A & P Biol 2401 anatomy 1 and lab chapters 8,9,10

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Which of the following is an example of a ball-and-socket joint?

shoulder

Which of the following movements is a good example of abduction?

Spreading the fingers

As the tendon of the biceps brachii muscle runs through the shoulder joint and passes through the articular capsule, it is surrounded by which structure?

Tubular bursa

________ subdivide synovial cavities, channel the flow of synovial fluid, and allow for variations in the shapes of the articular surfaces.

menisci

An extension past the anatomical position is known as

hyperextension

An immovable joint is a(n)

synarthrosis.

Which of the following movements is a good example of supination?

turning the hand palm upward

Which type of synovial joint is the glenohumeral joint?

ball-and-socket join

Which of the following is not a characteristic of articular cartilage?

It secretes synovial fluid.

What is the function of the annulus fibrosus?

Its collagen fibers attach the intervertebral disc to the bodies of adjacent vertebrae.

A movement away from the midline of the body is termed

abduction

Joints can be classified structurally as a. fibrous b. synovial c. cartilaginious d. bony e. all of the answers are correct

all of the answers are correct

Small pockets of synovial fluid that reduce friction and act as a shock absorber where ligaments and tendons rub against other tissues are called

bursae

The radiocarpal joint is a(n) ________ joint.

condylar

Synovial joints are classified functionally as:

diarthroses

A freely movable joint is a(n)

diarthrosis.

Lifting a stone with the tip of the foot is

dorsiflexion

The glenoid fossa is rimmed by the fibrocartilaginous

glenoid labrum.

The elbow joint is an example of a ________ joint.

hinge

A common injury to the ankle occurs by excessive turning of the sole inward, termed

inversion

The movement of rotating a limb outward is called

lateral (external) rotation.

Bending the vertebral column from side to side is an example of:

lateral flexion

Which of the following is not a function of synovial fluid?

ncreasing osmotic pressure within joint

Which bone-associated structure(s) is/are continuous with the capsule of the joint, adding strength and helping to stabilize the joint?

periosteum

The weakening of which primary vertebral ligament may result in the condition called a bulging disc?

posterior longitudinal ligament

At which joint do pronation and supination occur?

proximal radio-ulnar joint

Which appendicular joint firmly attaches the axial skeleton to the pelvic girdle?

sacro-iliac joint

The joint that permits the greatest range of mobility of any joint in the body is the ________ joint.

shoulder

Factors that increase the stability of the hip joint include: a. strong muscular padding b. almost complete bony socket c. tough capsule d. supporting the ligaments

e. all of the above

Usually found outside the capsule, ________ protect the articular cartilages and act as packing material for the joint.

fat pads

The movements known as dorsiflexion and plantar flexion involve moving the

foot


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