OINA: Chest/Biceps (Anterior forearms) Flashcards
Superficial Group:
- Pronator Teres
- Flexor Carpi Radialis
- Palmaris Longus
- Flexor Carpi Ulnaris
Intermediate Group
-Flexor Digitorum Superficialis
Deep Group
- Flexor Pollicis Longus
- Flexor Digitorum Profundus
- Pronator Quadratus
Blood Supply
Ulnar and Radial Artery
Pronator Teres
O: Humeral Head-Medial Epicondyle of Humerus
Ulnar Head- Medial Border of coronoid process of Ulna
I: Lateral Aspect of shaft of radius
N: Median Nerve C6,C7
A: Pronation and flexion of the forearm
Flexor Carpi Radialis
O: Medial Epicondyle
I: Base of 2nd and 3rd Metacarpal
N: Median Nerve: C6,C7
A: Flexes and abducts hand at wrist jt.
Palmaris Longus
O: Medial Epicondlye
I: Palmar Aponeurosis and Flexor Retinaculum
N: Median Nerve C7,C8
A: Flexes Hand
Flexor Carpi Ulnaris
O: Humeral Head - Medial Epicondyle
Ulnar Head - Medial aspect of olecranon and posterior border of ulna
I: Base of 5th Metacarpal, hook of hamate, and Pisiform
N: Ulnar Nerve C8,T1
A: Flexes and adducts hand at wrist jt.
Flexor Digitorum Superficialis
O: Humeroulnar Head - Medial Epicondyle; medial border of coronoid process of ulna
Radial Head - Oblique line on anterior surface of shaft of radius
I: Middle phalanx of medial 4 fingers
N: Median Nerve
A: Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand
Flexor Digitorum Profundus
O: Anteromedial surface of shaft of ulna
I: Distal phalanges of medial four fingers
N: Medial half (Ulnar Nerve); Lateral half (Medial Nerve)
A: Flexes dist phalanx of fingers and assists in flexion of middle and proximal phalanges and wrist
Pronator Quadratus
O: Anterior surface of shaft of ulna
I: Anterior surface of shaft of radius
N: Anterior interosseous branch of median nerve C8,T1
A: Pronates Forearm
Flexor Pollicis Longus
O: Anterior surface of shaft of radius
I: Distal Phalanx of thumb
N: Anterior Interosseous branch of Median Nerve C8, T1
A: Flexes distal phalanx of thumb
