Understanding the Types of Movements at Synovial Joints: Gliding and Angular Mov
ID: 3506299 • Letter: U
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Understanding the Types of Movements at Synovial Joints: Gliding and Angular Movements Activity 9.3 in the body are synovial joines, which are defined by the presence of a fluid-filled cavity between oints are capable of a variety of movements in several planes, and specific terms the articalating surfaces are ssed to describe these movements. Symovial j It is essential that you become familiar with these terms before you begin oints Study the following terms of movement. Work with yoar lab partner by quizzing each other on the performance of each movement Gliding mevements occur when articulating surfaces of two bones move back and forth or side to side. Clavicle Gliding movements occur at the sternoclavicular joint. Ideny this joint on a skeleton List two other examples of joints where gliding movements cccur Manubrium &During flexion and extension, the angle between articulating bones changes From the anatomical position, perform flexion of the forearm. How does the angle between the arm and forearm change? Flexion Hyperextension Return to the anatomical position by extending the forearm How does the arm-forearm angle change? Extension identily two other joints where flexion and extension occur Flexion Extension 134 EXERCISE 9 ArticulationsExplanation / Answer
A. 1.Sterno calvicular joint is present in between the manubrium of sternum and the clavicle bone.
2.Examples of the joints where glinding movement occurs are the joints of carpal and tarsal bones(wrist and ankle).
B. 1.The flexor muscles of the arm primarily brachialis, biceps brachii,and the brachio radialis bend the arm by decreasing carying angle btween the arm and forearm during flexion.
2.The extension muscle triceps brachii extend the arm by forming an angle(carying angle) during the extension of arm.
3.Examples of joints where flexion and extension occurs include are shoulder joint, elbow joint,hip joint.
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