Appendicular skeleton

Question 1

The Pectoral (shoulder) Girdle is composed of?

Answer 1

Clavicle and scapula

Question 2

Pectoral Girdle:
_______: (collarbone)- medium-sized flat bone on anterior shoulder
o ______ – articulates w/ the manubrium – _______
-Only joint between axial and appendicular skeleton

Answer 2

Clavicle
Sternal (medial) end
Sternoclavicular joint

Question 3

Clavicle
______: articulates w/ the manubrium – Sternoclavicular joint
* Only joint between axial and appendicular skeleton

Answer 3

Sternal (medial) end

Question 4

Clavicle

_______;articulates w/ acromion process of the scapula forming the acromioclavicular (AC) joint

Answer 4

Acrominal (lateral) end

Question 5

Clavicle
_____; on inferior surface near acromial end. Attaches to conoid ligament that connects with corocoid process of scapula.

Answer 5

Conoid tubercle or Coracoid tuberosity

Question 6

Pectoral Girdle:

______: (shoulder blade)- large flat bone with triangular body on the posterior of the acromial region (shoulder)

Answer 6

Scapula

Question 7

Scapula:
_____:lateral angle contains fossa that articulates with head of humerus to form shoulder

Answer 7

Glenoid Cavity

Question 8

Scapula:
______: extends from lateral angle to superior angle

Answer 8

Superior border

Question 9

Scapula:
______: extends from lateral angle to inferior angle

Answer 9

Lateral (axillary) border

Question 10

Scapula:
_____:extends from superior angle to inferior angle

Answer 10

Medial (vertebral) border

Question 11

Scapula:

_____; flat projection on superior lateral angle articulates with clavicle

Answer 11

Acromion (acromial process)

Question 12

Scapula:
_____;projects anterior from lateral angle, serves as origin for short head of biceps brachii, and coracobrachialis, insertion for pectoralis minor

Answer 12

Coracoid process

Question 13

Scapula:
______:ridge on posterior superior of body extending from acromion to medial border, origin for deltoid muscle, and insertion for trapezius separates the Supraspinous fossa from Infraspinous fossa that are origins of supraspinatus and infraspinatus

Answer 13

Scapular Spine

Question 14

Scapula:
______: anterior surface and origin of subscapularis muscle

Answer 14

Subscapular Fossa

Question 15

Appendicular Skeleton : Upper Extremity
_______________: large long bone in brachial region
Following are characteristic:
o _______-articulates with glenoid cavity
o ________- border of capsule for shoulder joint
o ________- epiphyseal line
o _______ tubercle- rough projection on lateral proximal end serves as insertion for supraspinatus, infraspinatus, and teres minor muscles of the rotator cuff
o ________ tubercle- medial to greater serves as the insertion for subscapularis muscle
o ________ sulcus (groove)- space between greater and lesser tubercle serves as insertion for pectoralis major, latissimus dorsi, and teres major
o ________ tuberosity- insertion for deltoid muscle on the lateral diaphysis just proximal to the middle
o _________ fossa- depression on lateral side of anterior surface at the distal epiphysis accommodates the head of the radius during flexion of the elbow
o _________ fossa- depression on medial side of anterior surface at the distal epiphysis accommodates the coronoid process of the ulna during flexion of the elbow
o ________ fossa- depression on posterior surface at the distal epiphysis accommodates the olecranon process of ulna during extension
of the elbow.
o _________- articular surface on medial side of distal
epiphyhsis that articulates with ulna to form the elbow joint
o ________- articular surface on lateral side of distal epiphysis
o ________- ridge superior to trochlea serves as origin for muscles
of the forearm that flex the wrist and fingers like flexor carpi radialis, f. c.
ulnaris, and f. digitorum superficialis
o________- ridge superior to capitulum serves as origin for muscles of the forearm the extend the wrist and fingers like extensor carpi radialis brevis, e. c. ulnaris, and extensor digitorum

Answer 15

*****Humerus 
Head 
Anatomical neck 
Surgical neck 
Greater tubercle 
Lesser tubercle 
Intertubercular sulcus (groove)
Deltoid tuberosity 
Radial fossa 
Coronoid fossa 
Olecranon fossa
Trochlea 
Capitulum
Medial epicondyle
Lateral epicondyle

