Praxis 5857 Practice Test Practice Question
The type of joint responsible for movement of the elbows and knee is called?
Correct Answer: B
Rationale: Hinge joints, such as those in the elbows and knees, allow for movement in one plane, enabling flexion and extension. This design is crucial for activities like bending the arm or leg.
Gliding joints (A) permit limited movement in multiple directions but are not suited for the significant bending motion seen in the elbow and knee.
Saddle joints (C) allow for a greater range of motion, including back-and-forth and side-to-side movement, but are not found in the elbow or knee.
Pivot joints (D) enable rotational movement around a single axis, which is not the primary function of the elbow or knee.
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