Muscle Actions Flashcards
(30 cards)
Rhomboids
Retraction & downward rotation of scapula
Levator scapulae
Elevates and retractes scapulae
Serratus anterior
Protraction of scapulae
Deltoid
Abducts shoulder, flexion of shoulder, medial or internal rotation of shoulder, shoulder posterior abduction
Pectoralis Major
Flexes shoulder, extends shoulder, internal or medial rotates shoulder, horizontal adduction, adduction of shoulder
Latissimus Dorsi
Extends shoulder, adducts shoulder, internally or medically rotates shoulder
Teres Major
Adducts shoulder, extends shoulder, medically rotates shoulder
Infraspinatus
Lateral rotation of shoulder
Supraspinatus
Abduction of shoulder
Teres minor
Adduction of shoulder
Subscapularis
Medial rotation of shoulder
Trapezius
Elevation & retraction of scapula, rotation & lateral flexion of neck
Biceps brachii
Flexion of elbow, supinates forearm, flexion of shoulder
Triceps brachii
Extension of elbow, extension of shoulder
Anconeous
Extension of elbow
Sternocleidomastoid
Flexes cervical spine, laterally rotates cervical spine
Erector spinae
Laterally flexes cervical and lumbar spine, extends the neck and back
Rectus abdominus
Flexes lumbar spine
External obliques
Laterally rotates and flexes trunk
Internal oblique
Laterally rotates trunk
Iliopsoas
Flexes hip, laterally rotates hip, adducts hip
Sartorius
Flexes hip, laterally rotates hip, abducts hip, flexes knee
Quadriceps names & actions
Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis; flexion of knee, flexion of hip
Gluteus maximus
Extends hip, laterally rotates hip, abduction of hip
