Muscles Flashcards
Deltoid
Controls humerus
Sternocleidomastoid
Flexes head toward chest
Pectoralis major
Bringing humerous across chest
Biceps brachi
Flexing and rotating
Gastrocnemius
Flexes foot and leg
Vastus lateralis
Extends leg
Trapezius
Shoulder shrugs,stretch head,elevates clavicle and strapula
Triceps brachi
Back of arm;extends forearm
Latissiumus dorsi
Controls humorous
Gluteus medius
Rotates thigh
Good place for injections Bc no major blood vessels, good blood supply
Gluteus maximus
Helps rotate and extend thigh
Rectus abdominus
Flexing vertebral column
Transversus abdominus
Natural girdle
Keeps organs in and allows organs to expand
External oblique
Tightens abdominopelvic wall and compresses internal organs
Muscle fibers
Make up skeletal muscles
Extend length of muscle
Arranged in fascicles