Muscle OIA Flashcards
Frontalis
O:
I:
A:
O: Epicranial aponeurosis (forehead)
I:Skin of forehead (across eyebrows)
A:Furrow brow
Occipitalis
O:
I:
A:
O:Superior nuchal line of occipital (back of head)
I:Epicranial aponeurosis
A:Unfurrow brow
Orbicularis oculi
O:
I:
A:
O:Medial orbital margin
I:eyelids
A:close eyelids
Orbicularis oris
O:
I:
A:
O:surrounding lips
I:Lips at corner of mouth
A:Close lips
Depressor anguli oris
O:
I:
A:
O:Body of mandible
I:Lips corner of mouth
A:Frowning
Depressor labii inferioris "Medial to depressor anguli oris" O: I: A:
O:Body of mandible
I:lower lip
A:depress lip
Levator labii superioris " muscle runs down the side of the nose" O: I: A:
O:Maxilla (infraorbital margin)
I:upper lip
A:Elevates upper lip
Zygomaticus Major (muscle is beneath zygomaticus minor) O: I: A:
O:Temporal process of zygomaitc bone (zygomatic arch)
I:Lips at corner of mouth
A:Smilling
Zygomaticus minor (superior to zygomaticus major) O: I: A:
O:Zygomatic bone (medial to major)
I:Lips at corner of mouth
A:Smiling
Buccinator (underneath Zygomaticus major) O: I: A:
O:Mailla and mandible
I:orbicularis oris
A:compress cheeks
ex;playing trumpet
Inferior rectus (looking down) O: I: A:
O; Spheroid bone around optic canal
I:inferior, medial surface of eye
A:eye looks down
Medial rectus (looking at closer objects) O: I: A:
O:sphenoid bone around optic canal
I:Medial surface of eyeball
A: eye rotates medially
Superior rectus (looking up) O: I: A:
O:Sphenoid bone around optic canal
I:Superior surface of eyeball
A:eye looks up
Lateral rectus (moves eye laterally) O: I: A:
O: Sphenoid bone around optic canal
I:Lateral surface of the eyeball
A:eye rotates laterally
Inferior oblique (underneath Inferior rectus) O: I: A:
O:Maxillary bone at anterior portion of orbit
I:Inferior, lateral surface of eyeball
A:eye rolls, looks up and the to the side
Superior oblique (Superior to superior rectus) O: I: A:
O:Sphenoid bone around optic canal
I:Superior, lateral surface of eyeball
A:Eye rolls, looks down and to the side
Masseter (Chewing muscles) O: I: A:
O: Zygomatic arch (temporal process of zygomatic bone and zygomatic process of temporal bone)
I:Ramus of mandible
A:Elevate mandible (Close jaw)
Temporalis
O:
I:
A:
O:Temporal bone
I: Coronoid process of mandible
A:Elevate mandible
Lateral pterygoid
-deep to masster ( has opposite action of the masseter, temporalis and medial pterygoid.
O:Pterygoid process of sphenoid bone
I: Mandible
A:Depress mandible
Medial pterygoid
O:
I:
A:
O:Pterygoid process of sphenoid bone
I: Mandible
A: Elevate Mandible
Genioglossus
O:
I:
A:
O:Body of mandible
I:Tongue
A:protract tongue (stinking tongue out)
Hyoglossus
O:
I:
A:
O:Hyoid
I:Tongue
A:Depress tongue
Styloglossus
O:
I:
A:
O:Styloid process of temporal
I:Tongue
A:Retract tongue
Sternocleidomastoid
O: has two heads
I:
A:
O: Sternal head: Manubrium
Clavicular head: Sternal end of clavicle
I: Mastoid process
A:Rotate or flex head and neck
Omohyoid
O:
I:
A:
O:Superior of scapula and clavicle
I:Hyoid
A:Depress hyoid and larynx
Diagastric
O:(has two heads)
I:
A:
O:Superior (posterior) belly
Inferior (anterior) belly
I:Hyoid
A: Depress mandible, elevate s hyoid
Sternohyoid
O:
I:
A:
O:Manubrium
I:hyoid
A:Depress hyoid and larynx
Sternothyroid
O:
I:
A:
O:Manubrium
I:Thyroid cartilage of larynx
A:depress hyoid and larynx
