Trail Guide to the Body Exam Questions & Answers 2023/2024
axial skeleton - ANSWER-skeleton's center: includes cranium, vertebral column, ribs, sternum, and hyoid bone
appendicular skeleton - ANSWER-skeleton composed of arms & legs, including pectoral girdle (scapula & clavicle) & pelvic girdle (hips)
15% - ANSWER-skeleton makes up ___ of the body's weight
synovial joints - ANSWER-contain a joint cavity that allows for movement
ball-and-socket joint - ANSWER-spherical surface of one bone fits into the dish-shaped depression of another bone (capable of movement in every plane)
shoulder - ANSWER-an example of a joint capable of circumduction
hinge joint - ANSWER-allows only flexion & extension, similar to the movements of a door hinge.
elbow - ANSWER-example of a hinge joint
gliding joint - ANSWER-usually between two flat surfaces & allows the least movement of all synovial joints, only small shifting movements are possible at these articulations
carpal bones & tarsal bones - ANSWER-examples of gliding joints
ellipsoid joint - ANSWER-consists of oval-shaped end of one bone articulating with the elliptical basin of another bone, it permits flexion/extension & abduction/adduction
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