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BIO 047
True or false, the appendicular skeleton is the part of the skeletal system that allows us to perform a wide variety of movements?
True
The pectoral girdle consists of ____ and ____.
Clavicle, scapula
The pectoral girdle attaches _____ _____ to _____.
Upper limbs, trunk
What makes dislocations and other shoulder injuries common?
The shallowness of the shoulder joint. The more shallow a joint is, the less stability it has.
The clavicles contain 2 ends, what are they and which is medial/lateral?
Acromial end (flat) - lateral
Sternal end (rounded) - medial
Which process is found on the scapulae?
Coracoid process
The spine of the scapulae separates the ____ fossa and the ____ fossa.
Supraspinous, infraspinous
What is the only bone of the arm?
Humerus
Aside from the epicondyles, the humerus contains these processes on its distal end.
Capitulum & trochlea
What are the 3 locations that the radius and ulna articulate at?
Proximal radioulnar joint
Distal radioulnar joint
Interosseous membrane
The coronoid fossa resides on the ____.
Humerus
The capitulum directly connects to the head of the ____.
Radius
The trochlea directly connects to the head of the ____.
Ulna
What is the main bone responsible for forming the elbow joint, but plays little to no role in hand movement?
The ulna
This forearm bone directly articulates with the carpals and contributes heavily to the wrist joint.
Radius
The ____ forms the true wrist.
A. Metacarpals
B. Carpus
C. Phalanges
B. Carpus
Name the 8 carpal bones in order from lateral to medial starting in the proximal row.
Proximal row - Scaphoi, lunate, triquetrium, pisiform
Distal row - Trapezsium, trapezoid, capitate, hamate
Which finger has no middle phalanx?
The thumb
Auricular surface of the ilium attaches to auricular surface of the ____.
Sacrum
The pelvic brim includes
A. pubic crest
B. arcuate line
C. inferior edge of sacral ala
D. sacral promontory
E. all of the above
E. all of the above
“ala” describes ____.
A wing-like structure
____ tuberosities are the strongest part of the hip bone, as they bear our weight when sitting.
Ischial
_____ forms the superior region of the coxal bone.
A. Pubic
B. Ischium
C. Ilium
C. Ilium
____ forms the lateral aspect of the hip bone.
A. Pubis
B. Ilium
C. Ischium
A. Pubis
The false pelvis is the ____ pelvis and ____ to the pelvic brim.
A. Greater, superior
B. Lesser, inferior
C. Lesser, superior
D. Greater, inferior
A. Greater, superior
The “false” pelvis is given its name because
A. It lacks a pubic symphysis
B. It does not articulate with the sacrum
C. It is only present in women's pelves
D. It does not directly house any reproductive organs
D. It does not directly house any reproductive organs
What is one of the distinctions between female and male pelves?
Female pelves are wider/shallower to accommodate childbearing while male pelves are narrower and deeper.
This is the strongest and longest bone of the body.
Femur
The femur contains ____ shaped condyles on its posterior distal end, which helps it roll on the flat tibial condyles to form the knee.
Wheel-shaped
The name given to the deep depression between the medial and lateral condyles.
Intercondylar fossa
What are the 3 points of articulation between the tibia and fibula?
Proximal tibiofibular joint
Distal tibiofibular joint
Interosseous membrane
While the hand is composed of carpus, metacarpals, and phalanges, the foot is composed of ____, ____, and ____.
tarsus, metatarsus, and phalanges
Which of the following is NOT a structure of the foot?
navicle
cuneiform
metacarpal 1
talus
metacarpal 1
The lateral malleolus belongs to the ____ and forms ____.
A. Fibula, the lateral bulge of the ankle
B. Femur, the pit on the head of the femur
C. Tibia, the medial bulge of the ankle
D. Gluteus, the posterior side of the buttocks muscle
A. Fibula, the lateral bulge of the ankle
Note 
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