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Copy of 09.18.20 (Sync + Async) - The Appendicular Skeleton (5/28/2026)

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The Appendicular Skeleton


Objectives: Students will...
  • identify the bones, processes, fossa, sutures, and other landmarks found in the human arm, hand, and shoulder
  • identify the bones, processes, fossa, sutures, and other landmarks found in the human leg, foot, and hip
We will achieve these objectives while watching a series of videos, labeling and coloring a set of diagrams, and answering a set of questions
1-2
A Little Note from your Teacher:
Please, please, PLEASE - resist the urge to simply google the answers to these questions. I know that the videos contain a lot of information and may feel overwhelming. Just remember that learning about the structures of the body is what anatomy is all about! Also, remember that you are not required to memorize these structures - rather, we are practicing the skill of transferring information from a carefully selected media source (video) to diagrams and questions. I was very intentional with the sources I chose - please use them.

Question 1
1.

Using the first diagram above, compare and contrast the axial and appendicular skeleton.

Question 2
2.

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Question 3
3.

Question 4
4.

Question 5
5.

What are two interesting / fun facts you learned about the arm and shoulder bones?

Question 6
6.

Diagram 2: The Scapula

Watch the video below:

Label the diagram below using the following terms:
  • scapular spine
  • vertebral margin
  • coracoid process
  • acromion process
  • glenoid fossa (on diagram twice!)
  • axillary margin
(the lateral aspect is a left scapula, and the posterior aspect is a right scapula)

Question 7
7.

Diagram 3: The Elbow

Watch the video below about the structures that make up the elbow. You do NOT have to watch the whole thing, and please don't worry about the movements (we'll be talking about those in a few weeks!)


Label the diagram below using the following terms:
  • humerus
  • radius
  • ulna
  • olecranon process
  • olecranon fossa

Question 8
8.

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Question 9
9.

Extension:

Have you ever hit your "funny bone?" Did you know that the funny bone isn't a bone at all?

Examine the following picture as you answer the questions below:

1. What do you think is actually "hit" when someone hits their "funny bone"
2. One can only hit their "funny bone" when their elbow is bent. Explain why this is.
3. What is a more scientific way to express "Owe! I hit my funny bone!"?

Question 10
10.

Question 11
11.

What are two interesting / fun facts you learned about the leg and hip bones?

Question 12
12.

Diagram 5: Bones of the Pelvic Girdle

Watch the video below, then label the diagram using the following terms. Finally, color the inominate diagram with the provided colors.


  • acetabulum
  • sacro-iliac joint
  • symphysis pubis
  • obturator foramen
  • iliac crest
  • coccyx

Question 13
13.

Diagram 6: Bones of the Foot

Watch the video below, then color and label the diagram using the following terms.


  • calcaneus
  • talus
  • cuboid
  • navicular
  • intermediate cuneiform
  • lateral cuneiform

Question 14
14.

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Extension:

The image below was obtained from a patient who was in a car accident. The patient was in the passenger seat with their feet up on the dashboard when they hit another car head on.


Use this picture to answer questions
Question 15
15.

Question 16
16.

Do some quick research on what types of surgeries might help this patient. Attach a diagram of one (or more) of the procedures that you might recommend for them if you were an orthopedic surgeon.

Question 17
17.

GAME!!

Go to this link: Whack a Bone (you might need to change your computer's settings to allow flash to run)

Pick at least one of the three games on the website. Play the game, then upload a screenshot of your results in the space below. (if you don't know how to do this, look it up!)

YOU DID IT!!!!!
Warm-Up: Match the bone structure with its description. You may use the textbook for help if you like!
crest
rounded surface of a bone
head
something that "sticks off" of the bone
tubercle
ridge
foramen
small, rounded process
condyle
elongated basin
fossa
prominent, rounded surface of a bone
process
hole through a bone
You will be working in groups for questions 4-9
  • Quality Control will make sure all group members agree on answer before moving on to next question.
  • Manager shares their screen and makes sure group stays on same question and stays on task.
  • Spokesperson is contacts Ms. Whitney in the main Google meet if your group has a question.
  • Timekeeper makes sure group completes task and returns to whole class Google meet on time.
Quality Control
Manager
Spokesperson
Timekeeper

Diagram 1: Bones of the the Arm and Shoulder

First, watch the video below. As you watch, color the bones in the diagram below (under the other videos):

Bones of the Arm:

Next, watch the three videos below. After each video, scroll to the bottom of this question and label the structures discussed during the video for that bone.

