BRACHIAL PLEXUS

Download Report

Transcript BRACHIAL PLEXUS

BRACHIAL PLEXUS
•
•
•
•
•
•
•
•
•
•
PLEXUS- IS A NETWORK OF
NERVES
BRACHIAL PLEXUSFOUND IN THE NECK AND AXILLA
FORMED BY VENTRAL RAMI OF C5C8 AND T1 ( THERE MAY BE
CONTRIBUTIONS FROM C4, T2)
GIVES RISE TO NERVES THAT
SUPPLY THE UPPER LIMB
FORMATION
ROOTS- C5-C8 AND TI( VENTRAL
RAMI)
TRUNKS-UPPER , MIDDLE, LOWER
DIVISONS-ANTERIOR/POSTERIOR
CORDSMEDIAL/LATERAL/POSTERIOR
•
•
•
•
•
•
ROOTS
C5
C6
C7
C8
T1
FORMATION OF TRUNKS
UPPER
MIDDLE
LOWER
FORMED IN
THE NECK
DIVISIONS AND CORDS OF
BRACHIAL PLEXUS
•
•
•
TRUNKS
UPPER TRUNK
DIVISIONS
PINKANTERIOR
DIVISION
CORDS
LATERAL CORD-ANTERIOR
DIVISIONS OF UPPER AND
MIDDLE TRUNK
POSTERIOR CORDPOSTERIOR DIVISIONS OF ALL
TRUNKS
MIDDLE TRUNK
MEDIAL CORD-ANTERIOR
DIVISION OF LOWER TRUNK
•
LOWER TRUNK
BLUE POSTERIOR
DIVISION
CORDS ARE NAMED
ACCORDING TO THEIR
RELATIVE POSITIONS TO THE
AXILLARY ARTERY
BRACHIAL PLEXUS
NERVES ARISING FROM THE
CORDS
•
1.
2.
3.
4.
5.
•
1.
2.
3.
MEDIAL CORD
MEDIAL CUTANEOUS NERVE OF ARM- CUTANEOUS
SUPPLY TO SKIN
MEDIAL CUTANEOUS NERVE OF FOREARM-CUTANEOUS
SUPPLY TO THE SKIN
MEDIAL ROOT OF MEDIAL NERVE- JOINS WITH LATERAL
ROOT TO FORM MEDIAN NERVE
ULNAR NERVE
MEDIAL PECTORAL NERVE
LATERAL CORD
LATERAL ROOT OF MEDIAN NERVE
MUSCULOCUTANEOUS NERVE
LATERAL PECTORAL NERVE
NERVES FROM THE POSTERIOR
CORD
•
•
•
•
•
1. UPPER SUBSCAPULAR NERVE
2.LOWER SUBSCAPULAR NERVE
3.THORACODORSAL NERVE
4. RADIAL NERVE
5. AXILLARY NERVE
CUTANEOUS NERVE SUPPLY HAND (
POSTERIORLY)
MEDIAL 11/2 FINGERS AND HAND- ULNAR
NERVE
TIPS OF FINGERS LATERAL 31/2
FINGERS- MEDIAN NERVE
REST OF LATERAL 31/2 FINGERS AND
HAND - RADIAL NERVE