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66 Cards in this Set

  • Front
  • Back

Orbicularis Oculi


Action: Closes eye


Origin: Frontal bone


Insertion: Skin of eyelids & surrounding skin

Orbicularis Oris


Action: Closes & protrudes lips


Origin:


-maxilla


-mandible


Insertion: circumference of mouth

Frontalis


Action: draws back scalp to raise & wrinkle eyebrows


Origin: galea aponeurosis


Insertion: skin above eyes & nose

Masseter


Action: clenches teeth


Origin: zygomatic process


Insertion: mandible

Temporalis


Action: elevates & retracts mandible


Origin: temporal bone


Insertion: mandible

Occipitalis


Action: draws back scalp


Origin: occipital bone


Insertion: galea aponeurosis

Sternocleidomastoid


Action:


-laterally flexes neck


-rotates head


Origin:


-manubrium (sternum)


-clavicle


Insertion: temporal bone

Scalene Group


Action:


-Elevates ribs for respiration


-Rotates head


-Laterally flexes neck


Origin: cervical vertebrae


Insertion: 1st & 2nd ribs

Transverse Abdominus


Action: compresses abdomen


Origin:


• Iliac crest


• Inguinal ligament


• Last 6 ribs


Insertion:


• Linea alba


• Pubic crest

Sheath of Rectus Abdominus


Action: Flexion & lateral rotation of lumbar region


Origin: Pubic crest


Insertion: Xyphoid process

Internal Obliques


Action:


• Lateral torso flexion


• Rotation of spine


Origin:


• Iliac crest


• Lumbar Fascia


Insertion:


•Ribs

External Oblique


Action:


• Lateral torso flexion


• Rotation of spine


Origin: Lower 8 ribs


Insertion:


• Pubic crest


• linea alba

Trapezius


Action: Raises, retracts, and adducts scapula


Origin:


• Occipital bone


• Thoracic vertebrae


Insertion:


• Scapular spine


• AC joint

RhomboidMajor & Minor


Action: Retract scapula


Origin: C7-T15


Insertion: medial border of scapula

Levator Scapulae


Action: Elevates & adducts scapula


Origin: cervical vertebrae


Insertion: Medial border of scapula

Serratus Anterior


Action: Holds scapula against chest wall


Origin: Muscle of ribs 1-9


Insertion: scapula

Supraspinatus


Action:


• abducts humerus


• stabilizes shoulder joint


Origin: scapula


Insertion: greater tubercle of humerus

Infraspinatus


Action:


• stabilizes shoulder


• rotates humerus


Origin: scapula


Insertion: greater tubercle of humerus

Teres Minor


Action:


• stablilizes shoulder


• rotates humerus


Origin: lateral border of scapula


Insertion: greater tubercle of humerus

Subscapularis


Action: medial rotation of scapula


Origin: scapula


Insertion: lesser tubercle of humerus

Latissimus Dorsi


Action: adducts humerus


Origin:


• lumbar fascia


• ribs


• iliac crest


Insertion: lesser tubercle of humerus

Erector Spinae


Action: extends vertebral column


Origin: lumbar vertebrae


Insertion: Cervical & thoracic vertebrae

Quadratus Lumborum

Action: Lateral flexion of torso


Origin:


• Iliac crest


• Lumbar fascia


Insertion:


• Lumbar vertebrae


• T12 rib

Pectoralis Major


Action:


• Adducts humerous


• Medially rotates humerus


• Flexion of arm


Origin:


• Clavicle


• Sternum


Insertion: Greater tubercle of humerus

Pectoralis Minor


Action: Protracts scapula


Origin: Ribs 3-5


Insertion: coracoid process of scapula

Teres Major


Action: Medially rotates arm


Origin: Scapula


Insertion: Humerus

Coracobrachialis


Action: flexes arm at glenohumeral joint


Origin: coracoid process


Insertion: humerus

Biceps Brachii


Action: flexes elbow joint


Origin:


• coracoid process of scapula


• intertubercular groove of humerus


Insertion: radial tuberosity

Brachialis *synergist


Action: flexes elbow


Origin: humerus


Insertion: ulna

(Anterior view)

Brachioradialis

Action: flexes elbow


Origin: humerus


Insertion: styloid process of radius

Triceps Brachii

Action: extends elbow


Origin:


• scapula


• humerus


Insertion: olecranon (ulna)

(posterior view)

(posterior view)

Anconeus


Action:


• aids in pronation


• helps to extend elbow


Origin: humerus (distal)


Insertion: olecranon (ulna)

(anterior view)

FlexorCarpi Radialis


Action:


• flexes wrist


• abducts hand


Origin: medial epicondyle (humerus)


Insertion: metacarpals 2,3

(anterior view)

Flexor Carpi Ulnaris


Action:


• Flexes wrist


• Adducts hand


Origin: Medial epicondyle


Insertion:


