A&P Chapter 8
What is the unique compromise of the articulations in the appendicular skeleton?
The stronger the joint, the more restricted the range of motion.
Where does the deltoid tuberosity run?
along the lateral surface of the humerus
The ___________ marks the end of the joint capsule, whereas the ______ is the point where fractures generally occur.
anatomical neck; surgical neck
What rough area of the ilium marks the site of articulation with the sacrum?
auricular surface
The general appearance of the female pelvis is different from the male in that the female pelvis is
broad, light, and smooth
The large heel bone that transfers your body weight to the ground is the
calcaneus
Which of the following tarsals forms the bone of the heel?
calcaneus
The largest carpal bone in the hand is the __________.
capitate
The humerus articulates with the scapula at the ____________.
glenoid fossa
The process on the humerus located near the head that establishes the contour of the shoulder is the __________.
greater tubercle
What is the term given to the big toe?
hallux
The distal end of the tibia bears the ___________.
medial malleolus
Which bones form the palm of the hand?
metacarpals
The distal portion of the foot is made of bones called __________.
metatarsals
The surfaces of the scapulae and clavicles are extremely important as sites for
muscle attachment
The bone of the ankle that is just posterior to the medial cuneiform is called the
navicular bone
The superior lip of the trochlear notch of the ulna is formed by the __________.
olecranon
Which feature of the ulna forms the point of the elbow?
olecranon
The depression on the posterior medial surface of the distal end of the humerus is called the
olecranon fossa
When the forearm is extended, the __________ fits into the __________.
olecranon; olecranon fossa
The olecranon fossa on the humerus is located on the bone's _____________ side
posterior
The spine of the scapula is located on the bone's _________ side
posterior
The coccyx points inferiorly in
the female pelvis
The fovea capitis is a depression in __________.
the femoral head
The large medial bone of the lower leg is the
tibia
What is the medial bone of the lower leg?
tibia
The wrist contains __________ carpal bones in __________ rows.
8; 2
In a female, the angle at the pubic symphysis is greater than ____________.
90 degrees
What factors are used in determining the age of a skeleton?
Mineral content of bones, presence or absence of epiphyseal plates, and size and roughness of bone markings
When a person fractures the fibula, why does walking become difficult?
The fibula provides lateral stability to the ankle joint.
What does the appendicular skeleton include?
The pelvic girdle, pectoral girdle, and upper and lower limbs
What is the common name for collarbone?
clavicle
Which bone provides the only fixed support for the pectoral girdle?
clavicle
The bones of the pectoral girdle include the __________
clavicle and scapula
The scapula has two large processes called the ___________ and the __________
coracoid; acromion
When the forearm is flexed, the __________ fits into the __________.
coronoid process; coronoid fossa
The pelvic bone or ________, is the result of the fusion of _____ bones.
coxa; three
The head of the ulna is located __________ to the ulnar tuberosity.
distal
In the female pelvis you would expect the iliac crests to be
farther apart than the male pelvis
What bone articulates, or forms a joint, with the acetabulum?
femur
What is the largest and heaviest bone in the body?
femur
What is the longest and heaviest bone in the human body?
femur
The term "phalanges" is used for the bones of the
fingers and toes
The pelvic inlet of a male is in what shape?
heart
The calcaneus forms the
heel
Alternate name for "coxal bones"
hip bones
Which bones contribute to the formation of the acetabulum?
ilium, ischium, and pubis
The bones of the pelvic girdle include the
ilium, pubis, and ischium
"sitting bones"
ischial tuberosities
When you sit down, you are resting your weight on your
ischial tuberosities
The malleolus of the fibula is always on the ___________ aspect of the leg
lateral
What is the prominent deviation that runs along the center of the posterior surface of the femur which serves as an attachment site for muscles that abduct the femur?
linea aspera
Weight transfer occurs along the __________ of the foot.
longitudinal arch
Which pelvis is more narrow, male or female?
male
Which features, found on the tibia and fibula, provide(s) support for the ankle joint?
malleoli
The distal processes of the tibia and fibula that act as a shield for the ankle are the
malleolus
The clavicles articulate with a bone of the sternum called the
manubrium
What is the large sesamoid bone found in the tendon of the quadriceps femoris?
patella
The primary function of the pectoral girdle is to
position the shoulder joint and provide a base for arm movement
What structure is associated only with the radius and not with the ulna?
proximal head
What structural characteristics of the pectoral girdle allow for a great deal of movement?
relatively weak joint
The lumbar spine and pelvic girdle articulate with the
sacrum
The proximal wrist bones, from lateral to medial, are __________.
scaphoid, lunate, triquetrum, pisiform
At its proximal end, the round head of the humerus articulates with the __________.
scapula
The coracoid process and acromion are parts of the
scapula
Which bone articulates with the humerus to form the shoulder joint?
scapula
Which bone has a glenoid cavity that is the site of articulation with the humerus in the pectoral girdle?
scapula
On the clavicle, the _________ articulates with the manubrium
sternal end
What is the only bone in the ankle that articulates with the tibia and the fibula?
talus
What are the bones of the ankle?
talus, cuboid, navicular, calcaneus, and three cuneiforms
The radial fossa is proximal to
the capitulum
The sacrum or coccyx are curved in
the male pelvis
Each coxa attaches to other bones through
the pubic symphysis and sacral joints
The pollex is the
thumb
The distal carpal bones, going from lateral to medial, are __________.
trapezium, trapezoid, capitate, and hamate
The distal carpals are the __________.
trapezium, trapezoid, capitate, and hamate
The small, pea-shaped pisiform bone sits anterior to the __________ bone.
triquetrum
A process on the medial side of the distal end of the humerus is the
trochlea
What is found on the distal portion of the humerus?
trochlea
The trochlea of the humerus articulates with what bone?
ulna
In anatomical position the ________ lies medial to the ________
ulna; radius
Carpal tunnel syndrome is an inflammation of the
wrist