3020 Lecture 15a
Amber Stokes・2 minutes read
Muscle action at joints like ball and socket or hinge joints enables different types of movements like universal twisting or simple one-direction motion. These joints, such as hips and knees, facilitate a wide range of motion for limbs like arms and legs.
Insights
- Ball and socket joints like hips and shoulders provide universal movement in all directions, allowing for a wide range of motion in limbs.
- Hinge joints, such as those found in knees and elbows, enable straightforward movement in one direction, showcasing a basic form of movement below the joint.
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Recent questions
What are ball and socket joints?
Joints allowing universal movement in all directions.
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Summary
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Types of Joints: Hinge and Ball-and-Socket
- Skeletal movements are facilitated by muscle action at joints or articulations, where bones meet. These joints, such as ball and socket joints like hips and shoulders, allow for universal movement in all directions and twisting of the ball, enabling a wide range of motion for limbs like arms and legs.
- Another type of joint is the hinge joint, seen in areas like knees and elbows, which allows for simple movement in one direction. This joint is exemplified by the knee joint, showcasing a basic form of movement below the joint.
