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Anatomy & Physiology

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Question
Answer
show different types and ranges of movement  
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show place of contact between bones, bone and cartilage, or bones and teeth  
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arthrology   show
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structural classification of joints   show
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fibrous joint   show
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show space between bone and the next bone (if none, fused together)  
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show has no join cavity and bones are joined by cartilage (i.e. intervertebral disc articulations)  
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synovial joint   show
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functional classification of joints   show
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show immobile joint that can be a fibrous or a cartilaginous joint (i.e. tooth to jaw)  
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show slightly mobile joint that can be fibrous or cartilaginous (i.e. articulation between tibia and fibula  
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show freely mobile joint (all synovial joints) (i.e. knee joint)  
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range of motion at joints   show
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characteristics of fibrous joints   show
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show gomphoses, sutures, syndesmoses  
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gomphoses   show
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show immobile fibrous joints - only b/w certain bones of the skull, have interlocking, usu. irregular edges (increase strength & decrease number of fractures), & permit skull to grow as brain increases in size during childhood (becomes ossified in older adult)  
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show allow for slight mobility, found b/w radius and ulna and tibia and fibula (bound by interosseous membrane), and provides a pivot (radius and ulna able to move against each other, tibia and fibular = separated)  
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interosseous membrane   show
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show have cartilage b/w articulating bones (either hyaline or fibrocartilage), lack a joint cavity, are immobile or slightly mobile  
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types of cartilaginous joints   show
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synchodrosis   show
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symphysis   show
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show bodies of adjacent vertebrae separated by intervertebral discs that allow only slight movement between adjacent vertebrae, and together allow spine considerable flexibility  
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show all are diathrotic joints - freely mobile articulations that include most joints in the body; bones are separated by a space (joint cavity)  
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basic features of synovial joints   show
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show double-layered capsule that is called the articular capsule; has an outer, fibrous layer , and an inner, synovial membrane layer  
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inner layer (synovial membrane)   show
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show formed by dense connective tissue and strengthens joints to prevent bones from being pulled apart  
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articular cartilage   show
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show reduces friction during movement, acts as a cushion to absorb joint compression, and prevents damage to articulating ends of bones  
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show dense regular connective tissue that connects one bone to another bone and stabilizes, strengthens and reinforces most synovial joints  
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tendons   show
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bursa   show
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show found where bones, ligaments, muscles, skin, or tendons rub together, and is connected to the joint cavity or separate from it, and  
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show uniaxial joint, biaxial joint, and multiaxial joint  
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show bone moves in just one plane or axis (i.e. elbow)  
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biaxial joint   show
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multiaxial joint   show
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show plane (gliding), hinge/ginglymus, pivot, condylar, saddle/sellar, and ball & socket  
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show simplest synovial articulation, least mobile type of diathrosis, uniaxial joint, limited side-to-side movement in a single plane, and articular surfaces are flat (i.e. intercarpal and intertarsal joints)  
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hinge joint   show
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pivot joint   show
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show rounded head of radius pivots along ulna and permits radius to rotate  
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dens of axis and anterior arch of atlas   show
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show biaxial joint (moves in two planes), is oval, convex surface articulating with concave surface (i.e. metacarpophalangeal joints of fingers 2 to 5 (knuckles)  
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metacarpophalangeal joints   show
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show convex and concave surfaces resembling the saddle shape that is biaxial and allows for greater range of movement than condylar or hinge joints (i.e. carpometacarpal joint of the thumb - permits thumb to move toward other fingers)  
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ball-and-socket joint   show
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lever   show
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show speed and distance of movement produced by a force, the direction of the force applied, and the strength of the force (how a body makes motion)  
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show force applied to one point  
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resistance   show
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fulcrum or axis   show
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show effort exceeds resistance  
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show part of the lever from fulcrum to point of effort  
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show part of lever from fulcrum to point of resistance  
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biomechanics   show
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show 1st class, 2nd class, and third class  
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1st class lever   show
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2nd class lever   show
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show AFR (axis, force in the middle, and then resistance), effort arm is shorter than resistance arm (i.e. golf club, bicep curl), advantage - allows greater range of motion and greater speed of motion  
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movements of synovial joints   show
