Flashcards
Origin, Insertion, Movement
Epicranium (Frontal Belly)
Epicranial aponeurosis>Eyebrow skin + nose Bridge
Raising Eyebrows, Wrinkle Forehead
Origin, Insertion, Movement
Epicranium (Occipital Belly)
Occipital (Superior Nuchal Line) and temporal bones>Epicranial aponeurosis
Pulls Scalp Posteriorly
Origin, Insertion, Movement
Orbicularis Oculi
Frontal and maxillary bones>Eyelid
Closes Eyes
Origin, Insertion, Movement
Levator Labii Superioris
Zygomatic bone and infraorbital margin of maxilla>upper lip/nostril (Superior one that elevates lip)
Raises/Furrows Upper Lips (Duck Face Muscle)
Origin, Insertion, Movement
Zygomaticus Major/Minor (Which is which?)
Zygomatic bone–> Corner of mouth (Minor is to medial lip, major is lateral. Minor is also superior)
(Raises lateral corners of mouth for smiling, synergist with risorius?)
Origin, Insertion, Movement
Risorius
Fascia of Masseter–>Side of Mouth
Puls corners of lips laterally (Zygomatic Synergistic)
Origin, Insertion, Movement
Orbicularis Oris
Maxilla and Mandible> Lateral Mouth Angle
Closes lips, Purses and protrudes lips (Mackin + Whistling)
Origin, Insertion, Movement
Buccinator
Molar region of maxilla and mandible-> Orbicularis Oris (Deep Cheek Muscle)
Compresses Cheek, Holds food for chewing, Draw corner of mouth laterally
Origin, Insertion, Movement
Masseter Muscles
Zygomatic arch and Maxilla>Angle and ramus of mandible
Closes Jaw
Origin, Insertion, Movement
Temporalis Muscles
Temporal fossa>Coronoid process of mandible
Closes and retracts the jaw
Origin, Insertion, Movement
Medial Pterygoid (Synergist to what?)
Maxillary, Palatine, Sphenoid Bones > Medial surface of mandible (M(axilla)edial P(alatine)tery(sphen)oid)
Elevates Mandible, Grinds Teeth
Synergist of temporalis and masseter
Origin, Insertion, Movement
Lateral Pterygoid
Greater Wing of Sphenoid>Mandibular Condyle
Protracts Jaw, Grinds Teeth
Origin, Insertion, Movement
Genioglossus
Internal Surface of Mandible (Chin)> Inferior aspect of tongue, body of Hyoid Bone
Protracts Tongue (Big ol tongue muscle)
Origin, Insertion, Movement
Hyoglossus
Body + Greater Horn of Hyoid Bone > Inferolateral tongue
Depresses Tongue
Origin, Insertion, Movement
Styloglossus
Styloid Process of Temporal Bone > Inferolateral Tongue
Retracts and elevates tongue (Towards the styloid process)
Origin, Insertion, Movement
Extrinsic Eye Muscles
Bony Orbit > Sclera of Eye
in=medial; out=lateral
Superior Rectus > Up and In
Inferior Rectus > Down and In
Lateral Rectus > Out
Medial Rectus > In
Inferior Oblique Muscles > Up and Out (Below Eye, attaches going medial)
Superior Oblique Muscles > Down and Out (>Trochlea > Posterosuperior eye attaches going lateral))
Notsureifsrs OBLIQUE MOVEMENT???
Origin, Insertion, Movement
Digastric (two parts)
Lower Margin of Mandible (Anterior Belly) and Mastoid Process of Temporal Bone (Posterior Belly) > Hyoid Bone (Loops Around It)
Elevates Hyoid Bone, Opens mouth and depress mandible.
