Anatomy 2_Brachial plexus Flashcards
What are the spinal nerves in the Brachial plexus
C5,C6,C7,C8, T1
How is the brachial plexes divided?
1) Ventral rami
2) Trunks
3) Divisions
4) cords
5) Branches
6) Terminal nerves
What Spinal roots are in the Musculocutaneous Nerve
What are the Spinal roots in the Axillary Nerve
C5 and C6
What are the Spinal roots in the Radial nerve
C5,C6,C7,C8,T1
What are the spinal roots in the Median Nerve
C6,C7,C8,T1
What are the spinal roots in the thoracic nerve
Whar aer the spinal roots in the Ulnar Nerve
C7,C8,T1
Lable the trunks
What nerve roots are in the Superior trunk?
C5 and C6
What Spinal root(s) make up the middle trunk of the brachial plexus
C7
What spinal roots make up the inferior trunk of the brachial plexus
C8 and T1
Label the posterior and anterior divisions
Label the cords of the Brachial plexus
Label the Branches of the brachial plexes
Label the scapula
What is this
Subscapularis
Teres major
What is the function of the biceps Brachii
Flexion of the forearm @ the elbow
What is the function of the brachialis?
Flexion of the forearm @ elbow
What is the function of the Coracobrachialis?
Flexion of the arm at the shoulder
What muscle is innervated by the Musculocutanesous nerve
1) Coracobrachialis
2) Brachialis
3) Biceps brachii
What innervates the triceps Brachi?
Radial Nerve
What is the primary function of the triceps braichi?
Extension of the forearm at the elbow
