Kin 325 1st Edition Lecture 10 Outline of Last Lecture I. Lower Leg Muscles-Anterior -Lateral-PosteriorII. Foot Muscles Outline of Current Lecture I. Shoulder Girdle-Humerus-Scapula-Clavicle Current LectureShoulder/Pectoral GirdleConsists of scapula, humerus, and clavicle-The scapula has a costal surface that lies against the ribs (“subscapular fossa”) and the posterior surface has a spinous process The humerus sits in the glenoid fossa and is attached to the scapula with several muscles, ligaments, and tendons -The clavicle articulates with the manubrium of the sternum and acromion process of the scapulaThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.MovementsElevation/DepressionABDuction/ADDuctionExternal/Internal rotationCircumduction Muscles and Tendons of the Rotator CufSupraspinatusInfraspinatusTeres minorSubscapularis BursaSubtendinous bursa of subscapularis (medial)Subacromial and subdeltoid (lateral)-there are several other smaller bursae that surround the joint! NervesRadialUlnarMedianAxillary ArteryAxillary…has several branches that reach out in the shoulderGlenohumeral Joint-between head of humerus and glenoid cavity of scapula-synovial ball and socket joint-unstable joint!: the large head of the humerus connects with the shallow cavity of thecavity-very mobile; wide range of motion-glenoid labrum surrounds the glenoid
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