Question 16

Appendicular Skeleton : Upper Extremity
___________-medium sized long bone in medial antebrachial region.
Following are characteristic:
o ______- distal epiphysis
o ______ process- posterior of proximal epiphysis and insertion for triceps
o ________ process - anterior of proximal epiphysis
o__________ notch- articular surface of proximal epiphysis
o _______- smooth indentation on lateral side near the proximal end accommodates the head of the radius
o ________ process- small extension on posterior of distal epiphysis stabilizes the wrist
o ________- rough projection of bone on anterior just inferior to coronoid p. serves as insertion for the brachialis muscle performs flexion of the elbow

Answer 16

******Ulna
Head 
Olecranon process
Coronoid process
Trochlear notch
Radial notch 
Styloid process 
Ulnar tuberosity

Question 17

Appendicular Skeleton : Upper Extremity
_____________: medium sized long bone in lateral antebrachial region.
o _____- proximal epiphysis
o 21)_______________ tuberosity- rough projection of bone on the
anterior medial surface of the diaphysis just inferior to the radial head
serves as insertion for biceps brachii
o 22)________________ notch- smooth indentation on the medial side
near the distal epiphysis
o ______- small projection of bone extending distal from the
lateral side of the distal epiphysis to stabilize the wrist

Answer 17

******Radial ( Radius)
Head
Radial
Ulnar
Styloid process

Question 18

Appendicular Skeleton : Upper Extremity
_______: Small short bones in the wrist
From lateral to medial
Proximal Row: ______ – Lunate – Triquetrum – Pisiform
Distal Row: Trapezium – Trapezoid – Capitate – _______

Answer 18

*****Carpal Bones
Scaphoid
Hamate

Question 19

Appendicular Skeleton : Upper Extremity
_________: Small long bones in the palmar region
Number digits 1 to 5 from lateral to medial:
3
Pollex or Thumb = 1st metacarpal / Little finger = 5th metacarpal

Answer 19

Metacarpals

Question 20

Appendicular Skeleton : Upper Extremity:
______small long bones in digits # same as metacarpals: 1 to 5 from lateral to medial
Each digit has a Proximal – Middle & Distal Phalanx
(except for the Pollex 1st digit had just proximal and distal)

Answer 20

Phalanges

Question 21

What is the pelvic girdle formed by?

Answer 21

Two halves each called the coxal bones (Os Coxa)

Question 22

Coxal bone (Os Coxa).

Each Os coxa is formed by the fusion of three separate bones: What are they?

Answer 22

Ilium
Ischium
Pubis

Question 23

What part of the coxal bone is this?
________: bone that forms the flat superior region of the coxal bone
Characteristics
o ______- ridge on superior end is the origin for the internal abdominal oblique and insertion for external abdominal oblique that perform flexion and rotation of the vertebral column
o _______- smooth anterior surface origin of Iliacus muscle that performs hip flexion
*_______ spine- small pointed process at anterior border of iliac crest and origin of sartorius muscle that laterally rotates and abducts hip
o________spine- origin of rectus femoris of the quadriceps group that extend the knee
o _________ spine- small pointed process at posterior border of iliac crest.
o ______ spine- small pointed process at the superior border of the greater sciatic notch
o ________ notch- large curve on posterior where the largest nerve in the body travels
o ________- articulates with head of femur to form hip joint.

Answer 23

• Ilium
• Iliac crest
• iliac fossa
• Anterior superior iliac spine
• Anterior inferior iliac spine
• Posterior inferior iliac spine
• greater sciatic notch
• Acetabulum

Question 24

What part of the coxal bone is this?
_______: bone that forms the inferior posterior region of the coxal bone
o _____- small process at inferior border of greater sciatic notch and superior border of Lesser sciatic notch
o _______ foramen- large opening are origin of obturator muscles that assist with lateral rotation and abduction of hip
o ______- rough projection on posterior inferior is origin for hamstrings muscles that flex the knee (biceps femoris long head, semimembranosus, and semitendinosus)
o _____- projects anterior along the inferior border to articulate with the inferior pubic ramus

Answer 24

• ***Ischium
• Ischial spine
• obturator foramen
• Ischial tuberosity
• Ischial ramus

Question 25

What part of the coxal bone is this?
______: bone that forms the inferior anterior region of the coxal bone.
o ______ (only on a complete pelvis)- articulation between medial surfaces of right and left pubis composed of fibrocartilage
o _________ ramus- projects lateral toward acetabulum superior to obturator foramen
o _____ ramus- articulates w/ ischial ramus forming inferior border of obturator foramen
4
o _______- small rounded projection on anterior is superior border of inferior pubic ramus and medial border of superior pubic ramus
o ______- angle formed below pubic symphysis by L and R inferior pubic ramus. Usually <90° in male and >90° in female