Origin, Insertion, Movement
Stylohyoid
Styloid Process of Temporal Bone > Hyoid Bone
Elevates and retracts hyoid bone
Origin, Insertion, Movement
Mylohyoid
Medial Surface of Mandible> Hyoid Bone
Elevates hyoid bone + Tongue base during swallowing
Origin, Insertion, Movement
Geniohyoid
Inner Surface of Mandible > Hyoid Bone(Between Genioglossus and Mylohyoid)
Pulls hyoid bone superiorly and anteriorly
Origin, Insertion, Movement
Sternohyoid
Manubrium and medial end of clavicle > Hyoid Bone
Depresses Larynx and Hyoid Bone
Origin, Insertion, Movement
Sternothyroid
Manubrium > Thyroid Cartilage of Larynx (Inf. to Thyohyoid)
Depressed Larynx and Hyoid Bone
Origin, Insertion, Movement
Omohyoid (Two Bellies)
Superior Border of Scapula > Hyoid Bone (More Like Scapula > Inf. Belly > Sup Belly > Hyoid)
Depresses larynx and Hyoid Bone
Origin, Insertion, Movement
Thyrohyoid
Thyroid Cartilage > Hyoid Bone
Depresses Hyoid Bone, or elevates larynx if Hyoid is fixed
Origin, Insertion, Movement
Sternocleidomastoid
Manubrium of Sternum (Sternal Head), Medial aspect of Clavicle (Clavicular Head) > Mastoid process of Temporal Bone + Superior Nuchal Line of Occipital Bone
Simultaneous contraction=neck flexion
Independent: Rotate head towards opposite shoulder
Origin, Insertion, Movement
Anterior, Posterior, Middle Scalene
Transverse Processes of Cervical Vertebrae > Anterolaterally on ribs 1 + 2
Flex + Slightly Rotate Neck, Elevate 1st 2 ribs. Aid in Inspiration
Origin, Insertion, Movement
Splenius
Spinous Process of Vertebrae C7-T6 > Mastoid Process of Temporal Bone, Occipital Bone, and Transverse Process of Cervical Vertebrae
(Capitis is between traps and semispinalis capitis)
Head Extension
Origin, Insertion, Movement
Iliocostalis
Iliac Crest, Inferior thoracic and cervical ribs > Ribs and Transverse Processes of Cervical Vertebrae
Extend neck + Vertebral column
Origin, Insertion, Movement
Longissimus
Transverse processes of lumbar-cervical vertebrae > Transverse processes of thoracic and cervical vertebrae + mastoid process of temporal bone
Extends + laterally flex the vertebral column
Origin, Insertion, Movement
Quadratus Lumborum
Iliac Crest > Transverse processes of lumbar vertebrae (+ lower margin of 12th rib)
Flexes Vertebral Column Laterally
Origin, Insertion, Movement
Spinalis
Spinous process of upper lumbar and lower thoracic vertebrae > Spinous process of upper thoracic and cervical vertebrae
Extends vertebral column
Origin, Insertion, Movement
Semispinalis
Transverse processes of C7-T12 > Occipital bone + Spinous Processes of Cervical + Thoracic Vertebrae
Extend vertebral column + head + rotates them
Origin, Insertion, Movement
Quadratus Lumborum
Iliac Crest > Transverse Processes of Lumbar Vertebrae and lower margin of 12th rib
Flexes vertebral column laterally
Origin, Insertion, Movement
External Intercostal
Inferior border of rib above > Superior border of rib below
Elevates rib cage (Pulls lower rib up)
Origin, Insertion, Movement
Internal Intercostal
Superior border of rib below > Inferior border of rib above
Depresses rib cage (Pulls upper rib down)
Origin, Insertion, Movement
Diaphragm
Ribs/Carilage, Sternum, Vertebrae > Central Tendon
Inspiration (Prime Action)
Origin, Insertion, Movement
Rectus Abdominis
Pubic Crest + Symphysis > Xiphoid Process/ Ribs
Increase Abdominal Pressure, Flex/rotate lumbar vertebral column
Origin, Insertion, Movement
External Oblique
Lower 8 Ribs > Linea Alba, Pubic Crest/Tubercle, Iliac Crest
Compresses Abdominal Wall, Flexes Vertebral Column, Helps Trunk Rotation
Origin, Insertion, Movement