• Pisiform carpal


• Hamate carpal


• Base of 5th metacarpal

(anterior view)

Palmaris Longus

Action: flexes wrist


Origin: medial epicondyle


Insertion:


• Flexor retinaculum (wrist; fibrous band)


• Palmar aponeurosis (fascia)

(posterior view)

Extensor Carpi Ulnaris


Action:


• Extends wrist


• Adducts hand


Origin: Lateral epicondyle


Insertion: 5th metacarpal

(posterior view)

Extensor Carpi Radialis Longus


Action:


• Extends wrist


• Abducts hand


Origin: humerus


Insertion: 2nd metacarpal

(posterior view)

Extensor Carpi Radialis Brevis


Action:


• Extends wrist


• Abducts hand


Origin: lateral epicondyle


Insertion: 3rd metacarpal

(posterior view)

Extensor Digitorum


Action:


• Extends digits 2-5


• Abducts digits


Origin: Lateral epicondyle


Insertion:


• Middle phalynx (central band)


• Distal phalynx (via 4 tendons)

Semimembranosus


Action: flexes knee


Origin: ischial tuberosity


Insertion: medial tibia

Semitendonosis


Action: flexes knee


Origin: ischial tuberosity


Insertion: medial tibia

Biceps Femoris


Action: flexes knee


Origin:


• Ischial tuberosity (long)


• Linea aspera (short)


Insertion: fibula

Rectus Femoris


Action:


• extends knee


• flexes hip


Origin:


• inferior iliac spine


• ilium (above acetabulum)


Insertion: tibial tuberosity

Vastus Lateralis


Action: vastus lateralis


Origin:


• Greater trochanter


• Linea aspera


Insertion: Tibial tuberosity via patellar tendon

Vastus Medialis


Action: extends knee


Origin: medial aspect of linea aspera


Insertion: tibial tuberosity via patellar tendon

Vastus Intermedius


Action: extends knee


Origin: linea aspera


Insertion: tibial tuberosity via patellar tendon

Iliopsoas


Action:


• Hip flexion


• Lateral rotation


Origin:


• Lumbar vertebrae


• Iliac crest


Insertion: lesser trochanter (femur)

Sartorius

Action:


• Hip flexion


• Lateral rotation


Origin: iliac spine


Insertion: proximal aspect of tibia

Pectineus


Action:


• Adducts femur


• Flexes hip


Origin: pubis


Insertion: linea aspera

Adductor Brevis


Action:


• Adducts femur


• Flexes hip


Origin: pubis


Insertion: linea aspera



Adductor Longus


Action:


• Adducts femur


• Flexes hip


Origin: pubis


Insertion: linea aspera

Adductor Magnus


Action: adducts femur


Origin: Ischial tuberosity


Insertion: linea aspera

Gracilis


Action:


• Adducts femur


• Flexes knee


• Medially rotates femur


Origin: pubis


Insertion: proximal Tibia

Tibialis Anterior


Action:


• Dorsiflexion


• Inverts foot


• Adducts foot


Origin: tibia


Insertion:


• 1st metatarsal


• Cuneiform

Tibialis Posterior


Action:


• Inversion & adduction of foot


• Weak plantarflexion


Origin:


• Tibia


• Fibula


Insertion:


• Tarsals


• Metatarsals 2-4

Fibularis Longus


Action:


• Plantar flexion


• Eversion


Origin: Fibula


Insertion:


• Cuneiform tarsal


• 1st metatarsal

Fibularis Brevis


Action:


• Plantar flexion


• Eversion


Origin: Fibula


Insertion: 5th metatarsal

Popliteus


Action:


• Medial/laterally rotates femur on tibia


• Unlocks knee


Origin: lateral femoral condyle


Insertion: posterior Tibia

Plantaris (deepest)


Action:


• (weak gastroc)


• Plantar flexion


• Knee flexion


Origin: femur


Insertion: Calcaneus tarsal

Soleus (intermediate depth)


Action: plantar flexion


Origin:


• Fibula


• Tibia


Insertion: Calcaneus tarsal

Gastrocnemius (most superficial)


Action:


• Plantar flexion


• Knee flexion


Origin:


• Medial condyle


• Lateral condyle


Insertion: Calcaneus tarsal

Gluteus Maximus


Action: extends hip


Origin:


• ilium


• sacrum


• coccyx


Insertion: femur

Gluteus Medius


Action: abducts femur


Origin: Iliac crest


Insertion: greater trochanter

Gluteus Minimus


Action: abducts femur


Origin: Ilium


Insertion: greater trochanter

(green)

(green)

Piriformis


Action: extends hip


Origin: Sacrum


Insertion: greater trochanter

Tensor Fascia Latae


Action:


-hip flexion


-abducts femur


Origin: ilium


Insertion: Iliotibial band