Lab Exam #2

Biceps Brachii

What is the origin of the biceps brachii?

long head: glenoid cavity
short head: coracoid process of scapula

What is the insertion of the biceps brachii?

radial tuberosity

What is the action of the biceps brachii?

Flexes and supinates forearm

Brachialis

Brachioradialis

Triceps brachii

What is the origin of the triceps brachii?

long head: scapula
lateral head and medial shaft: humerus

What is the insertion of the triceps brachii?

olecranonof ulna

What is the action of the triceps brachii?

extension of elbow

Pronator teres

Upper limb region

Flexor carpi radialis

What is the origin of the flexor carpi radials?

medial epicondyle of humerus

What is the insertion of the flexor carpi radialis?

Base of second and third metacarpals

What is the action of the flexor carpi radialis?

Abducts hand

Palmaris longus

flexor carpi ulnaris

extensor carpi radialis longus

What is the origin of the extensor carpi radialis longus?

lateral supracondylar ridge of the humerus

What is the insertion of extensor carpi radialis longus?

base of second metacarpal

What is the action of extensor carpi radialis longus?

extends and abducts hand

Extensor carpi radialis brevis

Extensor digitorum

Extensor carpi ulnaris

gluteus maximus

Tensor fasciae latae

Adductor magnus

Gracilis

Sartorius

quadriceps femoris

Rectus femoris

What is the origin of the rectus femoris?

anterior inferior iliac spine and acetabulum

What is the insertion of the rectus femoris?

patella and tibial tuberosity

What is the action of the rectus femoris?

extends leg and flexes thigh

Vastus lateralis

What is the origin of the vastus lateralis?

greater trochanter

What is the insertion of the vastus lateralis?

patella and tibial tuberosity

What is the action of the vastus lateralis?

extend the leg and stabilize knee

vastus medialis

What is the origin of the vastus medialis?

greater trochanter

What is the insertion of the vastus medialis?

patella and tibial tuberosity

What is the action of the vastus medialis?

extends leg

vastus intermedius

What is the origin of the vastus intermedius?

anterior and lateral surfaces of proximal femur shaft

What is the insertion of the vastus intermedius?

patella and tibial tuberosity

What is the action of the vastus intermedius?

extends leg

Biceps femoris

What is the origin of the biceps femoris?

long head: ischial tuberosity
short head: distal femur

What is the insertion of the biceps femoris?

head of fibula and lateral condyle of tibia

What is the action of the biceps femoris?

extends thigh and flexes leg

Semitendinosus

What is the origin of the semitendinosus?

ischial tuberosity

What is the insertion of the semitendinosus?

medial upper tibial shaft

What is the action of semitendinosus?

extends thigh and flexes leg

Semimembranosus

What is the origin of the semimembranosus?

ischial tuberosity

What is the insertion of the semimembranosus?

medial condyle of tibia

What is the action of the semimembranosus?

extends thigh and flexes leg

Tibialis anterior

What is the origin of the tibialis anterior?

lateral condyle and upper tibial shaft

What is the insertion of the tibialis anterior?

medial cuneiform and 1st metatarsal

What is the action of the tibialis anterior?

dorsiflexion

extensor digitorum longus

Gastrocnemius

What is the origin of the gastrocnemius?

medial and lateral condyles of femur

What is the insertion of the gastrocnemius?

calcaneus

What is the action of the gastrocnemius?

plantarflexion

Soleus

Fibularis longus

Neuroglia

Cell body

Nucleus

dendrites

axon

axon hillock

schwann cell

myelin sheath gap

myelin sheath

axon terminals

medulla oblongata

pons

midbrain

Folia/cerebellar cortex

arbor vitae

thalamus

Hypothalamus

pituitary gland

infundibulum

mamillary body

pineal gland

central sulcus

frontal lobe

occipital lobe

parietal lobe

temporal lobe

transverse cerebral fissure

lateral sulcus

longitudinal fissure

precentral gyrus