Unit 6 Anatomy - Muscles

Where is the obicularis Oris located

surrounds the mouth

Where is the obicularis oculi located

surrounds the eye

Where is the Frontalis located

forehead

Where is the Temporalis located

temporal bone to the mandible

Where is the Masseter located

spans from cheekbone to the mandible

Where is the zygomaticus located

Cheek

Where is the sternocleidomastoid located

lateral neck

Where is the Pectoralis major located

upper chest/thorax

Where is the deltoid located

Shoulder

Where is the bicep brachii located

anterior humerous

contains 2 heads (origins) and 1 insertion

Where is the external oblique located

lateral abdomen

most superficial muscle of abdomen muscles

Where is the rectus abdominis located

anterior abdomen

Where is the transverse abdominus located

lateral hip

Where is the sartorius located

extends from lateral hip to medial thigh

Where is the iliopsoas located

medial hip

Where is the adductor group located

medial thigh/groin

Where is the abductor group located

lateral thigh/hip

Where is the rectus femoris located

thigh/femur

most superficial

Where is the vastus lateralis located

lateral femur

Where is the vastus medialis located

medial femur

Where is the vastus intermedius located

deep to the rectus femoris

Where is the fibularis Longus located

lateral fibula (lower leg)

Where is the tibialis anterior located

anterior tibia (shin)

Where is the trapezius located

upper back and neck

Where is the rear deltoid located

posterior shoulder

Where is the latissimus dorsi located

lower back (V-shape)

Where is the triceps brachii located

posterior humerous

Where is the gluteus maximus located

buttocks

Where is the gluteus medius located

deep to the gluteus maximus, superior hip

Where is the biceps femoris located

posterior femur

Where is the semitendinosus located

posterior femur

Where is the semimembranosus located

posterior thigh/femur

Where is the gastrocnemius located

calf

What is the function of orbicularis oris

closes the mouth and protrudes the lips

What is the function of orbicularis oculi

blinks and closes eye

What is the function of frontalis

raises the eyebrows

What is the function of temporalis

closes jaw

What is the function of masseter

closes jaw

What is the function of zygomaticus

raises corner of the mouth

What is the function of sternocleidomastoid

inferiorly flexes neck

laterally rotates head

What is the function of pectoralis major

adducts and flexes humerous “Push”

What is the function of deltoid

abducts the arm (raising the arm)

What is the function of biceps brachii

flexes the elbow and supinates forearm

What is the function of external oblique

flexes and rotates the torso

What is the function of rectus abdominis

flexes the torso

What is the function of transverse abdominus

compresses the abdomen

What is the function of sartorius

flexes thigh on hip

crosses the leg

What is the function of iliopsoas

flexes hip

adducts the leg

What is the function of adductor group

adducts the leg

flexes hip

What is the function of abductor group

abducts the leg

lateral raise of the leg

What is the function of rectus femoris

extend the knee

flexes thigh at the hip

What is the function of vastus lateralis

extends the knee

What is the function of vastus medialis

extends the knee

What is the function of vastus intermedius

extends the knee

What is the function of fibularis longus

plantar flex and evert foot

What is the function of tibialis anterior

dorsiflexes

What is the function of trapezius

extends the head (look up)

adducts the shoulders (shrugs)

What is the function of rear deltoid

posterior abduction of the arm

What is the function of latissimus dorsi

adducts the arm (pull-up)

What is the function of triceps brachii

extends elbow

What is the function of gluteus maximus

extends hip

walking/climbing steps

What is the function of gluteus medius

posterior thigh abduction (donkey kick)

What is the function of biceps femoris

flex knee and extend hip

What is the function of semitendinosus

flex knee and extend hip

What is the function of semimembranosus

flex knee and extend hip

What is the function of gastrocnemius

plantar flexion of foot (tippy-toes)