MSK - 1

Question 1

What are the 3 components that are generalised to all types of synovial joints?

Answer 1

Articular capsule - fibrous capsule with synovial membrane
Synovial fluid - secrete from the the synovial membrane
Articulate cartilage - hyaline

Question 2

Name each type of synovial joint, and for each one give an example

Answer 2

Hinge - elbow / ankle joint
Saddle - carpometacarpal (wrist)
Pivot - atlantoaxial joint and proximal radio-ulnar joint
Plane - acromioclavicular
Condyloid - MCPJ
Ball and socket - head of femur into acetabulum

Question 3

What is the connecting medium in primary Synchondrosis joints?

Answer 3

Hyaline cartilage

Question 4

Give an example of a primary and a secondary Synchondrosis joint

Answer 4

Primary - head of the femur into acetabulum

Secondary - pubic symphysis.

Question 5

Which types of joints are fixed and immobile, and give an example of one such joint

Answer 5

Fibrous joints.

The gomphosis.

Question 6

What are the 3 classification of joints

Answer 6

Synovial
Fibrous
Cartilaginous.

Question 7

Muscles of the pectoral region

Answer 7

Pectoralis major
Pectoralis minor
Subclavius
Serratous anterior

Question 8

Attachment, Action, blood, nerve with roots of pectoralis major

Answer 8

Medial and lateral pectoral nerves C5-T1
Medial rotation
Flexion of arm (sternal head)
Adduct humerus

Both heads insert into intertubercle groove on the humerus.
Pectoral branch of the thoracoacromial artery

Question 9

Attachment, Action, blood, nerve with roots of pectoralis minor

Answer 9

Inserts into Coracoid process
Stabilises scapula by drawing it anteriorly and inferiorly against chest wall.
Medial pectoral nerve C8-T1

Pectoral branch of the thoracoacromial artery

Question 10

Name the different shapes of bone, and for each one give an example

Answer 10

Irregular - sphenoid 
Short - calcaneus
Long - femur
Flat - parietal bone 
Sesamoid - patella

Question 11

Attachment, Action, blood, nerve with roots of subclavius

Answer 11

Anchors and depresses clavicle and elevates first rib
Nerve to subclavius C5-C6
Clavicular branch of thoracoacromial artery

Question 12

Attachment, Action, blood, nerve with roots of serratous anterior

Answer 12

Inserts into anterior surface of medial border of scapula
Internally rotates scapula and anteriorly
Abduction of arm above 90 degrees, with trapezius.
Long thoracic nerve C5-C7
Lateral thoracic artery