Anatomy I 2
Terms
undefined, object
copy deck
- muscles involved in arm extension
-
latissimus dorsi
teres major
long head triceps
posterior portion deltoid - medial rotation of arm
-
subscapularis
latissimus dorsi
pectoralis major
anterior pt deltoid - lateral flexion of the arm
-
infrspinatis
teres minor
posterior pt deltoid -
arm ABduction
*name two motions
*list muscles -
1. true ABduction of arm at shoulder
2. upward rotation of scapula
*supraspinatus (15 degrees)
deltoid
trapezius, serratus anterior -
ABduction of scapula
(protraction) -
serratus anterior
pectoralis - assists - Lateral rotation of scapula(retraction)
-
rhomboid mjr, minor
trapezius -
arm ADDuction
*muscles used -
pectoralis majr, minor
latissimus dorsi
teresl major
deltoid (as antagonist) -
arm ADDuction
2 motions -
1. downward rotation of scapula
2. ADDuction of arm -
arm circumduction
*action - circular motion involving shoulder girdle
-
arm circumduction
*muscles -
pectoralis mjr, deltoid
subscapularis, lat. dorsi
coraco brachialis,
biceps brachii, teres mjr,mnr
supra/infraspinatus
long head of triceps - pollicus ABduction
- abductor pollicus longis and brevis
- vertebral body
- the largest part of the vertebra, shaped like a short cylinder; adjacent vertebral bodies articulate through a symphysis