A&P 1 synovial joint movements notes
This study set covers the various movements associated with synovial joints, including terms and definitions essential for understanding joint functionality in human anatomy.
Quiz(24 questions)
1. What type of movement decreases the angle between two body parts?
Terms in this Study Set(24)
Types of Synovial Joint Movements(12)
Flexion → ?
A decrease in the angle between two body parts, such as bending the elbow.
Extension → ?
An increase in the angle between two body parts, such as straightening the knee.
Abduction vs. Adduction
Abduction: movement away from the midline. Adduction: movement toward the midline.
What is Rotation?
The circular movement of a joint around a central axis. Examples include turning the head.
True or False: Circumduction is a combination of movements.
True. It involves flexion, extension, abduction, and adduction in a circular motion.
Opposition → ?
The movement of bringing the thumb across the palm to touch the fingertips.
What is Supination?
The rotation of the forearm that turns the palm upward, as in holding a bowl of soup.
What is Pronation?
The rotation of the forearm that turns the palm downward, as in spilling soup.
Dorsiflexion vs. Plantarflexion
Dorsiflexion: lifting the foot upwards. Plantarflexion: pointing the toes downward.
What is Inversion?
The movement of the sole of the foot towards the midline of the body.
What is Eversion?
The movement of the sole of the foot away from the midline of the body.
Cause → Effect of Synovial Movements
Cause: Joint structure. Effect: Allows a wide range of motion, essential for many activities.
Movement Descriptors(12)
Flexion → Definition?
The decrease in the angle between two body parts. Example: Bending the elbow.
What does extension refer to?
The increase in the angle between two body parts. Example: Straightening the knee.
True or False: Abduction brings a limb closer to the midline.
False. Abduction moves a limb away from the midline.
Adduction → Explain.
The movement of a limb toward the midline of the body. Example: Returning arms to the sides.
Circumduction → What is it?
A circular movement that combines flexion, extension, abduction, and adduction. Example: Arm circles.
What is rotation?
Movement around an axis. It can be medial (toward the body) or lateral (away from the body).
Fill in the blank: Pronation is to ___ as supination is to turning palm up.
Turning the palm down.
True or False: Dorsiflexion involves moving the foot upward.
True. It raises the toes toward the shin.
Plantar flexion → Definition?
The movement of the foot downward, increasing the angle at the ankle. Example: Standing on tiptoes.
Opposition → Describe the movement.
The thumb moves to touch the tips of the fingers. Important for grasping.
What is elevation?
The upward movement of a body part. Example: Shrugging the shoulders.
Depression → What does it mean?
The downward movement of a body part. Example: Lowering the shoulders.
Questions in this Study Set(24)
1. What type of movement decreases the angle between two body parts?
2. What is flexion?
3. Which movement increases the angle between two body parts?
4. Which of the following describes adduction?
5. Which of the following movements involves moving a limb away from the midline of the body?
6. What type of movement is circumduction?
7. What is the term for the circular movement at a joint?
8. True or False: Dorsiflexion involves moving the foot downward.
9. True or False: Circumduction includes a combination of flexion, extension, abduction, and adduction.
10. Which movement increases the angle at the joint?
11. What does opposition refer to in joint movements?
12. What does rotation refer to?
13. Which of the following movements turns the palm upward?
14. What is the purpose of opposition of the thumb?
15. What is the action of turning the palm downward called?
16. Fill in the blank: Pronation is to ___ as supination is to turning the palm up.
17. Which term describes lifting the foot upwards towards the shin?
18. What does elevation mean in terms of body movement?
19. Which movement involves pointing the toes downwards?
20. What is the opposite movement of elevation?
21. What movement occurs when the sole of the foot moves towards the midline?
22. Which of the following is NOT a type of synovial joint movement?
23. Which of the following is NOT a movement of the foot?
24. Which movement involves raising the toes toward the shin?
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