Lecture 4- Superior Appendicular Skeleton

Question 1

what makes up the pectoral girdle

what is the joint called

Answer 1

Clavicle
Scapula
Humerus

Glenohumeral Joint

Question 2

What makes up the wrist

Answer 2

Catch a carp with my hands
carpals
meta carpals
Phalanges

Metacarpophalangeal Joints
Interphalangeal joints

Question 3

superior view of the Upper limb

where does the clavicle attach

how to know which side the clavicle is

Answer 3

Acromion
Spine of scapula
Clavicle
——The clavicle attaches to the pectoral girdle and articulates with the manubrium
——- Sternal end(articulation), acromial end. Superior in smooth and inferior is rough for muscle attachments

Question 4

Superior and Lateral view of humerus

Answer 4

• Lesser and Greater Tubercle
• Superior/Middle/Inferior Facet
• Coracoid
• Acromion

Question 4

Glenohumeral Joint

Answer 4

Ligaments strengthen the joint
Articular Cavity is filled with synovial fluid to reduce friction
Synovial membrane
articular capsule surrounds the joint

Question 5

Anatomy of the scapula

Answer 5

• Glenoid Cavity and Supra/infraglenoid tubercle
• Spine of scapula
• Coracoid Process
• Acromion
• Borders
• superior and inferior angle
  -suprascapular notch(foramen)
• Supra/infraspinous fossa
• Subscapular fossa

Question 6

Anterior/ posterior view of humerus

Answer 6

-Head
- Intertubercular groove
- radial groove
- Lesser tubercle
- Greater tubercle
- Medial/Lateral epicondyle
- Medial/Lateral Lip
- Floor of the intertubercular groove
- Deltoid Tuberosity
- Olecranon Fossa
- Coronoid Fossa
- Capitulum(Radius)
-Trochlea(ulna)

Question 7

Radius and Ulna anterior

Radius and Ulna posterior

Answer 7

Radius is more lateral
Ulna is more medial
- — — Styloid processes
———————————–

Head of radius is flat, inferior is larger
has a radial tuberosity

Head of ulna is pointy
- Trochlear notch
- radial notch articulates with head of radius

Ulna- Olecranon(attaches to olecranon fossa and trochlea

Radius- Similar with flat head

Question 8

Elbow Joints

what accommodates during flexion and extension

Answer 8

Synovial and hinge joint

HUMERORADIAL JOINT
- head of radius articulates with capitulum

HUMEROULNAR JOINT
- Trochlear notch or ulnas articulates with Trochlea

during flexion, the coronoid fossa accommodates the coronoid process of the ulna

during extension, the olcranon fossa on the posterior side makes space for the olecranon of the ulna during extension

Question 9

Supinate and pronate the forearm

what is between the ulna and radius

Answer 9

pronate is flat

supinate is when radius crosses over ulna——-I carry soup

interosseus membrane is between the two forearm to keep them together
and is an attachment site for muscles

Question 10

DIGITS of the hand

Answer 10

Phalanges- distal,middle, proximal
Metacarpals
Carpals
Carpals attach to radius

DIP
PIP
I.M.C
- interphalangeal joint - hinge
- Metacarpophalangeal joints— condylar
- Carpometacarpal joint—saddle

Radiocarpal joint- Synovial Joint

Question 11

BONES of hand

Answer 11

So Long to Pinky
- Scaphoid, Lunate, Triquetrum, Pisiform
Here Comes The Thumb
- Hamate, Capitate,Trapezoid, Trapezium