Cubital Fossa & Anterior Forearm Flashcards
Superficial layer of the Anterior compartment of the forearm
Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris
Pronator teres attachments
from… the medial epicondyle & ulnar coronoid process
to… lateral aspect of the radius
Pronator teres actions
pronates & flexes forearm
Pronator teres innervation
PNS: median nerve
CNS C6-7
Flexor carpi radialis attachments
from… the medial epicondyle (common flexor origin)
to… the palmar aspect of the base of the 2nd metacarpal
Flexor carpi radialis actions
flexes & abducts hand at wrist (radial deviation) & may assist in pronation of forearm & flexion of the elbow
Flexor carpi radialis innervation
PNS: median nerve
CNS: C6-8
Palmaris longus attachments
from… the medial epicondyle of the humerus (common flexor origin)
to… the palmar aponerousis
Palmaris longus actions
flexes hand at wrist & tenses palmar fascia
Palmaris longus innervations
PNS: median nerve
CNS: C7-8
Flexor carpi ulnaris attachments
from… the medial epicondyle (common flexor origin) of the humerus & proximal ulnar shaft
to… the pisiform
Flexor carpi ulnaris actions
flexes & adducts hand at wrist (ulnar deviation) & assists in flexion of the elbow
Flexor carpi ulnaris innervations
PNS: ulnar nerve
CNS: C7-T1
Intermediate layer of the Anterior compartment of the forearm
Flexor digitorum superficialis
Flexor digitorum superficialis attachments
from… the medial epicondyle (common flexor origin) of the humerus
to… the sides of the middle phalanges of digits 2-5
Flexor digitorum superficialis actions
flexion of digits (metacarpophalangeal & proximal interphalangeal), & hand at wrist