Semester 1 Finals

Fixator

Stabilizes the origin of a prime mover

Synergist

muscle that aids a prime mover in a movement and helps prevent rotation

Antagonist

muscle that opposes or reverses a prime mover

Prime Mover

muscle with major responsibility for a certain movement

Frontalis (origin)

Cranial aponeurosis

Frontalis (insertion)

Skin of eyebrow

Orbicularis Oculi (origin)

Frontal bone and maxilla

Orbicularis oculi (insertion)

Tissue of eyelids

Orbicularis Oris (origin)

Mandible and maxilla

Orbicularis Oris (insertion)

Skin and muscle around mouth

Buccinator (origin)

Maxilla and mandible near molars

Buccinator (insertion)

Orbicularis oris

Zygomaticus (origin)

zygomatic bone

Zygomaticus (insertion)

skin and muscle around the corner of lips

Masseter (origin)

Temporal bone

Masseter (insertion)

Mandible

Temporalis (origin)

Temporal bone

Temporalis (insertion)

Mandible

Platysma (origin)

Connective tissue covering the superior chest muscles

Platysma (insertion)

Tissue around mouth

Sternocleidomastoid (origin)

Sternum and clavicle

Sternocleidomastoid (insertion)

Mastoid process of temporal bone

Pectoralis major (origin)

Sternum, clavicle, and ribs

Pectoralis major (insertion)

Proximal, anterior humerus

External intercostal (origin and insertion)

Ribs

Internal intercostal (origin and insertion)

Ribs

Rectus abdominis (origin)

Pubis

Rectus abdominis (insertion)

Sternum and ribs

External and Internal obliques (origin)

Ribs

External and internal obliques (insertion)

Linea alba, iliac crest

Transverse abdominis (origin)

Iliac crest and connective tissue of the abdomen

Transverse abdominis (insertion)

Xiphoid process, linea alba, and pubis

Trapezius (origin)

Occipital bone, cervical and thoracic vertebrae

Trapezius (insertion)

Scapular spine and clavicle

Latissimus dorsi (origin)

Sacral, lumbar and lower thoracic spine, and iliac crest

Latissimus dorsi (insertion)

Proximal humerus (intertubercular groove)

Erector spinae (origin)

Iliac crest, ribs, and vertebrae

Erector spinae (insertion)

Ribs and vertebrae

Quadratus lumborum (origin)

Iliac crest, lower 3 vertebrae, lumbar fascia

Quadratus Lumborum (insertion)

Transverse processes of upper lumbar vertebrae, floating ribs

Deltoid (origin)

Scapular spine and clavicle

Deltoid (insertion)

Deltoid tuberosity

Biceps brachii (origin)

Glenoid fossa and coracoid process of scapula

Biceps brachii (insertion)

Radial tuberosity

Brachialis (origin)

Distal, anterior humerus

Brachialis (insertion)

Proximal ulna (coracoid process)

Brachioradialis (origin)

Lateral, distal humerus

Brachioradialis (insertion)

Proximal to styloid process of radius

Triceps Brachii (origin)

Proximal, posterior humerus and posterior, lateral scapula

Triceps Brachii (insertion)

Olecranon process of ulna

Flexor carpi radialis (origin)

Medial epicondyle of humerus

Flexor carpi radialis (insertion)

Base of 2nd and 3rd metacarpal

Palmaris longus (origin)

Medial epicondyle of humerus

Palmaris longus (insertion)

palmar aponeurosis

Extensor digitorum (origin)

Lateral epicondyle of humerus

Extensor digitorum (insertion)

Distal phalanges of 2nd and 5th fingers

Gluteus maximus (origin)

Sacrum and ilium

Gluteus maximus (insertion)

Proximal, posterior femur and iliotibial tract

Gluteus medius (origin)

Lateral surface of ilium

Gluteus medius (insertion)

Greater trochanter of femur

Iliopsoas (origin)

Ilium and lumbar vertebrae

Iliopsoas (insertion)

Lesser trochanter

Adductor magnus (origin)

Ischium and pubis

Adductor magnus (insertion)

Linea aspera and medial epicondyle of femur

Biceps femoris (origin)

Ischium (ischial tuberosity) and linea aspera of femur

Biceps femoris (insertion)

Head of fibula and lateral epicondyle of tibia

Semitendinosus (origin)

Ischial tuberosity

Semitendinosus (insertion)

Proximal, medial tibia

Semimembranosus (origin)

Ischial tuberosity

Semimembranosus (insertion)

Proximal,medial tibia

Sartorius (origin)

Anterior superior iliac crest

Sartorius (insertion)

Proximal, medial tibia

Rectus femoris (origin)

Anterior pelvis (anterior iliac spine)

Rectus femoris (insertion)

Tibial tuberosity via patellar tendon

Vastus medialis (origin)

Proximal, anterior femur

Vastus medialis (insertion)

Tibial tuberosity via patellar tendon

Vastus lateralis (origin)

Proximal, anterior femur

Vastus lateralis (insertion)

Tibial tuberosity via patellar tendon

Vastus intermedius (origin)

Proximal, anterior femur

Vastus intermedius (insertion)

Tibial tuberosity via patellar tendon

Tibialis anterior (origin)

proximal, anterior tibia

Tibialis anterior (insertion)

Tarsal and 1st metatarsal (inferior side)

Extensor digitorum longus (origin)

Proximal tibia and fibula

Extensor digitorum longus (insertion)

Distal toes 2-5

Fibularis longus (origin)

Proximal, lateral fibula

Fibularis longus (insertion)

1st metatarsal of the foot (inferior side)

Gastrocnemius (origin)

Medial and lateral epicondyle of femur

Gastrocnemius (insertion)

Posterior calcaneus

Soleus (origin)

Posterior tibia and fibula

Soleus (insertion)

Posterior calcaneus

Prime Mover

muscle with major responsibility for a certain movement

Antagonist

muscle that opposes or reverses a prime mover

Synergist

muscle that aids a prime mover in a movement and helps prevent rotation

Fixator

Stabilizes the origin of a prime mover

Frontalis

Facial muscle that raises eye brows

Orbicularis oculi

Facial muscle that closes eyes, squints, blinks, and winks

Orbicularis oris

Facial muscle that closes mouth and protrudes the lips

Buccinator

Facial muscle that flattens the cheek, helps with chewing

Zygomaticus

raises the corners of the mouth (smile muscle)

Masseter

Facial muscle that closes jaw and elevates