UE Muscles Flashcards
SCM, trapezius, other deep neck muscles
Actions - neck flex, ext, rot, SB
Cord - C1-C4
Nerves - cervical spinal accessory
UT
Actions - sh shrug, scap up rot
Myotomes - C4
Cord - C1-C4
Nerves - spinal accessory
Pec major/minor
Actions - sh h-add
Cord - C5-T1
Nerve - medial/lateral pectoral
Pec minor
Actions - scap down rot
Cord - C8-T1
Nerve - medial pectoral
SA
Actions - sh pro, scap up rot
Cord - C5-C7
Nerve - long thoracic
Levator
Actions - scap elev, down rot
Cord - C5
Nerve - dorsal scapular
Rhomboids
Actions - scap add, elev, down rot
Cord - C4-C5
Nerve - dorsal scapular
Supraspinatus
Actions - sh abd
Cord - C4-C6
Nerve - suprascapular
Infraspinatus
Actions - sh ER
Cord - C4-C6
Nerve - suprascapular
Lats, teres major, subscap
Actions - sh IR, add
Cord - C5-C8
Nerve - subscapular and thoracodorsal
Deltoid
Actions - sh abd, flex, ext
Myotome - C5
Cord - C5-C6
Nerve - axillary
Teres minor
Actions - sh ER
Cord - C4-C5
Nerve - axillary
Bicep
Actions - elbow flex, fore sup Myotome - C6 Reflex - C5 Cord - C5-C6 Nerve - musculocutaneous
Coracobrachialis
Actions - sh flex, add
Cord - C6-C7
Nerve - musculocutaneous
Brachialis
Actions - elbow flex
Cord - C5-C6
Nerve - musculocutaneous
Flex digitorum (ulnar part)
Actions - 4/5th DIP flex
Cord - C7-T1
Nerve - ulnar profundus