actions reverse Flashcards
Splenius capitus and cervicis
Laterally bend head and neck only
Rotate head and neck
Extend head and neck
Sternocleidomastoid
Laterally flexes neck
Extend head
Rotates head so that face is turned superiorly toward contralateral side
Flexes neck when head is flexed
Flexes lower neck when upper neck and head are extended; head protrudes anteriorly
Anterior scalene
Laterally flexes neck
Elevate 1st rib
Middle scalene
Laterally flexes neck
Elevate 1st rib
Posterior scalene
Laterally flexes neck
Elevate 2nd rib
Rectus capitis posterior major
Extend head
Rectus capitis posterior minor
Extend head
Obliquus capitis superior
Extend head
Obliquus capitis inferior
Rotate head
Semispinalis capitus and cervicis
Rotate head and neck
Extend head and neck
Extend vertebral column
Rotate vertebral column
Spinalis
Laterally bend vertebral column
Extend vertebral column
Longissimus
Laterally bend vertebral column
Extend vertebral column
Iliocostalis
Laterally bend vertebral column
Extend vertebral column
Intertransversarii
Laterally bend vertebral column
Levatores costarum
Laterally bend vertebral column
Elevate ribs
Multifidus
Rotate vertebral column
Extend vertebral column
Rotatores
Rotate vertebral column
Extend vertebral column
Interspinales
Extend vertebral column
Pectoralis minor
Elevate upper ribs only
Stabilize scapula against thoracic wall
Serratus posterior superior
Elevate upper ribs only
Serratus posterior inferior
Depress lower ribs
Upper (descending) trapezius
Elevate scapula
Rotate scapula superiorly
Levator scapulae
Elevate scapula
Rotate scapula inferiorly
Lower (ascending) trapezius
Depress scapula
Rotate scapula superiorly
Middle trapezius
Retract scapula
Rhomboid major
Retract scapula
Rotate scapula inferiorly
Rhomboid minor
Retract scapula
Rotate scapula inferiorly
Serratus ventralis (anterior)
Protract scapula
Rotate scapula superiorly
Stabilize scapula against thoracic wall
Subclavius
Depress clavicle
Latissimus dorsi
Extend arm
Adduct arm
Medially rotate arm
Posterior deltoid
Extend arm
Laterally rotate arm
Long head of triceps brachii
Extend arm
Adduct arm
Resist inferior displacement of humerus
Pectoralis major - sternocostal head
Extend arm from a flexed position
Pectoralis major - clavicular head
Flex arm