Bio 210 Chapter 8 Review Questions and Correct Answers
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Course
BIO 210
Institution
BIO 210
What is the structural classification of joints? Fibrous, cartilaginous, and synovial
What are the functional classification of joints? Synarthroses, amphiarthroses, diarthroses
What is the classification of synarthroses mean? Immovable
What is the classification of amphiarthroses? Slightly mova...
Bio 210 Chapter 8 Review Questions and Correct Answers What is the structural classification of joints? ✅Fibrous, cartilaginous, and synovial What are the functional classification of joints? ✅Synarthroses, amphiarthroses, diarthroses What is the classification of synarthroses mean? ✅Immovable What is the classification of amphiarthroses? ✅Slightly movable What is the classification of diarthroses? ✅Freely movable What is the function of a joint? ✅Give the skeleton mobility and hold the skeleton together. What is the weakest part of the skeleton? ✅Joints What is a synovial joint? ✅The joints in which the articulating bones are separated by a fluid filled containing joint cavity. What does Origin mean? ✅Attachment to the immovable bone. What does insertion mean? ✅Attachment to the movable bone. What are the types of angular movement? ✅Flexion, extension, Dorsiflexion, plantar flexion, abduction, adduction, circumduction. What is flexion movement? ✅Bending movement that decreases the angle of a joint. What is an extension movement? ✅Joint angle increased. What is Dorsiflexion? ✅Upward movement of the foot. What is plantar flexion? ✅Downward movement of the foot. What is abduction? ✅Movement away from the midline. What is adduction? ✅Movement towards the midline. What is circumduction? ✅Circular movement of a limb What are the special movements? ✅Supination, pronation, inversion, eversion, protraction, retraction, elevation, depression, opposition. What is supination? ✅Anatomical position with palms pointing up. ( holding a bowl of soup) What is pronation? ✅Anatomical position except palms facing downward What is protraction? ✅Extending forward. (Mandible underbite) What is retraction? ✅Retracting backwards. (Mandible overbite) What is elevation? ✅Raised superiorly. What is depression? ✅Lowered inferiorly What is inversion? ✅Moving medially of the foot, towards the midline. What is an eversion? ✅Moving laterally of the foot, towards the outside. What is an opposition? ✅Making an O or and Ok symbol, thumb and finger. What is a hinge joint? ✅Motion along a single plane, flexion and extension only. Examples: elbow and interphalangel joints. What is condyloid joint? ✅Permits all angular movements, articulate surfaces are oval. Examples: radiocarpals and metacarpophalangeal. What is a ball and socket joint? ✅Most freely movable synovial joint. Example: shoulder and hip joints. What is a sprain? ✅The ligaments reinforcing a joint are stretched or torn What is dislocation? ✅Occurs when bones are forced out of alignment. Articulation ✅Site where two or more muscles meet. Functions of joints ✅Give skeleton mobility, hold skeleton together. Two classifications of joints ✅Functional, structural Functional classification of joints is based on? ✅Amount of movement joint allows
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