Humerus:
(before you go on - scroll down and label the diagram with the terms that apply to the humerus!)

Radius:
(before you go on - scroll down and label the diagram with the terms that apply to the radius!)


Ulna:
(before you go on - scroll down and label the diagram with the terms that apply to the ulna!)

  • acromion process
  • clavicle
  • coracoid process
  • capitulum
  • greater tubercle
  • lesser tubercle
  • head of humerus
  • coronoid fossa
  • trochlea
  • radial tuberosity
  • styloid process of radius
  • head of radius
  • head of ulna
  • styloid process of ulna
(the diagram is of the right arm facing anteriorly)
Reference your diagrams to match the bones/features below with their description.
part of the humerus that articulates with the scapula
olecranon fossa
long, oblique ridge on the posterior surface of the scapula that extends from the lateral border of the acromion
olecranon process
depression on the proximal end of the ulna that articulates with the trochlea of the humerus
glenoid fossa
condyle of the humerus that articulates with the ulna
coronoid fossa
A fossa on the distal, posterior surface of the humerus
acromion process
condyle of the humerus that articulates with the radius
greater tubercle
fossa on the distal, anterior surface of the humerus
semi-lunar (trochlear) notch
edge of the scapula nearest the armpit
capitulum
large process on the head of the humerus
trochlea
The proximal process of the ulna
head of humerus
depression on the scapula that articulates with the humerus
scapular spine
edge of the scapula nearest the vertebral column
lesser tubercle
process on the scapula that articulates with the clavicle
vertebral margin
small process just above the surgical neck of the humerus
axillary margin

Diagram 4: Bones of the the Hip and Leg

Watch the three videos below. After each video, scroll to the bottom of this question and color the bones AND label the structures discussed during the video for that bone.

Pelvis

(before you go on - scroll down and label the diagram with the terms that apply to the pelvis!)

Femur
(before you go on - scroll down and label the diagram with the terms that apply to the femur!)

Tibia
(before you go on - scroll down and label the diagram with the terms that apply to the tibia!)

Fibula
(before you go on - scroll down and label the diagram with the terms that apply to the fibula!)

  • inominate
  • sacrum
  • coccyx
  • head of femur
  • neck of femur
  • lateral condyle
  • medial condyle
  • lesser trochanter
  • intertrochanteric line
  • greater trochanter
  • cnemial crest
  • head of fibula
  • tarsals
  • metatarsals
  • phalanges
  • symphysis pubis
  • patella
  • medial malleolus
  • tibial tuberosity
Reference your diagrams to match the bones/features below with their description.
thin, lateral bone of the lower leg
talus
oblique ridge between the trochanters on the anterior surface of the femur
cuboid
the most superior bone of the inominate
intertrochanteric line
fossa on the inominate that articulates with the femur
iliac crest
large process lateral to the neck of the femur
acetabulum
large bump found on the medial aspect of the distal tibia
inominate
longest, strongest bone in the leg
pubis
most posterior bone of the inominate (your "sit bones")
symphysis pubis
the crest of bone on the anterior part of the tibia
patella
joint between the sacrum and ilium of the inominate
ilium
structure consisting of both inominates, sacrum, and coccyx
fibula
The tarsal bone that articulates with the most lateral metatarsal
femur
process just inferior to the neck of the femur on the medial surface
sacro-iliac joint
the largest tarsal bone
lesser trochanter
one half of the pelvic girdle
head of femur
the uppermost ridge of the inominate
ischium
unattached bone in the knee
pelvic girdle
part of the femur that fits into a depression on the inominate
greater trochanter
the tarsal bone that articulates with the tibia
calcaneus
joint between pubic bones on the anterior pelvis
cnemial crest
large bump found on the proximal, anterior aspect of the tibia
medial malleolus
the anterior bone of the obturator foramen
tibial tuberosity
What is the best description of what happened to this patient?
The head of their right femur dislocated from the sacroiliac joint and their left femur was broken into two pieces below the lesser and greater tubercles. The head of their femur is now on the outside of their skin.
They got hurt
The head of their right femur dislocated from the acetabulum and their left femur was broken into two pieces below the lesser and greater trochanters. The head of their femur is now on the outside of their skin.
The head of their right femur dislocated from the cnemial crest and their left femur was broken into two pieces below the medial and lateral condyles. The head of their femur is now on the outside of their skin.