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
Action: Flexor Digitorum Superficialis
Flexion of Digits (meta- & proximal inter-)
Flexion of Hand @ Wrist
Action: Flexor Pollicis Longus
Flexion of Thumb (meta- & inter-)
Action: Palmaris Longus
Flexes Hand @ Wrist
Tenses Palmar Fascia
Action: Pronator Quadratus
Pronates the Forearm
Action: Pronator Teres
Pronates & Flexes Forearm
Action: Supinator
Supinates Forearm
Bones of Fingers
Metacarpals (Palm)
Proximal Phalanges
Middle Phalanges
Distal Phalanges
(Thumb does not have Middle Phalanges)
Bony Landmarks of Wrist (Associated with Forearm Muscles)
Trapezium (Base of Thumb)
Pisiform (Anterior Side of Triquetrum… Base of Pinky)
Landmarks on Phalanges
Base (Proximal)
Body
Head (Distal)
Radial Collateral
Ligament from lateral Epicondyle to annular ligament
Resists Cubital Varus (Away from midline)
Ulnar Collateral
Ligament from medial Epicondyle to medial margin of Coronoid process & Olecranon process
Resists Cubital Valgus (In)
Annular Ligament
Stabilizes the proximal radioulnar joint
Anterior margin of radial notch to posterior margin of radial notch
Bursa @ Elbow
Subcutaneous bursa of medial epicondyle
Subcutaneous bursa of lateral epicondyle
Bursa of Anconeus
Bursae at origin of Extensor Carpi Radialis Brevis
Olecranon Bursae
Anterior Superficial Compartment of Fascia
Pass/Fail/Pass/Fail
Pronator Teres (M)
Flexor Carpi Radialis (M)
Palmaris Longus (M)
Flexor Carpi Ulnaris (U)
Anterior Intermediate Compartment of Fascia
Flexor Digitorum Superficialis (M)
Anterior Deep Forearm Compartment of Fascia
Flexor Digitorum Profundus (Digits 2&3 Medial, Digits 4&5 Ulnar)
Flexor Pollicis Longus (M)
Pronator Quadratus (M)
Posterior Superficial Fasical Compartment
Brachioradialis
ECRL
ECRB
ECU
ED
EDM
Posterior Deep Compartment of Fascia
Supinator
Extensor Indicis
APL
EPL
EPB
