LAB 2.2: APPENDICULAR SKELETON- Upper Limbz & Jointz
At the Wrist, the (1.)____________ Notch of the (2.)_______________ articulates with the (3.)______________ side of the (4.)____________ of the (5.)_____________.
(1.) Ulnar Notch of the (2.) Radius (3.) Lateral side of the (4.) Head of the (5.) Ulna
Humerus
Bone of the arm Upper arm bone
True or False: you start on the Medial side of the Proximal row when naming the Carpal Bones
False You start on the Lateral side of the Proximal row when naming the Carpal bones
True or False: the Radius doesn't articulate with any Carpal Bones
False it is actually the Ulna that doesn't articulate with any Carpal bones. The Radius Articulates with 3 Carpal bones, the scaphoid, lunate and triquetrum
True or False: the Trochlear Notch of the Ulna is the Lateral Reference used to side the Ulna
False the Trochlear Notch of the Ulna is the Anterior Reference used to side the Ulna
True or False: the Ulna is Lateral to the Radius in the forearm
False the Ulna is Medial to the Radius in the forearm
Point of articulation with the Glenoid cavity of the Scapula to form the shoulder joint Points medially Located on the proximal end of the Humerus Used as the medial reference to side the Humerus
Head of the Humerus
The feature of the proximal end of the radius that is a smaller, circular shape with a flat-ish top This end of the radius is smaller than the other Articulates with the Capitulum of the Humerus
Head of the Radius
Coranoid Fossa of the...
Humerus
an Indentation of the anterior surface of the distal end of the Humerus on the lateral side of the bone Located directly superior to the Capitulum Articulates with the head of the radius when you flex your elbow
Radial Fossa of the Humerus
The divot feature located Laterally inferior to the Coranoid Process on the Lateral side of the Ulna's proximal end This feature articulates with the Head of the Radius Lateral Reference used to side the Ulna
Radial Notch of the Ulna
A roughened dark-ish patch/ region of the diaphysis of the Radius, directly distal to the head of the Radius
Radial Tuberosity of the Radius
Some Lovers Try Positions That They Can't Handle
Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate
What are the Names of the Carpal Bones located in the Proximal row?
Scaphoid Lunate Triquetrum Pisiform
Lesser Tubercle of the Humerus
a projection on the proximal end of the Humerus that is pointed medially from the Greater Tubercle and located slightly inferior to the Greater Tubercle on the anterior side of the the Humerus
Coranoid Fossa of the Humerus
the indentation located superior to the trochlea and directly lateral to the medial epicondyle Located on the anterior surface of the distal end of the Humerus on the medial side Articulates with the Ulna
The Olecranon (1.)___________ of the Ulna Articulates with the Olecranon (2.)__________ of the Humerus at the Elbow Joint.
1. Olecranon Process of the Ulna 2. Olecranon Fossa of the Humerus
At the elbow, the head of the Radius articulates with....
1. the Capitulum of the Humerus 2. the Radial Fossa of the Humerus 3. the Radial Notch of the Ulna
What feature of the Humerus are used to side the bone?
1. the Head of the Humerus is the Medial reference 2. the Olecranon Fossa of the Humerus is the Posterior reference
How many Carpal Bones form articulations at the wrist joint? What bone are they Articulating with?
3 carpal bones articulate with the Radius at the Wrist
Epicondyle
A projection situated above a condyle
What features are used as references to side the Ulna: A. Laterally B. Posteriorly C. Anteriorly
A. Lateral Reference of the Ulna: Radial Notch B. Posterior Reference of the Ulna: Olecranon C. Anterior Reference of the Ulna: Trochlear Notch
Distal to the head of the Humerus Indented line that surrounds the head of the humerus
Anatomical Neck of the Humerus
The Radial Notch of the Ulna is which type of Reference used to side the Ulna? A. Posterior Reference B. Anterior Reference C. Lateral Reference
C. Lateral Reference the Radial Notch of the Ulna is the Lateral Reference used to side the Ulna
Rounded ball feature located on the anterior surface of the distal end of the Humerus on it's lateral side Largish circle projection of the lateral side of the 'bowtie' Located directly inferior to the Radial Fossa Articulates with the head of the Radius Lateral the to the Trochlea On the same side as the Lateral epicondyle
Capitulum of the Humerus
the bones of the wrist
Carpals
a large, roughened dark patch on the proximal end of the diaphysis of the Humerus a site of muscle attachment
Deltoid Tuberosity of the Humerus
Digit I of the hand is what Finger? Located medially or Laterally?