Answer 25

• *** Pubis
• Pubic symphysis
• Superior pubic ramus
• Inferior pubic ramus
• Pubic tubercle
• Pubic angle/arch

Question 26

Appendicular Skeleton : Lower Extremity:
_______: Largest long bone, located the femoral region (thigh)
o ____- articulates with acetabulum
o______- depression on the femoral head that attaches to ligament of the head to help stabilize the hip joint.
o ____- narrow region connecting head diaphysis.
o ____ trochanter-large rough projection on proximal end medial to neck
is insertion for iliacus and psoas muscles that flex the hip
o _______- large rough projection on proximal end lateral to neck, insertion
for gluteus medius and piriformis muscles that abduct the hip
o _________ crest- ridge on posterior connecting greater and
lesser trochanter
o _______- on anterior between greater and lesser trochanter is the distal edge of hip joint capsule
o _________ tuberosity- rough projection on posterior of proximal
diaphysis just inferior to greater trochanter is insertion for gluteus maximus that
extends the hip
o _______- “rough line” elevation on mid line of posterior diaphysis is origin for
biceps femoris short head of quadriceps muscle group that flex the knee and insertion
for adductor magnus.
o ________epicondyle- ridges superior to smooth articular surfaces of medial
and lateral condyles that form the knee joint at the distal epiphysis.
o _______ fossa- deep indentation between medial and lateral condyles.
o ______ surface- smooth anterior side of distal epiphysis

Answer 26

**Femur
*Head
*Fovea
*Neck
*Lesser trochanter
*Greater trochanter
Intertrochanter crest
Intertrochanteric line
Gluteal tuberosity
Linea aspera
Medial & Lateral epicondyle
Intercondylar fossa
Patellar surface.

Question 27

Appendicular Skeleton : Lower Extremity:
40)________________: large sesamoid bone imbedded in tendon of quadriceps
femoris (patellar tendon), protects anterior of knee, attaches to the tibial tuberosity
through the patellar ligament and functions as an anatomical pulley in extension of
the knee.

Answer 27

Patella

Question 28

Appendicular Skeleton : Lower Extremity:
_______: Large long bone, located in medial crural region (leg)
o _____ condyle- smooth articular surfaces on proximal
epiphysis
o ______ eminence- ridge between medial and
lateral condyles
o _______- rough projection on anterior of proximal epiphysis
o _________- ridge on surface of diaphysis distal to tibial
tuberosity
o ______ malleolus- “hammer” projects from distal epiphysis on medial side to prevent lateral sliding on the talus

Answer 28

• ***Tibia
• Medial & Lateral Condyle
• Intercondylar eminence
• Tibial tuberosity
• Anterior crest/margin
• Medial malleolus

Question 29

Appendicular Skeleton : Lower Extremity:
______: Large long bone, located in lateral crural region
o ___-proximal epiphysis
o _____ malleolus- projects from distal epiphysis to stabilize ankle joint.

Answer 29

• *****Fibula
• Head
• Lateral malleolus

Question 30

Appendicular Skeleton : Lower Extremity
_________: medium to large short bones in ankle and posterior pedal region
o ____- 2nd largest tarsal articulates with tibia and fibula to form ankle joint
o _______- largest tarsal forms the heel and is the insertion for plantar
flexors of sural region (gastrocnemius and soleus) via Achilles (calcaneal) tendon
o ________- large cube shaped short bone in the lateral pedal region that
articulates with metatarsals 4 & 5.
o ________- medium sized rectangular short bone in the medial pedal
region that articulates with talus and cuneiform bones
o _______- articulates w/ medial side of cuboid and base of 3rd metatarsal
o ______- articulates w/ base of 2nd metatarsal
o ______- articulates w/ base of 1st metatarsal

Answer 30

• **Tarsal
• Talus
• calcaneus
• Cuboid
• Navicular
• Lateral cuneiform
• Intermediate cuneiform
• Medial Cuneiform

Question 31

_______: small long bones in carpal region #1-5 medial-lateral (Hallux has 1st metatarsal

Answer 31

Metatarsals

Question 32

______: small long bones in pedal digits # same as the metatarsals – 1 to 5
o Proximal – Middle – Distal except for the hallux 1st digit (only proximal & distal)

Answer 32

Phalanges