Muscles of Forearm

• where is the forearm from

  elbow to wrist
• how is radius and ulnar connected

  interosseous membrane
• what 3 bones make up the elbow joint

  humerus

  ulna

  radius
• what is the function of the anterior group of arm muscles

  flexors
• what is the innervation of the anterior group of arm muscles

  musculocutaneous nerve
• what is the function of the posterior group of arm muscles

  extensors
• what is the innervation of posterior group of forearm muscles

  radial nerve
• what is the origin of the biceps brachii

  short head = coracoid process of scapula

  long head = supraglenoid tubercle of scapula
• what is the insertion of the biceps brachii

  radial tuberosity
• what is the function of the biceps brachii

  abduction of arm

  flexion

  adduction and ventral flexion of arm
• what is the innervation of the biceps brachii

  musculocutaneous nerve
• what is the origin of the coracobrachialis

  coracoid process of scapula
• what is the insertion of the coracobrachialis

  humerus
• what is the function of the coracobrachialis

  adduction and ventral flexion
• what is the innervation of the coracobrachialis

  musculocutaneous nerve
• what is the origin of the brachalis

  humerus
• what is the insertion of the brachalis

  tuberosity of ulna
• what is the function of the brachalis

  flexion
• what is the innervation of the brachalis

  musculocutaneous nerve
• what is the origin of the triceps brachii

  long head = infraglenoid tubercle

  lateral and medial head = humerus
• what is the insertion of the triceps brachii

  olecranon of ulna
• what is the function of the triceps brachii

  extension of forearm and adduction of extended arm
• what is the innervation of the triceps brachii

  radial nerve
• what is the floor boundary of the radial canal

  radial groove
• what is the proximal and lateral boundary of the radial canal

  lateral head of triceps brachii
• what is the distal and medial boundary of the radial canal

  medial head of triceps brachii
• what is contained in the radial canal

  radial nerve

  profunda brachii artery

  deep vein of arm
• what is the origin of the anconeus

  lateral epicondyle of humerus
• what is the insertion of the anconeus

  ulna
• what is the function of the anconeus

  accessory extensor
• what is the innervation of the anconeus

  radial nerve
• what is the function of the anterior muscle group of the forearm

  flexors and pronators
• what is the function of the lateral muscle group of the forearm

  pronation of forearm and supination of extended forearm
• what is the innervation of the anterior muscle group of the forearm

  median nerve
• ..

  A) supination

  B) pronation

  
• ..

  A) olecranon

  B) coronoid process

  C) tuberosity of ulna

  D) radial notch

  
• ..

  A) olecranon

  B) trochlear notch

  C) coronoid process

  D) radial notch

  E) head of radius

  F) neck of radius

  G) radial tuberosity

  H) ulna

  I) radius

  J) interosserous border

  K) interosseous membrane

  L) ulnar notch

  M) head of ulnar

  N) styloid process

  O) articular facet

  P) styloid process

  Q) olecranon

  R) head of radius

  S) neck of radius

  T) styloid process

  
• ..

  A) olecranon

  B) coronoid process

  C) trochlear notch

  D) radial notch

  
• ..

  A) radial tuberosity

  B) radial styloid process

  C) head

  D) neck

  E) shaft

  F) distal end

  
• ..

  A) radial styloid process

  B) suprastyloid crest

  C) dorsal tubercle of Lister