Digit I is the Thumb, located on the Lateral side of the Hand
Which digit only has 2 Phalanges? What Phalanx is missing?
Digit I only has two Phalanges, it has the Proximal phalanx and the Distal phalanx Digit I is missing the Middle Phalanx
Surgical Neck of the Humerus
Distal to the head of the Humerus, at it's base Where the Humerus narrows to the diaphysis
Tuberosity
Large, rough patch, usually darkened Site of muscle attachment on bone
is the Capitulum of the Humerus medial or lateral?
Lateral
Greater Tubercle of the Humerus
Located at the proximal end of the Humerus A large projection that points laterally and is located slightly superior to the head of the Humerus Located posterior to the Lesser Tubercle of the Humerus on the anterior surface of the humerus
Head of the Ulna
Located on the Distal end of the Ulna Articulates with the Ulnar Notch of the Radius right at the wrist area on the lateral side of the Ulna Slightly anterior to the Styloid Process of the Ulna The bigger prominence on the Distal end of the Ulna
Ulnar Notch of the Radius
Located on the medial side of the distal end of the Radius Articulates with the head of the Ulna at the wrist area Medial to the styloid process of the Radius This feature is slightly proximal to the styloid process of the radius meaning that it doesn't extend as far down as the styloid process does
Metacarpal V is located at the most __________ side of the hand?
Metacarpal V is the most Medial Metacarpal
this type of bone is the first row of long bones that extend from the distal row of the Carpals and articulate with the Proximal Phalanges distally
Metacarpals
What bones make up the Palm of the hand?
Metacarpals are the bones that make up the palm
This feature is the top projection of the claw feature that is located on the proximal end of the Ulna Faces posterior Posterior Reference used to side the Ulna
Olecranon of the Ulna
What is the posterior reference used to side the Ulna?
Olecranon of the Ulna
these bones make up the Digits
Phalanges
Ulnar Tuberosity of the Ulna
Site of muscle attachment located directly inferior to the Coranoid process of the Ulna Darker roughened region on the proximal end of the diaphysis of the Ulna
Tubercle
Small, rounded projection
What is the saying used to remember the Carpal Bones?
Some Lovers Try Positions That They Can't Handle
What row do you start on when naming the Carpal Bones? Do you start on the Medial or the Lateral side of the rows?
Start on the Lateral side of the Proximal row when naming the carpal bones *You start on the lateral side because that's the side that the Thumb is located on which is also Digit I, so you start at one.
Pointy projection located on the Distal end of the Ulna that is slightly on the posterior of the Ulna
Styloid Process of the Ulna
What articulation does the Ulna form at the wrist?
The Head of the Ulna Articulates with the Ulnar Notch of the Radius at the Wrist
a projection from the distal end of the Radius on the lateral side of the bone Located on the same side of the forearm as the thumb is (lateral) this feature is used as the Lateral Reference to side the Radius Slightly Distal to (and lateral to) the Ulnar Notch of the Radius
The Styloid Process of the Radius
Is the Ulnar Notch of the radius on the proximal or distal end of the Bone?
The Ulnar Notch is located on the distal end of the Radius- where it meets the hand bones
Coranoid Process of the Ulna
The feature on the Ulna that is the 'floor of the claw' located on the proximal end of the bone articulates with the Coranoid Fossa of the Humerus
Located on the distal end of the Anterior of the Humerus a pointy/ triangle shaped medial part of the 'bowtie' located at the distal end of the Humerus Located on the same side of the Humerus as the Head, on the medial side Medial & Anterior Articulates with the Ulna the medial epicondyle is directly medial to this feature and the coranoid fossa is right above this feature
Trochlea of the Humerus
the actual 'U' indentation of the claw shape, most superior concave on the Ulna This feature of the Ulna faces anteriorly and is located on the proximal end of the bone Anterior Reference used to side the Ulna
Trochlear Notch of the Ulna
True or False: the Ulnar Notch of the Radius is proximal to the Styloid process of the Radius
True The Ulnar notch of the radius is proximal to the Styloid Process of the radius
True or False: The head of the Radius articulates with the humerus and the Ulna at the Elbow Joint
True the Head of the radius forms 3 different articulations, 1 with the Ulna: head of the radius articulates with the Radial Notch of the Ulna & then 2 articulations with the Humerus: head of the Radius with the Capitulum of the humerus and the Radial Fossa of the Humerus
The Coranoid Fossa of the Humerus articulates with the Coronoid Process of which bone? What joint is this?
it articulates with the coranoid process of the Ulna at the Elbow
What does the Capitulum of the Humerus Articulate with?
