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Chapter 8: The Appendicular System - Exam 2
Terms in this set (64)
The appendicular skeleton consists of bones of the ___________, ___________, ___________, __________, and other bones that connect the limbs to the axial system.
arms, legs, hands, feet
The pectoral girdle contains the ____________ and the _____________.
scapula + clavicle
The clavicle articulates with the manubrium of the sternum. This is the direct connection between the __________________ and the ____________________.
pectoral girdle + axial skeleton
______________________ is the small, anterior projection of the scapula that extends over the superior margin of the glenoid fossa.
The clavicle articulates with the scapula at the ________________________.
The bones of the forearm include the ___________ and the _____________.
ulna + radius
The ulna is located ______________ to the radius.
The radius is located ______________ to the ulna.
The ____________ process is found on the ulna bone.
The ________________ is found on the humerus.
The olecranon fossa receives the ___________________ when forearm is extended.
The ______________ articulates with both ULNA and CARPALS BONES (wrist).
The roughened, V-shaped process along the lateral border of the shaft of the humerus is the ________________________.
__________________________ serves as a point of attachment for the tendons of the deltoid muscle.
The ____________ process of the radius assists in stabilizing of the wrist joint.
______________ are bones that form the wrist.
Carpals (8 carpals bones)
_____________ are bones that form the ankle.
Tarsals (7 tarsal bones).
______________ are bones that form the palm of the hand.
Metacarpals (5 metacarpals)
_____________ are bones that form the sole of the foot.
Metatarsals (5 metatarsals)
_____________ are the bones that form the fingers and toes.
Phalanges (14 phalanges)
__________, ____________, & ___________ are parts of the pelvic girdle or os coxae.
Ilium, ischium, and pubis
The hip bones, sacrum, and pubis symphysis form the _________________.
The head of the femur articulates with the hip bones at the _________________.
The largest coxal bone is the _____________.
______________ has the greater sciatic notch.
______________ has the lesser sciatic notch.
The superior border of the ilium that acts as a point of attachment for both ligaments and muscles is the ______________.
When seated, the body weight is borne by the _______________ of the ischium.
The _______________ projects above the lesser sciatic notch.
The pubic and ischial rami encircle the _______________________.
The longest and heaviest bone in the body is the ___________.
The distal end of the tibia articulates with the _______________ bone of the ankle.
The MEDIAL bulge (medial malleolus) at the ankle is projection from the ____________.
The LATERAL bulge (lateral malleolus) at the ankle is projection from the ______________.
The injury in which both the lateral malleolus and medial malleolus are broken is called _____________________.
The fibula notch of the tibia articulates with the fibula to form __________________________.
distal tibiofibular joint
The ____________________ of the tibia articulates with the head of the fibula.
The ____________ does not articulate with the femur at the knee joint.
The ___________________ is also called the calcaneus bone that attaches to the Achilles tendon.
The sole of the foot is supported by both _________ and ____________.
metatarsals and tarsals
The great toe is called ___________.
The thumb is called _________________.
The Achilles tendon attaches to the ____________.
The ______________ is the largest and strongest tarsal bone.
The _____________ is the largest carpal bone.
How many carpal bones are there?
Proximal row starting from the thumb (carpal bones; 4)
Distal row starting from the thumb (carpal bones; 4)
How many tarsal bones are there?
Name the tarsal bones (7)
5. Three CUNEIFORMS
The _____________ is broken in 70% of carpal fractures.
When standing, the body weight is transmitted to the ground by the __________ and _________.
talus and calcaneus
The ________________ is the only bone of the foot that articulates with the fibula and tibia to form ankle joint.
____________________ is due to weakness in the ligaments and tendons that attach the calcaneus to the distal ends of the metatarsals.
Male Pelvis (6)
a. Heavy, rough textured bone
b. Heart-shaped pelvic inlet
c. Angle of public arch < 90-100 degree
d. Deep iliac fossa
e. Ilia extend father above the sacrum
f. Coccyx points anteriorly that cause smaller pelvic outlet.
Female Pelvis (5)
b. Round pelvic inlet
c. Angle of public arch > 90-100 degree
d. Ilia extend shorter above the sacrum
e. Coccyx points inferiorly
Age-related changes in the skeleton include (4):
a. Closure of fontanels (presence of fontanels indicates young age)
b. Reduction in mineral content (elderly is prone to bone loss)
c. Appearance of major vertebral curves
d. Fusion of the coxal bones
The longitudinal arch (3):
a. Protect the nerves and blood vessels by providing the safe path for the nerves
b. Acts as a shock absorber
c. Provides an elastic cushion for our feet
the bony edge of the true pelvis
encloses the pelvic cavity and its superior limit is a line that extends from either side of the base of the sacrum
consists of the expanded, bladelike portions of each ilium superior to the pelvic brim
the space enclosed by the true pelvis
the opening bounded by the coccyx, the ischial tuberosity, and the inferior border of the pubic symphysis
the surface region bounded by the inferior edges of the pelvis
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