Anterior Axioappendicular Muscles - Upper Limb

Front 1

What 5 joints play key roles in hand function and placement?

Back 1

1. Scapulothoracic
2. Glenohumeral
3. Elbow
4. Radioulnar
5. Wrist

Front 2

What 4 segments make up the upper limb?

Back 2

1. Shoulder
2. Arm
3. Forearm
4. Hand

Front 3

What is the pectoral girdle?

Back 3

A bony ring consisting of
-Scapulae
-Clavicles
-Manubrium of the sternum.

Front 4

What 3 regions are included in the shoulder?

Back 4

-Pectoral
-Scapular
-Lateral supraclavicular

Front 5

What is another name for:
-Arm
-Forearm
-Hand

Back 5

Arm = brachium
Forearm = antebrachium
Hand = manus

Front 6

What bone is contained in the brachium?

Back 6

Humerus

Front 7

What bones are contained in the antebrachium?

Back 7

Radius and Ulna

Front 8

What bones are within the hand?

Back 8

Carpus, metacarpus, phalanges

Front 9

What does the pelvic girdle consist of?

Back 9

The two hip bones connected to the sacrum.

Front 10

What does the Pectoral girdle consist of?

Back 10

The two scapulae and clavicles connected to the manubrium of the sternum.

Front 11

What is the Axial Skeleton composed of?

Back 11

-Cranium
-Vertebral column
-Thoracic cage

Front 12

What is the prominent difference between the pectoral and pelvic girdles?

Back 12

Pelvic = complete ring
Pectoral = incomplete; no posterior connctn btwn scapulae.

Front 13

What makes up the Superior Appendicular Skeleton?

Back 13

-Pectoral girdle
-Bones of the free upper limb

Front 14

Where does the superior appendicular skeleton articulate with the axial skeleton?

Back 14

ONLY at the manubrium -> the sternoclavicular joint!!

Front 15

What muscles (general) support & stabilize the pectoral girdle?

Back 15

Axioappendicular muscles

Front 16

What 3 terms are used to describe the clavicle?

Back 16

-Sternal end
-Shaft
-Acromial end

Front 17

What are the 3 functions of the clavicle?

Back 17

1. Crane like strut - lets the upper limb hang free
2. Bony boundary of cervicoaxillary canal - protects neurovascular bundle to upper limb.
3. Transmits shocks from upper limb to axial skeleton.

Front 18

What type of bone is the clavicle?

Back 18

A long bone.

Front 19

What is the Conoid Tubercle?

Back 19

Attachment of conoid ligament near acromial end of clavicle.

Front 20

What is the conoid ligament?

Back 20

The medial part of the coracoclavicular ligament that suspends the upper limb from the clavicle.

Front 21

Where is the trapezoid line on the clavicle?

Back 21

Just lateral and inferior to the conoid tubercle

Front 22

What is the trapezoid line for?

Back 22

Attachment of the trapezoid ligament

Front 23

What is the Trapezoid ligament?

Back 23

The lateral part of the coracoclavicular ligament.

Front 24

What is the subclavian groove? Where is it?

Back 24

The attachment point for the Subclavius; on the inferior anterior side of clavicle.

Front 25

What ligament binds the 1st rib to the clavicle?

Back 25

Costoclavicular ligament.

Front 26

What are common causes of clavicular fractures?

Back 26

Blows to outstretched hand in children, Fall directly on the shoulder.

Front 27

Which part of the clavicle is weakest?

Back 27

Junction of middle and lateral thirds.

Front 28

What is unique about clavicle ossification?

Back 28

-First long bone to ossify
-Last long bone to be fully formed.

Front 29

What ribs does the scapula overlie?

Back 29

2-7

Front 30

What are the posterior surfaces of the scapula?

Back 30

-Spine
-Supraspinous fossa
-Infraspinous fossa

Front 31

What is the interior surface of the scapula called?

Back 31

Costal surface (near ribs)

Front 32

Whatisthe costal surface called?

Back 32

Subscapular fossa

Front 33

What does the spine of the scapula end in laterally?

Back 33

The acromion

Front 34

What does the acromion articulate with?

Back 34

The acromial end of the clavicle

Front 35

What tubercle is on the scapular spine?

Back 35

Deltoid tubercle

Front 36

What joint lies directly under the AC joint?

Back 36

Glenohumeral joint

Front 37

What lies between the AC and glenohumeral joints?

Back 37

The coracoclavicular ligament which suspends and acts as a point of balance for the scapula and upper limb.

Front 38

What surface on the scapula allows for the glenohumeral joint?

Back 38

Glenoid cavity

Front 39

What finger-like or beaklike structure points from the upper lateral scapula?

Back 39

Coracoid process

Front 40

What is the largest bone in the upper limb?

Back 40

The Humerus!

Front 41

What bones does the humerus articulate with?

Back 41

Superiorly - Scapula

Inferiorly - Radius/Ulna

Front 42

What are the 2 necks of the humerus?

Back 42

Anatomical neck
Surgical neck

Front 43

Where are the lesser/greater tubercles of the humerus?

Back 43

On the head;
Lesser = anterior/medial
Greater = Lateral

Front 44

What is the Intertubercular groove?

Back 44

Aka, Bicipital;
Seperates greater/lesser tubercles.
Biceps Longhead tendon lies there.

Front 45

What 2 prominent features are on the shaft of the humerus?

Back 45

-Deltoid tuberosity
-Radial groove

Front 46

What is the deltoid tuberosity?

Back 46

The site of attachment of the deltoid muscle on the humerus.

Front 47

What is the radial groove?

Back 47

The groove for the radial nerve.

Front 48

Mooving on to fascia

Back 48

ok

Front 49

What does the pectoral fascia invest?

Back 49

The pectoralis major; continuous with abdominal wall.

Front 50

What does the lateral border of pec fascia become?

Back 50

axillary fascia

Front 51

What fascial layer is deep to pec major?

Back 51

Clavipectoral fascia

Front 52

What does clavipectoral fascia enclose?

Back 52

Subclavius and pectoralis minor

Front 53

What is the costocoracoid membrane?

Back 53

Part of the clavipectoral fascia that goes between pec minor and the subclavius.

Front 54

What pierces the costocoracoid membrane?

Back 54

-Thoracoacromial artery
-Lateral pectoral nerve
-Cephalic vein