ANTERIOR FOREARM MUSCLES

1. Pronator Teres

1.1. ORIGINS--- MEH coronoid process of ulna

1.2. Insertion - lateral radial tendon

1.3. Innovation- Medial

1.4. Actions- Pronation/ elbow flexion

2. FLEXOR CARPI RADIALIS

2.1. Origin- MEH

2.2. Insertion - bases of 2nd and 3rd metacarpals

2.3. Innervation- Medial

2.4. Actions- Elbow flexion, wrist abduction, wrist flexion

3. Flexor Digitorum Superficialous

3.1. Origins- MEH and coronoid process of ulna

3.2. Insertion - digits 2-5 middle phalanges

3.3. Innervation- medial

3.4. Action- flexion of middle phalanges and wrist

4. Flexor Digitorum Profundus

4.1. Origin- Proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane

4.2. Insertion- distal phalanges 2-5

4.3. Innervation- Ulnar AND Medial

4.4. Action- finger tip flexion

5. Palmaris longus

5.1. Origin- MEH

5.2. Insertion- palmar aponeurosis

5.3. Innervation- medial

5.4. Actions- elbow flexion, wrist flexion, helps tense palm when gripping objects

6. Flexor Carpi Ulnaris

6.1. Origins- MEH posterior head of ulna

6.2. Insertion- pisiform, hamate and base of 5th metacarpal

6.3. Innervation- medial

6.4. Actions- elbow flexion, wrist adduction

7. Flexor pollicis longus

7.1. Origin- middle 1/2 of radius

7.2. Insertion- distal phalange of 1st digit

7.3. Innervation- medial

7.4. Action- flexion of 1st digit

8. Pronator quadratus

8.1. Origin- medial anterior ulna

8.2. Insertion- lateral anterior radius

8.3. Innervation- medial

8.4. Action- rotates forearm / keeps distance between ulna and radius