ZOOL 2403 Boros lecture exam 1 Questions and Answers 2024;full solution pack

how is joint stability affected by range of movement? - Answer-joint stability decreases as mobility increases and vice versa what are the 3 functional classifications of joints? - Answer-immovable, slightly moveable, and synovial what are the 4 major components of a synovial joint? - Ains a cavity 2. surrounded by connective tissue capsule 3. inner surface of capsule is lined by a synovial membrane 4. articular surfaces covered with articular cartilage 4 accessory structures of synovial joints? - Alage 2. ligaments 3. tendons 4. bursae where are synovial joints found? - Answer-at the ends of long bones when you are in anatomical position, all major joints are ______ - Answer-extended and adducted what is an axis - Answer-a straight line about which the body rotates Flexion - Answer-reduces the angle between 2 bones Extension - Answer-increases angle between 2 bones Dorsiflexion - Answer-Extension at ankle (flexing of foot) Plantar Flexion - Answer-Flexion at ankle (pointing foot) Lateral Flexion - Answer-bends vertebral column from side to side Abduction - Answer-(in frontal plane) moves away from your central axisAdduction - Answer-(in frontal plane) moves toward your central axis medial rotation - Answer-rotates toward your central axis lateral rotation - Answer-rotates away from central axis pronation - Answer-rotates forearm- radius over ulna supination - Answer-forearm in anatomical position-Soupbowlination protraction - Answer-moves anteriorly (moving forward) retraction - Answer-moves posteriorly (pulling back) elevation - Answer-moves in superior direction (up, closing mouth) depression - Answer-moves in inferior direction (down, opening mouth) how does movement occur? - Answer-when muscles contract