Stylohyoid
O:
I:
A:
O:Styloid process of temporal
I:Hyoid
A:Elevate hyoid and larynx
Spelnius capitis
O:
I:
A:
O:Cervical & thoracic spinous process
I:Mastoid process of temporal nuchal lines of occipital
A:Extend neck
Scalenes (anterior to spelnius capitis) O: I: A:
O:cervical transverse process
I:ribs 1&2
A:elevate ribs “pull ribs up when breathing”
Diaphragm
O:
I:
A:
O:Xiphoid, ribs, & lumbar vertebrae
I:Central tendon at the inferior boundary of the thoracic cavity
A:Expand thoracic cavity
External intercostals
O:
I:
A:
O: Inferior border of ribs
I:Superior border of ribs
A:Elevate ribs( opposite action interal intercostals)
Internal intercostals (deeper to External intercostals) O: I: A:
O:Superior border of ribs
I:Inferior border of ribs
A:Depress ribs( opposite action than external intercostals)
Rectus abdominis( our 6 packs ;) )
O:
I:
A:
O:pubic symphysis
I:xiphoid and costal cartilages
A:Flex vertebral column (situp)
External abdominal oblique (On top of the internal abdominal oblique muscle) O: I: A:
O:Ribs 5-12
I: Iliac crest and linea alba
A:Flex,rotate vertebral column
Internal abdominal oblique (Underneath of the External abdominal oblique muscle) O: I: A:
O:Iliac crest and thoracolumbar fascia
I:Costal cartilages and linea alba
A:Flex, rotate vertebral column
Transversus abdominis (located underneath the obliques) O: I: A:
O:Ribs 7-12, iliac crest, thoracic and lumbar spinous process
I:Linea alba and pubis
A:Compress abdomen
Rhomboidius minor (superior to the Rhomboidius Major) O: I: A:
O: Spinous process of C7-T1
I: Medial border of the scapula
A: Rotate scapula
Rhomboidius major
O:
I:
A:
O:Spinous processes of T2- T5
I:Medial border of scapula
A:Rotate Scapula
Pectoralis minor
O:
I:
A:
O:Ribs 2-5
I: Coracoid process of scapula
A: Rotate scapula
Trapezius
O:
I:
A:
O: External occipital protuberance, spinous processes of C1-T12
I:Scapular spine, acromion, clavicle
A:Elevates pectoral girdle
Serratus anterior
O:
I:
A:
O:Ribs
I:Medial border of scapula
A: protract scapula
Pectoralis major
O:
I:
A:
O:Clavicle and strenum
I:Greater tubercle of humerus
A: Adduct and flex shoulder
Latissimus dorsi
O:
I:
A:
O:Thoracic and lumbar spinous processes
I:Intertubercular sulcus of humerus
A: adduct and extend the shoulder
Supraspinatus
O:
I:
A:
O:Supraspinous fossa of scapula
I: Greater tubercle of humerus
A:Abduct shoulder
Infraspinatus
O:
I:
A:
O: Infraspinous fossa of scapula
I: Greater tubercle of the humerus
A: Extend and adduct the shoulder
Teres minor (below Infraspinatus) O: I: A:
O:lateral border of scapula
I: greater tubercle of humerus
A: Lateral rotate SHOULDER
Teres major (below teres minor) O: I: A:
O:Inferior angle of scapula
I:Lesser tubercle of humerus
A:Medial rotate shoulder
Subscapularis
O:
I:
A:
O: Subscapular fossa
I:Lesser tubercle of humerus
A:Medial rotate shoulder
Deltoid
O:
I:
A:
O:Scapular spine, acromion, and clavicle
I:Deltoid tuberosity
A:Abduct shoulder, Flex and extends the shoulder
Coracobrachialis
O:
I:
A:
O:Coracoid process
I:Medial diaphysis of humerus
A: adduct or flex shoulder
Biceps brachii
O: Two heads
I:
A:
O: Long head: supraglenoid tubercle (above glenoid cavity)
Short head: coracoid process of the scapula
I: Radial tuberosity
A:Flex elbow, supination
Brachialis
O:
I:
A:
O: Anterior diaphysis of humerus
I:Ulnar tuberosity & coronoid p.
