MEDI111 Lecture Notes - Lecture 4: Rectus Femoris Muscle, Biceps, Erector Spinae Muscles
6 Aug 2018
School
Department
Course
Professor
Document Summary
Location of attachments named according to point of origin and insertion. Major skeletal muscles of the body: grouped by function and location. Information for each muscle: name and information usually in same, origin and insertion there is usually a joint between the origin and insertion, action insertion moves towards origin. Innervation name of major nerve that supplies the muscle. Muscles of the neck and vertebral column: two functional groups, muscles that move the head, muscles that extend the trunk and maintain posture. Erector spinae group prime movers of back extension and lateral bending. Intercostals: external intercostals more superficial muscles that elevate ribs for inspiration (increase volume of ribcage) Internal intercostals deeper muscles that aid expiration (decrease volume of ribcage) Diaphragm: partition between thoracic and abdominal cavities, most important muscle in respiration. Subclaviculus (pectoralis major considered that act on humerus) Rhomboids (major and minor) (latissimus dorsi considered as muscles that act on humerus) as muscles.
