Elbow and Forearm Flashcards
humeroulnar joint
b: humerus, ulna
L: medial collateral ligament
J: pivot
humeroradial joint
b: humerus, radius
L: lateral collateral ligament
J: plane
Proximal radioulnar joint
b: radius, ulna (P)
L: annular ligament
J: pivot
distal radioulnar joint
b: radius, ulna (D)
L: interosseous membrane
J: pivot
Elbow Flexion ROM
0-150 degrees
Elbow Extension ROM
0 degrees
Forearm supination ROM
0-80 degrees
Forearm pronation ROM
0-80 degrees
Humeroulnar Joint Ok’s & Ak’s
Flexion
Roll & Glide
Same
Humeroulnar Joint Ok’s & Ak’s
Extension
Roll & Glide
Same
Humeroradial Joint Ok’s & Ak’s
Flexion & Extension
Glide
Same
Humeroradial Joint Ok’s & Ak’s
Pronation & Supernation
Spin
(P) Radioulnar Joint Ok’s & Ak’s
Supination & Pronation
Roll & glide
(D) radioulnar Joint Ok’s & Ak’s
Supination & Pronation
Roll & glide
same
Humeroulnar
Close-packed
full extension and
supination
Humeroulnar
Open-Packed
70 degrees flexion, 10 degrees supination
Humeroulnar
End Feel
Flexion: soft
extension: hard
Humeroulnar
Capsular Pattern
Flexion > Extension
(P) Radioulnar
Close-packed
5 degrees supination
(P) Radioulnar
Open-packed
70 degrees flexion
35 degrees supination
(P) Radioulnar
End feel
Firm
(D) Radioulnar
Close-Packed
5 degrees supination
(D) Radioulnar
Open-Packed
10 degrees supination
(D) Radioulnar
End Feel
Firm
Radioulnar
Capsular Pattern
Pronation = Supination
Cubital Fossa
Lateral Border
brachioradialis
Cubital Fossa
Medial border
pronator teres
Cubital Fossa
Contents
Tendon of Biceps
Artery (brachial)
Nerve (median)
Elbow Flexion
Muscles
Biceps brachii
brachialis
brachioradialis
Elbow Extension
Muscles
Anconeous
Triceps
Forearm pronation
pronator teres
pronator quadratus
Forearm Supination
Supinator
Biceps Brachii
Brachialis (O)
Ant surface distal 1/2 humerus
Brachialis (I)
ulnar tuberosity
coronoid process of ulna
Brachialis (A)
elbow flexion
Biceps Brachii long head (O)
supraglenoid scapular tubercle
Biceps Brachii short head (O)
coracoid process (scapula)
Biceps Brachii (I)
radial tuberosity (radius)
Biceps Brachii (A)
Shoulder Flexion
Elbow flexion
forearm supination
Brachioradialis (O)
lateral supracondylar ridge on humerus
Brachioradialis (I)
distal lateral aspect of radius proximal to radial styloid process
Brachioradialis (A)
Elbow Flexion
Forearm supination
Forearm pronation
Triceps Brachii long head (O)
infraglenoid scapular tubercle
Triceps Brachii lat head (O)
posterior humerus, inferior to greater tubercle
Triceps Brachii lat head (O)
posterior surface of humerus
Triceps Brachii (I)
Olecranon process (ulna)
Triceps Brachii (A)
shoulder extension
elbow extension
Anconeus (O)
Lat epicondyle (humerus)
Anconeus (I)
Lat & inf. to triceps on olecranon process
Annular ligament
Anconeus (A)
Elbow extension
might retract joint capsule during elbow extension
Pronator Teres (O)
Medial epicondyle of humerus
Coronoid process of ulna
Pronator Teres (I)
Lat aspect of radius at midpoint
Pronator Teres (A)
Forearm pronation
elbow flexion
Pronator Quadratus (O)
ant distal 1/4 of ulna
Pronator quadratus (I)
ant. distal 1/4 of radius
Pronator quadratus (A)
pronates forearm
Stabilizes (D) radioulnar joint
Supinator (O)
lat epicondyle (humerus)
adjacent ulna
Supinator (I)
ant surface of proximal radius
Supinator (A)
forearm supination
elbow flexion