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8. Joints

Joint Movements

8. Joints

Joint Movements

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Multiple Choice

Movement of a limb towards the midline of the body is called __________.

Multiple Choice

The term nonaxial movement means __________.

Multiple Choice

Extension is the reverse of flexion.

Multiple Choice

What type of motion occurs at a synovial joint when one flat bone surface slips over another without appreciable angulation or rotation?

Multiple Choice

Decreasing the angle between bones is called __________.

Multiple Choice

In a uniaxial articulation, __________.

Multiple Choice

Which of the following movements is an example of circumduction movement?

Multiple Choice

Shrugging one's shoulders primarily involves __________.

Multiple Choice

What motion is ONLY possible at the thumb?

Multiple Choice

What type of motion is unique to mammals and is characterized by the posterior teeth gliding from side to side in a grinding motion?

Multiple Choice

Chewing involves the __________ joint.

Multiple Choice

A twisting motion of the foot that turns the sole inward is called __________.

Multiple Choice

__________ refers to movement of the radius around the ulna when the palms of the hands are rotated so that the palms are facing upward.

Textbook Question

Freely movable joints are a. synarthroses, b. diarthroses, c. amphiarthroses.

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Textbook Question

The structures that limit the range of motion of a joint and provide mechanical support across or around the joint are (a) bursae, (b) tendons, (c) menisci, (d) all of these.

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Textbook Question

Joint movements may be nonaxial, uniaxial, biaxial, or multiaxial. Define what each of these terms means.

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Textbook Question

Name two types of uniaxial, biaxial, and multiaxial joints.

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Textbook Question

Abduction and adduction always refer to movements of the (a) axial skeleton, (b) appendicular skeleton, (c) skull, (d) vertebral column.

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Textbook Question

Rotation of the forearm that makes the palm face posteriorly is (a) supination, (b) pronation, (c) proliferation, (d) projection.

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Textbook Question

Compare the structure, function, and common body locations of bursae and tendon sheaths.

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Textbook Question

A saddle joint permits _____ movement but prevents____movement. (a) rotational; gliding, (b) angular; gliding, (c) gliding; rotational, (d) angular; rotational.

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Textbook Question

Compare and contrast the paired movements of flexion and extension with adduction and abduction.

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Textbook Question

Standing on tiptoe is an example of___at the ankle. (a) elevation, (b) flexion, (c) extension, (d) retraction.

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Textbook Question

How does rotation differ from circumduction?

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Textbook Question

Examples of monaxial joints, which permit angular movement in a single plane, are (a) the intercarpal and intertarsal joints, (b) the shoulder and hip joints, (c) the elbow and knee joints, (d) all of these.

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Textbook Question

What is the specific role of the menisci of the knee? Of the anterior and posterior cruciate ligaments?

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Textbook Question

Decreasing the angle between bones is termed (a) flexion, (b) extension, (c) abduction, (d) adduction, (e) hyperextension.

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Textbook Question

Movements that occur at the shoulder and the hip represent the actions that occur at a____joint. (a) hinge, (b) ball-and-socket, (c) pivot, (d) plane.

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Textbook Question

List all six possible movements that can occur at the shoulder joint and name the prime mover(s) of each movement. Then name their antagonists.

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Textbook Question

Discuss the relative value (to body homeostasis) of immovable, slightly movable, and freely movable joints.

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Textbook Question

Of the following actions, the one that illustrates that of a second-class lever is (a) knee extension, (b) ankle extension (plantar flexion), (c) flexion at the elbow, (d) none of these.

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Textbook Question

Which types of movements are affected when the hamstrings are injured?

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. The joint between the two pubic bones and the intervertebral joints are examples of symphyses.

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Textbook Question

In general, when mobility of a joint______, its stability_______.

a. increases; increases

b. decreases; decreases

c. increases; remains unchanged

d. increases; decreases

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Textbook Question

Bone movement at a joint is described around an invisible line known as a/an:

a. synarthrosis.

b. axis.

c. sagittal plane

d.amphiarthrosis.

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Textbook Question

Define each of the following movements or movement pairs.

a. Flexion and extension

b. Adduction and abduction

c. Rotation

d. Circumduction

e. Dorsiflexion and plantarflexion

f. Elevation and depression

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. The shoulder joint is stabilized by the medial and lateral menisci.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. The hip joint is less stable than the shoulder joint, but it allows more motion.

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Textbook Question

Which of the following best describes the function of the anterior cruciate ligament?

a. It prevents posterior displacement of the tibia on the femur.

b. It prevents the tibia from moving too far laterally on the femur.

c. It prevents anterior displacement of the tibia on the femur and hyperextension.

d. It improves the fit between the femur and the tibia.

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Textbook Question

The structure that stabilizes the shoulder joint is known as the:

a. rotator cuff.

b. radial collateral ligament.

c. posterior cruciate ligament.

d. fibular collateral ligament.

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Textbook Question

Which factors contribute to the stability of the hip joint?

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Textbook Question

Lauren has hurt her knee playing soccer. She explains that during the match, someone tackled her, hitting her on the lateral side of her knee. You notice during your examination that she has excessive range of motion in her knee; specifically, you are able to hyperextend her knee and anteriorly displace her tibia on her femur. Her tibia also displaces laterally on her femur. What has likely happened to her knee? Explain.

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Textbook Question

Some individuals have an abnormally small and shallow glenoid labrum. How would this affect the stability of the shoulder joint?

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