Cubital Fossa & Forearm Flashcards
Bony Landmarks: Head of Radius
Articulates with Capitulum of Humerus
Attaches Anular Ligament
Bony Landmark: Radial Tuberosity
Attaches Biceps Brachii Muscle
Bony Landmark: Shaft of Radius and Ulna
Interosseous Border — Interosseous Membrane
Bony Landmark: Ulnar Notch
On Distal Radius, articulates with the Head of Ulna
Bony Landmark: Styloid Process
Inferior Lateral Angle of both Ulna and Radius
Bony Landmark: Dorsal Tubercle
Distal Posterior Medial Surface of Radius
Bony Landmark: Olecranon Process
Attaches Triceps Brachii
Bony Landmark: Trochlear Notch
Articulates with Trochlea of Humerus (Ulna)
Bony Landmark: Coronoid Process
Attaches Brachialis Muscle
Anterior Proximal Surface of Ulna and junction with Trochlear Notch
Bony Landmark: Radial Notch
Articulates with Head of Radius at Proximal Junction
Bony Landmark: Ulnar Tuberosity
Attaches Brachialis Muscle
Proximal Anterior Surface of Ulna
Action: Abductor Pollicis Longus
Abducts & Extends Thumb @ Carpometacarpal Joint
Abducts Hand @ Wrist (Radial Deviation)
Action: Brachioradialis
Flexes Elbow
Action: Extensor Carpi Radialis Brevis
Extends & Abducts Hand @ Wrist (Radial Deviation)
Action: Extensor Carpi Radialis Longus
Extends & Abducts Hand @ Wrist (Radial Deviation)
Assists in Flexion of Elbow
Action: Extensor Carpi Ulnaris
Extends & Adducts Hand @ Wrist (Ulnar Deviation)
Action: Extensor Digitorum
Extends Phalanges (1st meta-, 2nd inter-)
Extends Hand @ Wrist
Action: Extensor Digiti Minimi
Extends 5th Digit (Pinky) (meta- & inter-)
Action: Extensor Indicis
Extends 2nd digit (pointer) (meta-, inter-)
Action: Extensor Pollicis Brevis
Extends Thumb (meta-)
Extends & Abducts CMC Joint
Action: Extensor Pollicis Longus
Extends Thumb (CMC, Meta-, Inter-)
Action: Flexor Carpi Radialis
Flexes & Abducts Hand @ Wrist (Radial Deviation)
May Assist in Pronation of Forearm & Flexion of Elbow
Action: Flexor Carpi Ulnaris
Flexes & Adducts Hand @ Wrist (Ulnar Deviation)
Assists in Flexion of the Elbow
Action: Flexor Digitorum Profundus
Flexion of Digits 2-5 (meta-, distal & proximal inter-)
Flexion of Hand @ Wrist