Ch 8 and 9 Skeletal System and Joints
______tips the soles medially, like facing each other, and______tips the soles laterally, away from each other.
Inversion; eversion
_________are the least movable joints.
Synostoses
A monoaxial joint like the elbow is capable of which one of the following movements?
flexion and extension
A hole through a bone that usually allows a passage for nerves and blood vessels is called a(n)
foramen
The axis is the only vertebrae with a....
dens (odontoid process)
The radioulnar joint is a
pivot joint.
The average number of bones in the adult skeleton
206
Vertebrae are divided into 5 groups, usually___cervical,_____thoracic,_____lumbar,______sacral, and______coccygeal.
7;12;5;5;4
Which is the most stable joint?
Coxal joint
The_______is not found in the elbow
Distal radioulnar joint.
______are not facial bones. (parietal, maxillae, lacrimal, nasal, palatine)
Parietal bones
What structure in the knee prevents hyperextension?
The anterior cruciate ligament (ACL).
_______joint is a multiaxial joint.
The humeroscapular
Which interverebral disc is the largest?
The one between L4 and L5
________is not found as a part of the temporal bone.
The sella turcica
What do sutures, gomphoses and syndesmoses have in common?
These are fibrous joints.
Raising and arm to one side of the body to stop a taxi is an example of______of the shoulder.
abduction
The______deepens the socket of the hip joint and helps stabilize the joint.
acetabular labrum
A(n)_______is a sac of fluid associated with a synovial joint.
bursa
A rounded knob that articulates with another bone is called a
condyle
Radial (lateral) and ulnar (medial) collateral ligaments restrict side to side movements of the______joint.
elbow
All the bones listed below belong to the appendicular skeleton except the (clavicle, patella, ethmoid, ulna, carpals)
ethmoid
There are two of each of the following bones except for the unpaired (ethmoid, parietal, maxillae, zygomatic, palantine)
ethmoid
The acetabulum articulates with the
femur.
Unlike other joints, a________does not join two bones to each other.
gomphosis
The brachium contains the______, whereas the antebrachium contains the_______.
humerus; radius and ulna
The rotator cuff tendons enclose the shoulder joint on all sides except______, which explains in part the nature of most shoulder dislocations.
inferiorly
The jaw joint is the articulation of
mandible and temporal bone.
If you stand on tiptoes to reach something high, you are performing________at the ankle.
plantar flexion
The________does not belong to the tibiofemoral joint.
posterior tibiofibular ligament.
Your shoulders________when you reach to push a revolving door.
protract
Costal cartilages connect
ribs with the sternum
All of the bones below belong to the axial skeleton, except______, which belongs to the appendicular skeleton. (frontal, mandible, scapula, thoracic vertebrae, stapes)
scapula
The glenoid cavity of the______articulates with the head of the_______.
scapula; humerus
The_____houses the pituitary gland (hypophysis) and is found in the_____.
sella turcica; sphenoid bone
Fontanels are________in an infant.
spaces between the unfused cranial bones
The______belongs to the thoracic cage, whereas the_____belongs to the pectoral girdle.
sternum; clavicle
The______bursa does not belong to the glenohumeral joint.
subpatellar
Most of the bones of the skull are connected by immovable joints called
sutures
The joint between L2 and L3 is a....
symphysis
The joint between the costal cartilage 1 and the sternum is a______, whereas the other costal cartilages are joined to the sternum by_____joints.
synchondrosis; synovial
The temporomandibular joint is a(n)______joint.
synovial
________are the most movable joints.
synovial joints
Sinuses are not found in the..
temporal bone.
Which is the largest and most complex diarthrosis in the body?
the knee
Range of motion of a joint is normally determined by the following factors except
the length of the bone.
All of these contribute to the wall of the orbit except...
the nasal bone.
These are all structures found in the shoulder joint except.....
the radioulnar ligament.
Some joints become synostoses by....
the replacement of fibers with bone.
The talocrural joint is a meeting of...
the tibia, fibula and talus.
