Flexor-Pronator (Anterior) Muscles of Forearm Flashcards
Attachments and Main Action/s and Layer Location (Superficial/Intermediate/Deep)
Pronator Teres
SUPERFICIAL LAYER
Attachments:
Superior/Proximal: Ulna Head to Coronoid Process & Humeral Head to Medial Epicondyle of Humerus
Inferior/Distal: Middle Lateral Radius
Action:
Pronates and Flexes Forearm
Flexor Carpi Radialis
SUPERFICIAL LAYER
Attachments:
Superior/Proximal: Medial Epicondyle of Humerus
Inferior/Distal: Base 2nd Metacarpal
Action:
Flexes and Abducts Hand
Palmaris Longus
SUPERFICIAL LAYER
Attachments:
Superior/Proximal: Medial Epicondyle of Humerus
Inferior/Distal: Flexor Retinaculum & Palmar Aponeurosis
Action:
Flexes Hand & Tenses Palmar Aponeurosis
Flexor Carpi Ulnaris
SUPERFICIAL LAYER
Attachments:
Superior/Proximal: Humeral Head to Medial Epicondyle of Humerus & Ulnar Head to Olecranon and Posterior Ulna
Inferior/Distal: Pisiform & Hook of Hamate & 5th Metacarpal
Action:
Flexes and Adducts Hand
Flexor Digitorum Superficialis
INTERMEDIATE LAYER
Attachments:
Superior/Proximal: Humero-Ulna Head to Medial Epicondyle & Radial Head to Superior Anterior Radius
Inferior/Distal: Middle Phalanges (Medial 4 Digits)
Action:
Flexes Middle Phalanges at IP Joints of Medial 4 Digits. Continued it Flexes MP Joints.
Flexor Digitorum Profundus
DEEP LAYER
Attachments:
Superior/Proximal: Proximal Medial Anterior Ulna and Interosseous Membrane
Inferior/Distal: Medial Part to Base Distal Phalanges (4th and 5th) & Later Part to Base Distal Phalanges (2nd and 3rd)
Action:
Medial Part Flexes Distal Phalanges 4 and 5 at IP Joints & Lateral Part Flexes Distal Phalanges 2 and 3 at IP Joints
Flexor Pollicis Longus
DEEP LAYER
Attachments:
Superior/Proximal: Anterior Radius & Interosseous Membrane
Inferior/Distal: Base Distal Phalanx
Action:
Flexes Phalanges of 1st Digit
Pronator
DEEP LAYER
Attachments:
Superior/Proximal: Distal Anterior Ulna
Inferior/Distal: Distal Anterior Radius
Action:
Pronator Forearm & Binds Ulna and Radius Together
