Orbicularis oculi bony attachment

medial wall of eye

Orbicularis oculi soft attachment

skin of eyelid

Zygomaticus major body attachment

zygomatic one

Zygomaticus major soft attachment

upper corner of mouth

Sternocleidomastoid superior attachment

mastoid process, and occipital bone

Sternocleidomastoid inferior attachment

manubrium and sternal ends of clavicle

Sternocleidomastoid unilateral action

lateral neck flexion, and rotating head

Sternocleidomastoid bilateral action

flexion of the neck (nodding)

Erecter spinae group

iliocostalis, longissimus, spinalis

Diaphragm action

breathing when rounded or flat

Rectus abdominus superior attachment

sternum, and ribs

Rectus abdominus inferior attachment

pubis

Rectus abdominus action

trunk flexion, abdominal wall compression

Transverse abdominus direction

horizontal lines

Internal oblique direction

increasing diagonal

External oblique direction

decreasing diagonal

Connective tissue of the abdominal muscles

rectus sheeth, and linea alba

Trapezius midline attachment

skull, occipital bone, spineous processes, and ligamentum nucae

Trapezius lateral attachments

acrimal side of clavicle

Trapezius action

depression, elevation, protraction, and retraction of shoulders, and rotation

Deltoid proximal attachment

clavicle

Deltoid distal attachment

intertubicular sulcus of humerus

Deltoid action

flexion, rotation, adduction of arms

Biceps brachii proximal attachment

supraglenid cavity, coracoid process of scapula

Biceps brachii distal attachment

tuberosity, bicipital aponeurosis

Biceps brachii action

flexion, and supination assisting

Iliacus attachment

iliac fossa, troncler of femur

Psoas major proximal attachment

spine

Psoas distal attachment

troncter of femur

Iliacuspsoas muscle is the combination of

the iliacus and psoas muscles

Gluteus maximus proximal attachment

iliac crest, sacrum, and coccyx

Gluteus maximus distal attachment

iliotibial tract, linea aspera, gluteal tuborosity

Gluteus maximus action

extension of thigh and rotation of foot

Gastrocnemius action

plantor flexion, and knee flexion