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three structural classes of articulations are
fibrous, cartilaginous, and synovial joints
Joints may be classified functionally on the basis of
extent of movement allowed by the joint
What are the three functional classes of joints?
synarthroses, amphiarthroses, diarthroses
The term cartilaginous is based on word root that literally translates as
A synarthrosis found only between adjacent skull bones is a
In which kind of articulation does a periodontal ligament hold a tooth in its
plates in growing bones are examples of which type of articulation?
The word root anulus most nearly means
Articulating bones are separated only by a pad of fibrocartilage in a
All of the following characterize a synovial joint except
typically permits little or no movement
Which of the following is not a function of synovial fluid?
attacks pathogens and foreign particles
The word root bursa most nearly translates as
Bursae are fibrous, saclike structures that are lined by a synovial membrane and
Which term describes a joint injury in which the articulating bones have
A joint that permits movement in two planes is classified as
In which type of angular motion does the bone move away from the midline,
usually in the coronal plane?
When a bone pivots around its own axis, this movement is described as
Which type of special movement involves turning the sole of the foot laterally?
Which special movement crosses the radius and ulna so that the palm faces
Protraction is a movement of a body part in which direction?
anteriorly in the horizontal plane
Examples of ____________ joints are found between the metacarpals and phalanges
of fingers 2 through 5.
Of the following, which type of synovial joint limits angular movements to a
Examples of planar joints include
- intercarpal joints
- intertarsal joints
- vertebrocostal joints
- all of the above
The intervertebral joints permit which of the following movements?
The elbow is an extremely stable joint because of
- interlocking surfaces of the humerus and ulna
- a fairly thick, protective articular capsule
- strong ligaments reinforcing the capsule
- all of the above
The articulation between the trapezium and the first metacarpal is a
All of the following characterize the coxal joint except
only slightly less stable than glenohumeral joint
The talocrural (ankle) joint is a highly modified hinge joint including
articulations between which bones?
tibia, fibula, and talus
Which of the following are found in the foot?
- interphalangeal joints
- intertarsal and tarsometatarsal joints
- metatarsophalangeal joints
- all of the above
The structural category comprising mostly temporary joints also includes
which of the following?
Which two of the following joints are structurally most similar?
inferior tibiofibular joint, coronal suture
Which two of the following joints are functionally most similar?
atlanto-occipital joint, elbow joint
Of the following joints, which two are most similar in the details of
both structure and function?
(1) coxal (2) talocrural (3) sacroiliac
1 and 4
Gliding, angular, rotational, and special all
Cartilage always connects two bones within a ____________, but a single length
of cartilage may form a ____________ at one end and a different kind of joint at
Articular cartilage is a special type of ____________ that lacks ____________.
hyaline cartilage; a perichondrium
What happens in the most severe form of shoulder separation?
What type of movement occurs at the humeroulnar joint?
Which of the following correctly matches a ligament of the knee joint with one
of its stabilizing functions?
lateral collateral ligament prevents hyperadduction of the leg
Which of the following sets includes only synovial joints that contain
fibrocartilage within their articular capsules?
temporomandibular, glenohumeral, and knee
Each of the following correctly matches a structural category of joint with a
movement that it permits except
Supination is to lateral rotation as ____________ is to medial
Which of these joints permits dorsiflexion and plantar flexion?
Which special movements involve raising a body part away from the floor relative
to the anatomic position?
elevation and dorsiflexion
Rank the following joints in order from the least movable to the most freely
movable: (1) elbow (2) glenohumeral (3) acromioclavicular (4) coxal (5)
3, 1, 5, 4, 2
Of the following joints, which are partitioned into two parts by an articular
disc, creating two separate synovial cavities (essentially, "two joints in
sternoclavicular and temporomandibular
Which one of the following is actually two separate articulations enclosed in a
single articular capsule?
Each of the following selections names only planar synovial joints except
tarsometatarsal and carpometacarpal joints
The ____________ joint is a ____________ joint that allows rotational movement.
Which type of angular motion describes a circular path?
The intercarpal and intertarsal joints are classified as
- uniaxial joints
- synovial (planar) joints
- gliding diarthroses
- all of the above
Whereas the first sternocostal joint is a ____________, the articulations
between the sternum and ribs 2-7 are ____________.
synchondrosis; planar joints
The greatest range of mobility of any joint in the body is found in the
A twisting motion of the foot that turns the sole laterally is called
A _____ is formed when two bones previously connected in a suture fuse.
The ligament that helps to maintain the alignment of the condyles between the
femur and tibia and to limit the anterior movement of the tibia on the femur is
anterior cruciate ligament
The glenohumeral joint is primarily stabilized by the
rotator cuff muscles that move the humerus.
In a biaxial articulation
movement can occur in two planes.
A metacarpophalangeal (MP) joint, which has oval articulating surfaces and
permits movement in two planes, is what type of synovial joint?
The ligament that is not associated with the intervertebral joints is the
Which of the following is a function of synovial fluid?
- lubricates the joint
- provides nutrients for bone
- absorbs shock within the joint
- All of these are correct.
All of the following movements are possible at the radiocarpal joint except