits and risks of mammograms and MRIs for these women have not been studied.RI is used as a screening test for women who have one or more of the following: 1  Certain gene changes, such as in the BRCA1 or BRCA2 genes. 2  A family history (first degree relative, such as a mother, daughter or sister) with breast cancer.
Innervation of the Pectoralis Minor. In order for a muscle to contract and function, it must receive electrical impulses from the brain through a nerve or group of nerves, a process that is called innervation. The pectoralis minor muscle is innervated by the medial pectoral nerve. The medial pectoral nerve contains nerve fibers from the eighth cervical nerve (C8), which comes from the spine in the lower part of the neck, and the first thoracic nerve (T1), which comes from the spine in the upper part of the back. Lesson Summary. The pectoralis minor muscle is a
Summary Information: Teres Minor. Teres Minor: The teres minor is one of the muscles of the rotator cuff group of muscles located in the upper arm and shoulder. The teres minor originates on the scapula, inserts on the humerus of the upper arm and is innervated by the axillary nerve.The infraspinatus has a variety of actions on the shoulder joint, including lateral rotation, adduction and extension.he teres minor originates on the scapula, inserts on the humerus of the upper arm and is innervated by the axillary nerve. The infraspinatus has a variety of actions on the shoulder joint, including lateral rotation, adduction and extension.