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show two opposing surface slide back-and-forth or side-to-side leaving the angle between the bones unchanged (only limited movement in either direction and typically occurs along plane joints) (i.e. between carpals and tarsals)  
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show one of the four types of motion occurring at synovial joints that either increases or decreases the angle between two bones (includes: flexion, extension, hyperextension, lateral flexion, abduction, adduction, and circumduction)  
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show movement in the sagittal and decreases the angle between the bones (bones brought closer together) (i.e. bending finger toward the palm)  
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show opposite of flexion, increases angle between articulating bones (i.e. straightening fingers after making a fist)  
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hyperextension   show
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show trunk of body moving in coronal plane laterally (side bending), occurs primarily between vertebrae in the cervical and lumbar region  
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show lateral movement of body part away from midline (i.e. arm or thigh moved laterally from body midline)  
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abduction of fingers   show
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adduction   show
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show proximal end of appendage relatively stationary and distal end makes a circular motion (imaginary cone-shaped motion) (occurs as a result of flexion, abduction, extension, adduction, internal, & external rotation)(i.e. drawing a circle on the blackboard)  
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rotation   show
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show turns anterior surface of femur or humerus laterally  
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show turns anterior surface of femur or humerus medially  
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pronation   show
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supination   show
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show occur at specific joints and do not readily fit other functional categories  
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depression   show
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elevation   show
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dorsiflexion   show
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show talocrural joint is bent so the dorsum is pointed interiorly (i.e. ballerina on tip toes in full plantar flexion or stepping on the gas peddle)  
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inversion   show
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show occurs at intertarsal joints of foot only and is when the sole turns laterally  
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show anterior movement from anatomic position (i.e. jutting out the jaw anteriorly at temporomandibular joint, underbites, hug somebody)  
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show posterior movement from anatomic position (i.e. jutting out the jaw posteriorly at temporomandibular joint, major over bites, sticking out your chest)  
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show movement of thumb toward palmar tips of fingers at carpometacarpal joint, enables the thumb to grasp objects  
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show opposite movement in which the thumb is released from the palmar position  
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glenohumeral (shoulder) joint   show
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parts of the glenohumeral joint   show
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show covers the surface of the glenoid cavity and is meant to deepen the glenoid cavity to provide more stability  
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rotator cuff muscles   show
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show hinge joint composed of two articulations  
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show humeroulnar joint and the humeroradial joint  
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humeroulnar joint   show
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humeroradial joint   show
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ligaments of elbow joint   show
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radial collateral ligament   show
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ulnar collateral ligament   show
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annular ligament   show
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hip joint   show
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show fibrocartilaginous ring of the hip joint that further deepens the acetabulum making the joint more stable  
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show iliofemoral ligament, ischiofemoral ligament, pubofemoral ligament, ligament of the head of femur  
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iliofemoral ligament   show
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ischiofemoral ligament   show
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pubofemoral ligament   show
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ligament of the head of femur   show
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the hip joint gets its stability from...   show
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show flexion, extension, abduction, adduction, rotation, and circumduction  
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show largest and most complex diarthrosis that is primarily a hinge joint (can also be a rotational joint); capable of slight rotation and lateral gliding when flexed  
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knee joint is composed of two separate articulations   show
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show between condyles of femur and condyles of tibia  
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show between patella and patellar surface of femur  
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show quadriceps tendon, patellar ligament, lateral (fibular) collateral ligament, medial (tibial) collateral ligament, cruciate ligaments, anterior cruciate ligament (ACL), posterior cruciate ligament (PCL), medial meniscus, and lateral meniscus  
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show passes over knee's anterior surface and the patella is embedded here  
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patellar ligament   show
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lateral (fibular) collateral ligament   show
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show reinforces medial surface of knee joint, extends from femur to tibia, and prevents hyper abduction of leg at the knee  
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cruciate ligament   show
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show extends from posterior femur to anterior tibia, prevents hyperextension, and prevents tibia moving too far anteriorly on the femur  
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posterior cruciate ligament (PCL)   show
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medial meniscus and lateral meniscus   show
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ankle joints   show
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show between talus and malleoli of tibia and fibula and allow plantarflexion and dorsiflexion  
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show between talus and calcaneous (below talus), and allows PF/DF (at talocrural joint), inversion and eversion  
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