bio 245 muscle O & I

Frontalis

O: galea aponeurotica
I: skin of eyebrow, nose

Occipitalis

O: occipital bone, mastoid

I: galea aponeurotica

Temporalis

O: Temporal lines of skull

I: Coronoid process of mandible

Zygomaticus major

O: zygomatic bone

I: corner orbicularis oris

Nasalis

O: maxillary bone, cartilage

I: Bridge of nose

Masseter

O: zygomatic arch

I: mandible (lateral ramus)

Orbicularis oculi

O: medial orbit bones

I: skin of eyelid

Orbicularis oris

O: maxillary bone, mandible

I: mucosa of lips

Buccinator

O: maxillary bone, mandible

I: orbicularis oris

Mentalis

O: fossa on mandible

I: skin of chin

Sternocleidomastoid

O: sternum (manubrium), clavicle

I: mastoid process

Platysma

O: Superior Thorax

I: Mandible and skin of cheek

Semispinalis capitis

O: lower cervical and upper thoracic vertebrae

I: Occipital bone

Splenius capitis

O: spinous processes & ligament Lower C. Upper T. vertebrae

I: Mastoid process (temporal bone) Occipital bone, Upper C. Vertebrae

Trapezius

O: Occipital bone, all cervical and thoracic vertebrae

I: clavicle, scapula

Latissimus Dorsi

O: Lower Thoracic, Lumbar and sacral vertebrae and ribs 8-12

I: Humerus - intertubercular groove

Teres major

O: Inferior angle of scapula

I: Humerus - intertubercular groove

Teres minor

O: Lateral Border scapula

I: Greater tubercle - humerus

Infraspinatus

O: Infraspinous fossa -scapula

I: Greater tubercle - humerus

Supraspinatus

O: Supraspinous fossa – scapula

I: Greater tubercle - humerus

Deltoid

O: clavicle, scapula

I: humerus (deltoid tuberosity)

Pectoralis major

O: clavicle, sternum (body) and costal cartilage Ribs 2-6

I: humerus - greater tubercle and intertubercular groove

Pectoralis minor

O: Ventral surfaces of ribs 3-5

I: Coracoid process - scapula

serratus anterior

O: ribs 1-9 anterior/superior margins

I: anterior scapula

external intercostals

O: inferior edge upper rib

I: superior edge lower rib

internal intercostals

O: superior edge lower rib

I: inferior edge upper rib

Diaphragm

O: ribs, xiphoid process and lumbar vertebrae

I: tendon of diaphragm

triceps brachii

O: scapula (1) and humerus (2)

I: ulna - olecranon process

biceps brachii

O: scapula

I: radial tuberosity

brachialis

O: humerus

I: ulna

Brachioradialis

O: humerus - lateral epicondyle

I: radius (styloid process)

pronator teres

O: humerus and ulna

I: radius (lateral surface)

rectus abdominis

O: Pubic crest/symphysis

I: xiphoid and costal cartilage for ribs 5-7

external oblique

O: lower 8 ribs

I: iliac crest, linea alba

internal oblique

O: iliac crest

I: linea alba, lower ribs and xiphoid process

transverse abdominis

O: iliac crest, costal cartilage of lower ribs, thoracolumbar fascia

I: pubis, linea alba

gluteus maximus

O: ilium, sacrum and coccyx

I: femur

gluteus medius

O: ilium

I: Femur-greater trochanter

Tensor fasciae latae

O: Iliac crest and ASIS

I: Iliotibial tract

Adductor magnus

O: ischium, pubic ramus

I: femur - linea aspera

Adductor longus

O: inferior ramus - pubis

I: femur - linea aspera

Gracilis

O: inferior ramus - pubis

I: medial tibia

Iliacus

O: iliac fossa - ilium

I: lesser trochanter

Psoas major

O: vertebrae T12-L5

I: lesser trochanter

Sartorius

O: anterior superior iliac spine

I: tibia (medial surface)

rectus femoris

O: anterior inferior iliac spine

I: patella and tibia

vastus medialis

O: linea aspera of femur

I: patella and tibia

vastus lateralis

O: linea aspera and below the greater trochanter

I: patella and tibia

vastus intermedius

O: linea aspera of femur

I: patella and tibia

biceps femoris

O: ischial tuberosity and linea aspera of femur

I: fibula head, tibia

semitendinosus

O: ischial tuberosity

I: tibia

semimembranosus

O: ischium

I: tibia, femur

tibialis anterior

O: tibia - Lateral Condyle

I: medial cuneiform and first metatarsal

Gastrocnemius

O: femoral condyles

I: calcaneus via the calcaneal tendon

Soleus

O: fibula, tibia

I: calcaneus via the calcaneal tendon

Fibularis longus

O: fibula

I: medial cuneiform and first metatarsal