Exercise 6: The Skeletal System (The Appendicular Skeleton) Flashcards
It is also known as shoulder girdle.
pectoral girdle
It consists of four bones: two scapulae and two clavicles.
pectroal girdle
It is a flat triangular bone with three large fossae where muscles extending to the arm are attached.
scapula
It is a fourth fossa in the scapula where the head of the humerus connects to the scapula.
glenoid cavity
It is a ridge that runs across the posterior surface of the scapula.
spine
They are the three borders of the scapula.
superior border,
axillary border,
vertebral border
It is a projection that extends from the scapular spine to form the point of the shoulder.
acromion process
It is also known as collarbone.
clavicle
It articulates with the scapula at the acromion process.
collarbone
The proximal end of the clavicle is attached to the ___.
sternum
It is the first bone to begin ossification in the fetus.
clavicle
This relatively brittle bone may be fractured in the newborn during delivery.
clavicle
It is the bone that is the last to complete ossification.
clavicle
It is a projection that curves below the clavicle and provides for the attachment of arm and chest muscles.
coracoid process
The ___ consists of the bones of the arm, forearm, wrist and hand.
upper limbs
It is the region between the shoulder and the elbow.
arm
The proximal end of the humerus has a smooth, rounded portion called the ___.
head
It attaches the humerus to the scapula at the glenoid cavity.
head
Around the edge of the humeral head is the ___.
anatomical neck
A more accessible site for surgical removal at the humerus is the ___.
surgical neck
Lateral to the humeral head is the ___ and ___.
greater tubercle,
lesser tubercle
Muscles from the scapula attach to the ___ and hold the humerus to the scapula.
greater tubercle,
lesser tubercle
It is where the deltoid muscle attaches.
deltoid tuberosity
True or False:
The size of the deltoid tuberosity remains no matter how frequent and powerful the pulls are from the deltoid muscle.
false,
It increases as the pulls from the deltoid muscle increases.
It provide attachment sites for the forearm muscles.
epicondles
The two bones of the forearm:
ulna,
radius
The proximal end of the ulna forms a ___ that fits tightly over the end of the humerus, forming most of the elbow joint.
trochlear notch
It is an extension of the ulna which can be felt as the point of the elbow.
olecranon process
It helps complete the grip of the ulna on the distal end of the humerus.
coronoid process
It is a part of the ulna which articulates with the bone of the wrist.
ulnar head
It is where the biceps attach.
radial tuberosity
It provides attachment sites for the ligaments of the wrist.
radial,
ulnar styloid process
It is a relatively short region between the forearm and the hand.
wrist
The wrist is composed of ___ carpal bones.
8 (2 rows of 4 bones each)
The bones of the wrist are:
"Scared Lovers Tri Positions That They Cannot Handle" scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium
It forms the bony framework of the hand.
metacarpal
There are ___ metacarpal in the hands.
5
Each finger consists of three small bones called ___.
phalanges
It is a sesamoid, carpal bone that is pea-shaped.
pisiform
The phalanges of each finger are called ___, ___, and ___.
proximal phalange,
middle phalange,
distal phalange
The only digit in the hand with two phalanges, the proximal and distal.
thumb
The thumb is medically known as ___.
pollex
The pointy finger is medically known as ___.
index
The middle finger is medically known as ___.
medius
The ring finger is medically known as ___.
annularis
The pinky finger is medically known as ___.
minimus
It receives the trochlea of a humerus.
trochlear notch
When the forearm is extended, the ___ fits.
coronoid process
When the forearm is bent, the ___ fits.
olecranon process
It is the place where the lower limbs attach to the body.
pelvic girdle
The right and left ___, or hip bones, join each other anteriorly and the ___ posteriorly to form a ring of bone.
coxal,
sacrum
It is a ring of the bone.
pelvic giirdle
The pelvic girdle is made of ___.
coxal bones
The pelvis is made of ___, ___ and ___.
pelvic girdle,
sacrum,
coccyx
Every coxal bone is formed by three bones fused to one another to form a single bone, namely the ___, ___, and ___.
ilium,
ischium,
pubis
It is the most superior among the three bones of the coxal bone.
ilium
It is the bone inferior and posterior among the three bones of the coxal bone.
ischium
It is the bone inferior and anterior among the three bones of the coxal bone.
pubis
It can be seen along the superior margin of each ilium.
iliac crest
It is an important hip landmark located at the anterior end of the iliac crest.
iliac spine
It is where the coxal bones join each other anteriorly.
pubic symphysis
The sacrum and the ilium join each other posteriorly at the ___.
sacroiliac joint
It is the socket of the hip joint.
acetabulum
It is the large hole in each coxal bone that is closed off by muscles and other structures.
obturator foramen
It is formed by the pelvic brim and the sacral promontory.
pelvic inlet
It is bounded by the ischial spines, the pubic symphysis, and the coccyx.
pelvic outlet
It is the region between the hip and the knee.
thigh
It is the longest human bone.
femur
It articulates with the acetabulum of the coxal bone,
head of the femur
At the distal end of the femur, the ___ articulates with the tibia.
condyles
Located medially and laterally to the condyles are points of ligament attachment. They are the __.
epicondyles
The femur can be distinguished from the humerus by its ___.
long neck
The long neck is located between the ___ and ___ of the femur.
head,
trochanters
A broken hip is usually a break of the ___.
feoral neck
It is located within the major tendon of the anterior thigh muscles and enables the tendon to bend over the knee.
patella
It is the region between the knee and the ankle.
leg
The two bones of the leg are ___ and ___.
tibia,
fibula
It is the major weight-bearing bone of the leg.
tibia
Which is larger, the tibia or fibula?
tibia
Just distal to the condyles of the tibia, on its anterior surface, is the ___.
tibial tuberosity
It is where the muscles of the anterior thigh attach.
tibial tuberosity
True or False:
The fibula articulates with the femur.
false,
The fibula does not articulate with the femur, but its head is attached to the proximal end of the tibia.
It is a prominence that can be seen on the tibia.
medial mallolus
It is a prominence that can be seen on the fibula.
lateral mallolus
It consists of tarsal bones.
ankle
The ankle consists of ___ tarsal bones.
7
The tarsal bones are the:
"MILC No Thanks Cow" talus, calcaneus, cuboid, navicular, medial navicular, intermediate navicular, lateral navicular
It consists the foot.
metatarsal bones,
phalanges
The metatarsal bones are ___ than the metacarpal bones.
longer
The phalanges of the foot are ___ than the phalanges of the hand.
shorter
