This bone is an important part of the skeletal system since it plays an essential role in everyday functional movement, serving as the connection between the axial skeleton and the pectoral girdle. McMaster University. Surface Markings of the Upper Extremity Bony Landmarks.—The bony landmarks as described above are so readily available for surface recognition that no special measurements are required to indicate them. Course. Share. The clavicle is an elongated, S-shaped bone that rests horizontally at the sternum across the upper part of the ribcage, and the acromial end of the scapula.. 1. Others require palpation, and this method should be used to verify observation in every case. By the end of this section, you will be able to: Identify the divisions of the upper limb and describe the bones in each region; List the bones and bony landmarks that articulate at each joint of the upper limb Find the coracoid. The bones most concerned in upper-extremity anthropometry are the clavicle, the scapula, the humerus, the ulna, and the seventh Learning Objectives. I hope you find it a helpful resource as you study the skeletal system for your lab practical exam. 3. The bony landmarks as described above are so readily available for surface recognition that no special measurements are required to indicate them. Find the notch where the acromion and the clavicle meet. It may be noted, however, that the medial angle of the scapula is applied to the second rib, while the inferior angle lies against the seventh. FIG.1233– The mucous sheaths of the tendons on the front of the wrist and digits. Mark it with a point. Most of these skeletal prominences protrude to such an extent that location is easily possible by eye. Bony Landmarks. bony landmark: Etymology: AS, ban + AS, land, mearc a groove or prominence on a bone that serves as a guide to the location of other body structures. bony landmarks your job: for each of the following landmarks you will need to explain where to find them and what their is. In each region the bony landmarks are used as … Lecture notes, Bony Landmarks, Muscular Compartments for Unit 3: Upper Extremity. These consist of the arm, located between the shoulder and elbow joints; the forearm, which is between the elbow and wrist joints; and the hand, which is located distal to the wrist.There are 30 bones in each upper limb. 14/15. The hip bones, or pelvic bones, join the upper body, to the lower propulsive units - the lower limbs. Academic year. Mark it with a circle. The upper limb is divided into three regions. BONES OF THE UPPER LIMB PECTORAL GIRDLE - shoulder; scapula; clavicle; BRACHIUM - arm; humerus; ANTEBRACHIUM - forearm 12. The bones of the upper limb can be divided into four main groups: the shoulder girdle, arm, forearm and hand. At the conclusion of this chapter, you will be able to: • Name the bones that compose the upper limb and shoulder girdle and identify each on an anatomic diagram and on a radiograph • Name and identify the significant bony prominences and depressions of the upper limb and shoulder girdle and identify significant positioning landmarks by palpation