it articulates with the head of the radius
Is the Coranoid Fossa of the Humerus located above the Trochlea or above the Capitulum?
it's located above the Trochlea
The Radial Fossa of the Humerus is an indentation located above which feature of the Humerus?
located above the Capitulum of the Humerus
What bone of the Upper Limb has the head of the bone distal instead of proximal?
the Head of the Ulna is the Distal end of the ulna, so it's located at the wrist instead of at the elbow
What is the Posterior reference used to side the Humerus?
the Olecranon Fossa
the Olecranon of the Ulna articulates with...
the Olecranon of the Ulna articulates with the Olecranon Fossa of the Humerus
The Radial Fossa is a feature of what bone?
the Radial Fossa is a feature of the Humerus
What feature articulates with the Head of the Radius when you flex your elbow joint?
the Radial Fossa of the Humerus
This feature of the Ulna articulates with the Head of the Radius at the Elbow
the Radial Notch of the Ulna articulates with the Head of the Radius at the Elbow
what is the term for the lateral forearm bone?
the Radius
Which forearm bone is located on the same side as your thumb?
the Radius is the forearm bone located on the same side as the thumb
What are the Carpal bones that form articulations as the Wrist?
the Scaphoid, Lunate, & Triquetrum articulate with the Radius at the Wrist
What end of the Ulna is the Styloid Process of the Ulna located on?
the Styloid process of the Ulna is located on the Distal end
What is the difference between the Surgical neck of the Humerus and the Anatomical Neck of the Humerus?
the Surgical neck is where the Humerus narrows to it's diaphysis, its not actually marked into the bone where it is, and the Anatomical neck makes a boarder around the head of the Humerus, it is almightily slanted and is actually indented into the bone
What Metacarpal is the Thumb? Is this the most Medial metacarpal or the most Lateral metacarpal?
the Thumb is Metacarpal I Metacarpal I is the most lateral Metacarpal of the Palm
the Trapezium, Trapezoid, Capitate, Hamate, are the Carpal bones located in which row of the wrist?
the Trapezium, Trapezoid, Capitate, Hamate, are the carpal bones of the distal row
What feature of the Humerus is located lateral to the Medial Epicondyle of the humerus and inferior to the Coronoid Process of the Humerus?
the Trochlea of the Humerus
The trochlea of the Humerus articulates with the Trochlear Notch of which bone? What joint is this?
the Trochlea of the Humerus articulates with the Trochlear Notch of the Ulna at the Elbow
The Trochlear Notch of which bone articulates with the Trochlea of the Humerus? What joint does this Form?
the Trochlear Notch of the Ulna Articulates with the Trochlea of the Humerus at the Elbow Joint
the Trochlear Notch of the Ulna articulates with..... at the .....
the Trochlear Notch of the Ulna articulates with the Trochlea of the Humerus at the elbow
What is the medial bone of the forearm that has the distinct claw feature on its proximal end?
the Ulna
At the Wrist Joint, the head of the Ulna Articulates with.......
the Ulnar Notch of the Radius
What is the Connection between the upper limbs and the Pectoral Girdle? What is the Name of this connection?
the articulation of the Glenoid cavity of the Scapula with the Head of the Humerus, this is the Shoulder Joint
Olecranon Fossa of the Humerus
the large indentation located on the posterior surface of the distal end of the Humerus, somewhat in the center Deepest indentation on the distal end of the Humerus Used as the posterior reference to side the Humerus
Lateral Epicondyle of the Humerus
the projection located on the anterior surface of the distal end of the Humerus on the lateral side Located directly lateral to and slightly superior to the Capitulum on the same side as the Radial Fossa on the opposite side of the Humerus from the head
Medial Epicondyle of the Humerus
the projection on the anterior surface of the distal end of the Humerus located on the medial side Directly medial to the trochlea, and slightly superior to the trochlea Located on the same side of the Humerus as the head
is the Thumb, (Digit I) located Medial or Lateral?
the thumb, (Digit I) is located laterally
Intertubercular Sulcus of the Humerus
the valley-like indentation located between the greater and lesser tubercles of the humerus located on the proximal end of the Humerus on it's anterior side
how many types of Phalanges are there per a digit? What are their names? What is the exception to this?
there are 3 phalanges per a digit, (with the exception of Digit I) the most proximal row: Proximal Phalanges middle row: Middle Phalanges finger tips, most distal row: Distal Phalanges Digit I is an exception because it doesn't have a middle phalanx
How many Carpal Bones are there? Where are these types of bones found?
there are 8 Carpal Bones found in the wrist
