Muscle/blood Flashcards
Smooth muscle
Involuntary, no striations, around hollow organs
Skeletal muscle
Voluntary, striated, connected to bone, lots of nuclei, long fibers
Cardiac muscle
Involuntary, striated, intercalated discs, found in heart
Occipitofrontalis
Elevates (raises) eyebrows
Orbicularis oculists
Closes eye
Zygomatic us
Elevates and abducts upper lip
Orbicularis oris
Closes lip
Masseter
Elevates mandible (closes jaw)
Temporalis
Elevates mandible (closes jaw)
Sternocleidomastoid
Flex neck/head. Rotate head
Deltoid
Abducts arm
Trapezius
Extends head/neck. Moves scapula
Latissimus Doris
Addicts and extends arm (power stroke)
Pectoralis major
Adducts and flexes arm
Rectus abdomiunus
Flexes vertebral column. Compresses abdomen.
External oblique
Flexes vertebral column. Compresses abdomen.
Internal oblique
Flexes vertebral column. Compresses abdomen.
Transversus abdomiunus
Compresses abdomen
External intercostals
Elevates ribs in inspiration
Biceps brachii
Flex arm at elbow
Brachialis
Flex arm at elbow
Triceps brachii
Extend arm at elbow
Flexors of hand and wrist
Flex wrist and hand
Extensors of wrist and hand
Extend wrist and hand