blood arteries and all

1. Competency
The student should be able to
• Describe & demonstrate important muscle groups
of ventral forearm with
Attachments
Nerve supply
Actions

2. Superficial flexor muscles
1 Pronator teres
2 Flexor carpi radialis
3 Palmaris longus
4 Flexor carpi ulnaris
5 Flexor digitorum superficialis (FDS)

3. Arteries
Superficial cervical
artery
Suprascapular
artery
Brachial plexus
Subclavian
artery
Thyrocervical trunk
Dorsal scapular
artery

4. Flexor carpi ulnaris
Origin
Humeral head:
Common origin of superficial flexor muscles
Ulnar head: Medial margin of olecranon
Upper ⅔ rd of posterior border of ulna
Insertion:
Pisiform bone, Hook of hamate,
Base of the fifth metacarpal
Actions: Flexor of wrist joint
Adduction of wrist
(with extensor carpi ulnaris)
Nerve supply: Ulnar nerve

5. Submandibular
gland
Submandibular
lymph nodes
Mylohyoid nerves
& vessels
Facial artery &
vein
Hypoglossal
nerve
Contents:
Anterior part
1
2
3
4
5

6. A quick revision
• Median nerve passes between the two heads of
Pronator teres
• Palmar aponeurosis is degenerated distal part of
Palmaris longus muscle
• Flexor pollicis longus is a type of
Unipennate muscle
• More powerful pronator in pronator teres & pronator quadratus is
Pronator quadratus
• Flexion of terminal phalanx is done by
Flexor digitorum profundus