Lesson 9 Flashcards
Main function of shoulder girdle
fixate to scapula
Shoulder muscles used in pull up
rhomboid major and minor
2 anterior muscles that work to stabilize scapula
- pectoralis minor
- serratus minor
4 posterior muscles that move humerus
- trap
- rhomboid major
- rhomboid minor
- levator scapulae
SITS (supraspinatus, infraspinatus, subscapularis, teres minor) are all part of what
rotator cuff
What muscle forms cap over and around shoulder
deltoid
Widest muscle of posterior trunk, one of most powerful/important extensor muscles of humerus
latissimus dorsi
____ branchii muscle is a __ headed structure and only posterior muscle in ___ arm
Triceps, 3, upper
Primary extensor of elbow
Triceps branchii
Flat muscle located on anterior ab wall, flexor of the spine, controls tilt of pelvis
Rectus abdominus
Outermost layer of ab wall, serves to rotate and assist in bilaterally flexing spine
External obliques
Beneath externals, acts to rotate and assist in bilateral flexing spine
Internal obliques
Deepest of ab wall, stabilizes lumbar and pelvic regions
Transverse muscles
How may muscles in both anterior view and exterior view of hip
anterior- 9
posterior- 12
Function to flex and externally rotate femur
Iliopsoas
Longest muscle in body, crosses hip and knee, produces flexion at both joints
Sartorius
Just below sartorius, part of quad and femoris group, only one that acts at both hip and knee
Rectus femoris
Largest/most superficial posterior hip muscle, acts as extensor and external rotator of hip, not used in walking, used in running, hopping, and jumping
Gluteus maximus
Plays role in walking
Gluteus medius
Muscles in ____ are responsible for movement of the knee
Thigh
Responsible for extending knee
Quad. femoris