A:Flex elbow
Triceps brachii
O: Three heads
I:
A:
O: Lateral and medial heads: posterior diaphysis of humerus
Long head: Infraglenoid tubercle (below glenoid cavity)
I:Olecranon process of ulna
A: Extend elbow
Anconeus
O:
I:
A:
O: Lateral epicondyle of humerus
I:Olecranon process of ulna
A: Extend elbow
Brachioradialis
O:
I:
A:
O: Lateral supracondylar ridge of the humerus (above lateral epicondyle)
I:Styloid process of radius
A: Flex elbow
Supinator
O:
I:
A:
O: Lateral epicondyle of humerus
I: Radius
A: Supination
Pronator teres
O:
I:
A:
O: Medial epicondyle of humerus
I: Radius
A:Pronation
Pronator quadratus
O:
I:
A:
O: Distal ulna
I: Distal radius
A: Pronation
Flexor carpi radialis
O:
I:
A:
O:Medial epicondyle of humerus
I:Metacarpals 2-3
A:Flex wrist
Palmaris longus
O:
I:
A:
O: Medial epicondyle of humerus
I: Palmar aponeurosis
A:Flex wrist
Flexor carpi ulnaris
O:
I:
A:
O:Medial epicondyle of humerus
I: Metacarpal 5, hamate, and pisiform
A:Flex wrist
Flexor digitorum superficials
O:
I:
A:
O:Medial epicondyle of humerus
I: Middle phalanges 2-5
A:Flex digits
Flexor digitorum profundus
O:
I:
A:
O:Coronoid process of ulna
I:Distal phalanges 2-5
A:Flex digits
Flexor pollicis longus
O:
I:
A:
O:Anterior diaphysis of radius
I:Distal phalanx 1
A: Flex pollex
Extensor carpi radialis longus
O:
I:
A:
O: Lateral supracondylar ridge of humerus
I:metacarpal 2
A: Extend wrist
Extensor carpi radialis brevis
O:
I:
A:
O: Lateral epicondyle of humerus
I: metacarpal 3
A: Extend wrist
Extensor digitorum
O:
I:
A:
O:Lateral epicondyle of humerus
I:Distal phalanges 2-5
A: Extend digits
Extensor carpi ulnaris
O:
I:
A:
O: Lateral epicondyle of humerus
I:Metacarpal 5
A:Extend wrist
Extensor digiti minimi
O:
I:
A:
O: Lateral epicondyle of humerus
I: proximal phalanx 5
A: Extend 5th digit
Extensor pollicis longus
O:
I:
A:
O:Lateral surface of diaphysis of ulna
I:Distal phalanx 1
A:Extend pollex
Extensor pollicis brevis
O:
I:
A:
O:Distal radius
I:Proximal phalanx 1
A: Extend pollex
Abductor pollicis longus
O:
I:
A:
O: Proximal diaphyses of ulna and radius
I:Metacarpal 1
A: Abduct pollex
Gluteus maximus
O:
I:
A:
O: Posterior ilium, sacrum, and coccyx
I:Gluteal tuberosity of femur
A:Extend hip
Gluteus medius
O:
I:
A:
O: Iliac crest
I: Greater trochanter of femur
A:Abduct
Tensor fascia lata
O:
I:
A:
O:Iliac crest
I: Iliotibial tract
A: Abduct hip
Pisiformis
O:
I:
A:
O: Sacrum
I:Greater trochanter of femur
A: Later rotate
Psoas major
O:
I:
A:
O: Lumbar vertebrae
I:Lesser trochanter of femur
A:Flex hip
Iliacus
O:
I:
A:
O: Iliac fossa
I: Lesser trochanter of femur
A:Flex hip
Gracilis
O:
I:
A:
O:Inferior pubic ramus
I:Medial proximal tibial epiphysis
A:Adduct hip
Adductor Magnus
O:
I:
A:
O:Ischial tuberosity
I:Linea aspera of femur
A: Adduct hip
Adductor longus
O:
I:
A:
O:Inferior pubic ramus
I:linea aspera of femur
A: adduct hip
Sartorius
O:
I:
A:
O: Anterior superior iliac spine
I:Medial proximal tibial epiphysis
A:Abduct, flex
Rectus femoris
O:
I:
A:
O:Anterior inferior iliac spine
I:Tibial tuberosity
A: Extend knee
Vastus intermedius
O:
I:
A:
O: Anterior diaphysis of femur
I: Tibial tuberosity
A:Extend knee
Vastus Lateralis
O:
I:
A:
O: Linea aspera
I:Tibial tuberosity
A:Extend knee
Vastus medialis
O:
I:
A:
O: Linea aspera
I:Tibial tuberosity
A:Extend knee
Biceps femoris
O: two heads
I:
A:
O: Long head:Ischial tuberosity
Short head: Linea aspera
I: Head of fibula and lateral surface of proximal tibial epiphysis
A:Flex knee
Semitendinosus
O:
I:
A:
O: Ischial tuberosity
I: Medial proximal tibial epiphysis
A: Flex knee
Semimembranosus
O:
I:
A:
O: Ischial tuberosity
I: Medial proximal tibial epiphysis
A: Flex knee
Tibialis anterior
O:
I:
A:
O: Lateral condyle of tibia
I: Metatarsal 1
A:Dorsiflexion
Extensor digitorum longus
O:
I:
A:
O: Lateral condyle of tibia
I:Phalanges 2-5
A: Extend digits
Extensor hallucis longus
O:
I:
A:
O: Anterior diaphysis of fibula
I:Distal phalanx 1
A:Extend hallux
Gastrocnemius
O:
I:
A:
O:Femoral condyles
I:Calcaneus
A: Plantarflexion
Soleus
O:
I:
A:
O:Posterior of tibia and fibula
I:Calcaneus
A:Plantarflexion
Plantaris
O:
I:
A:
O: Lateral supracondylar ridge of femur
I:Calcaneus
A: Plantarflexion
Flexor digitorum longus
O:
I:
A:
O:Posterior diaphysis of tibia
I:Distal phalanges 2-5
A:Flex digits
Flexor hallucis longus
O:
I:
A:
O:Posterior diaphysis of fibula
I:Distal phalanx 1
A: Flex hallux
Fibularis Longus
O:
I:
A:
O: Head of fibula
I: Metarsal 1
A: Plantarflexion