Topic 6 Visuals B

• What is bone is medial and what bone is lateral?

  ulna (medial bone)

  radius (lateral bone)

  
• Which bone is facing anteriorly and which bone is facing posteriorly?

  clavicle (anteriorly)

  scapula (posteriorly)

  
• What bone is the blue, green, and pink regions showing?

  blue: sternal end

  green: shaft

  pink: acromial end

  
• What are the names of each colored region from top to bottom?

  acromion process

  coracoid process

  superior border

  superior angle

  glenoid fossa/cavity

  medial border

  subscapular fossa

  lateral border

  inferior angle

  
• What are the names of each colored region from top to bottom?

  acromion process

  superior border

  superior angle

  glenoid fossa/cavity

  spine of the scapula

  infraspinous fossa

  medial border

  lateral border

  inferior angle

  
• What are the names of the humerus in the anterior view?

  head of humerus

  greater tubercle

  lesser tubercle

  bicipital groove

  deltoid tuberosity

  shaft

  lateral epicondyle

  medial epicondyle

  
• What are the names of the humerus in the posterior view?

  head of humerus

  greater tubercle

  shaft

  lateral epicondyle

  medial epicondyle

  
• What is the name of this joint?

  scapulothoracic joint

  
• What is the name of this joint?

  acromioclavicular joint

  
• What is the name of this joint?

  glenohumeral joint also known as the shoulder joint

  
• What is the name of this ligament?

  acromioclavicular ligament

  
• What type of ligament is this?

  coracoacromial ligament

  
• What is the blue highlighted region called?

  glenoid labrum

  
• What is this ligament called?

  coracoclavicular ligament

  
• What is the origin, insertion, and action of the serratus anterior?


  origin: along ribs 1-8 or 9

  insertion: anterior surface of the scapula (along the medial border)

  action: protraction + lateral/upward rotation of the scapula

  
• What is the origin, insertion, and action of the latissimus dorsi? and what is also known as?


  origin: spinous process below T7-12

  insertion: anterior aspect of proximal humerus

  action: extension, adduction + internal rotation of humerus

  also know as the "swimmer's muscle"

  
• What are these arrows pointing to?

  part of serratus anterior

  
• What is the origin, insertion, and action of the subscapularis (rotator cuff muscle)?


  origin: subscapular fossa

  insertion: lesser tubercle of humerus

  action: internal rotation of humerus at the glenohumeral joint

  
• What is the origin, insertion, and action of the supraspinatus (rotator cuff muscle)?


  origin: supraspinous fossa

  insertion: greater tubercle of humerus

  action: abduction of humerus at the glenohumeral joint (synergist to deltoids)

  
• What is the origin, insertion, and action of the infraspinatus (rotator cuff muscle)?


  origin: infraspinous fossa

  insertion: greater tubercle of humerus

  action: external rotation of humerus at the glenohumeral joint

  
• What are the names of these muscles from top to bottom?


  middle fibers of the trapezius (right side)

  latissimus dorsi (left side)

  infraspinatus (right side)

  latissimus dorsi (right side)

  
• What is the origin, insertion, and action of the deltoid?


  origin: spine of the scapula, acromion + lateral portion of the clavicle

  insertion: deltoid tuberosity of humerus

  action: abduction of humerus

  
• What are the arrows pointing to from top to bottom?

  coronoid process

  head of the radius articulates, forms the proximal radioulnar joint

  ulnar tuberosity

  shaft

  head of ulna

  styloid process of ulna

  
• What are the arrows pointing to from top to bottom?

  olecranon process

  shaft

  head of ulna

  styloid process

  
• What are the arrows pointing to, top to bottom?

  head of radius

  radial tuberosity (biceps brachii inserts here)

  shaft

  head of ulna articulates here to form the distal radioulnar joint

  styloid process of radius

  
• What are the arrows pointing to, top to bottom?

  head of radius

  radial tuberosity (biceps brachii inserts here)

  shaft

  head of ulna articulate here to form distal radioulnar joint

  
• What are these arrows pointing to? top to bottom

  humeroradial joint

  humeroulnar joint

  
• What are these arrows pointing to? top to bottom

  humeroulnar joint

  humeroradial joint

  
• This arrow points to the? which is also a?

  proximal/superior radioulnar joint

  pivot joint

  
• This arrow points to the? which is also a?

  distal/inferior radioulnar joint

  pivot joint

  
• What is the blue region referring to?

  olecranon bursa

  
• What is this called?

  olecranon bursitis

  
• Which muscles of the biceps are these arrows pointing to? top to bottom

  long head

  short head

  
• What is this muscle called?

  brachialis

  
• What is this muscle called?

  pronator teres

  
• What are these muscles called?

  triceps brachii

  
• What is this blue region highlighting?

  carpal bones

  
• what is this blue region highlighting?

  flexor retinaculum/transverse carpal ligament

  
• What are these bones called?

  metacarpal bones

  
• What are these bones called?

  proximal phalanges (right)