WileyPlus A & P I lecture chapter 9 test

Which type of synovial joint will have more movement at the expense of stability?

F

Forming a fist, requires the fingers to perform what motion?

Flexion

A fast-pitch softball player releases the ball after a windmill motion. What movements occur doing the windmill motion? Select all that apply.

Flexion Abduction Adduction Rotation

When flexing your torso laterally, the movement occurs along what body plane?

Frontal

To peer over a fence, the calf muscles help you stand on your toes. What movement is being performed?

plantar flexion

Which is an autoimmune disease that affects the joints?

rheumatoid arthritis

Gliding occurs between

flat bones or slightly curved bones.

Bending over and touching your toes describes what movement in reference to your intervertebral discs?

flexion

What is the functional and structural classification of the joint in the picture?

synarthrosis and Gomophosis

Articular discs 1. maintain the stability of a joint; 2. direct flow of the synovial fluid to areas of greatest friction; 3. are made of hyaline cartilage; 4. are only found in the vertebral column.

1 and 2

Which of the following structures is used to reduce friction in joints? 1. Bursae; 2. Synovial fluid; 3. Accessory ligaments; 4. Labrum

1 and 2

Which combination of statements accurately describes the joint highlighted in the picture?

1, 4, 7 and 8

Moving the humerus laterally at the shoulder joint is an example of which type of movement?

Abduction

Which of the joints exhibits flexion and extension and is uniaxial?

B

Which joint, in the diagrams, can perform rotation? Select all that apply.

B,D,H

In the figure, what type of joint represents the atlanto-axial joint?

C

Which joint can perform only flexion, extension and abduction, adduction and circumduction? Select all that apply.

D & E

Which statement describes the function of a meniscus?

It helps absorb shock and distributes weight.

Which characteristics describe a condyloid joint? (Select all that apply)

It is considered to be biaxial. It can be found in the wrist.

When you snap your thumb against your middle and forefinger, what motion is being performed?

Opposition

The radial head articulating with the radial notch of the ulna represents what type of synovial joint?

Pivot joint

Which structural category of a synovial joint allows movement within a single axis? Select all that apply.

Planar Hinge

When a body builder flexes their biceps brachii, what motion is occurring?

a decreased angle between articulating bones

Which is a degenerative joint disease in which joint cartilage is gradually lost due to a combination of aging, obesity, wear and abrasion of the joints?

osteoarthritis