Internal Oblique
Lumbar Fascia, Iliac Crest, Inguinal Ligament > Linea Albra, Pubic crest, last 3-4 Ribs
Compresses Abdominal Wall, Flexes Vertebral Column, Helps Trunk Rotation
Origin, Insertion, Movement
Transversus Abdominis
Last 6 ribs, Inguinal Ligament, Iliac Crest, Lumbar Fascia > Linea Alba, Pubic Crest
Compresses Abdominal Content
Origin, Insertion, Movement
SKIP #46 - #52 Because they nasty
Okay
Origin, Insertion, Movement
Pectoralis Minor
3-5 Ribs > Coracoid process of Scapula
Fixed Ribs: Scapula Forward and Inferior
Fixed Scapula: Elevate Rib Cage (Respiratory Accessory)
Origin, Insertion, Movement
Serratus Anterior
1-8 Ribs > Scapula (Anterior Surface of medial Border)
Rotates or Protracts Scapula
Origin, Insertion, Movement
Trapezius Muscles
Occipital Bone, Spinous processes of C7 + all Thoracic Vertebrae > Acromion and Spine of Scapula, Lateral 1/3 of clavicle
Origin, Insertion, Movement
Rhomboids Major/ Minor
Spinous Processes of Vertebrae (C7-T1 minor, T2-T4 Major) > Medial Border of Scapula
Extend Head, Elevate, Retracts, Rotates Scapula
Origin, Insertion, Movement
Levator Scapulae
Transverse Processes of C1-C4 > Medial Border of Scapula + Superior to Spine
Elevates + Adducts Scapula
Origin, Insertion, Movement
Pectoralis Major
Sternal End of Clavical, Sternum, Ribs 1-6 > Intertubercular Sulcus/Greater Tubercle of Humerus
Prime Mover of arm flexion, Medial Arm Rotation, Arm Adduction
Origin, Insertion, Movement
Deltoids
Lateral Third of Clavical + Acromion and Spine of Scapula > Deltoid Tuberosity of Humerus
Abduction of the Shoulder
Origin, Insertion, Movement
Latissimus Dorsi Muscles
Spine of lower 6 thoracic Vertebrae, Lower 3-4 Ribs, Iliac Crest > Intertubercular sulcus of Humerus
Agonist for shoulder extension, Arm adductor, Medially rotates arm at shoulder
Origin, Insertion, Movement
Subscapularis
Subscapular Fossa of Scapula > Lesser Tubercle of humerus
Chief Medial Rotator of Humerus
Origin, Insertion, Movement
Supraspinatus Muscles
Supraspinatus Fossa of Scapula > Greater Tubercle of Humerus
Initiate Humerus ABduction
Origin, Insertion, Movement
Infraspinatus Muscles
Infraspinatus Fossa of Scapula > Greater Tubercle of Humerus
Rotates Humerus Laterally
Origin, Insertion, Movement
Teres Minor
Lateral border of dorsal scapula surface > Greater Tubercle of Humerus
Rotates Humerus Laterally
Origin, Insertion, Movement
Teres Major
Posterior surface of scapula @ Inferior Angle > Lesser Tubercle of Humerus
Extends, Medially rotates, adducts humerus
Latissimus Dorsi synergist
Origin, Insertion, Movement
Coracobrachialis
Coracoid Process of Scapula > Medial Surface of Humerus Shaft
Flexion and adduction of humerus
Origin, Insertion, Movement
Triceps Brachii Muscle
Infraglenoid Tubercle of Scapula, Post. shaft of humerus > Olecranon process of Ulna
Forearm Extension Agonist
Origin, Insertion, Movement
Biceps Brachii Muscle
Coracoid Process + Supraglenoid Tubercle of Scapula > Radial Tuberosity of Radius
Agonist for flexion of the elbow and supinates the forearm
Origin, Insertion, Movement
Bracialis
Distal Humerus > Coronoid Process of Ulna
Forearm Flexion
Origin, Insertion, Movement
Brachioradialis
Lateral Spracondylar (Ridge?) of Humerus > Styloid Process of Radius
Forearm Flexion Synergist
Origin, Insertion, Movement
Pronator Teres
Medial Epicondyle of Humerus, Coronoid Process of Unla > Midshaft Lateral Radius
Forearm Pronation
Origin, Insertion, Movement
Flexor Carpi Radialus
Medial Epicondyle of Humerus > Base of 2nd and 3rd Metacarpals
Hand Abductor, Wrist Flexor
Origin, Insertion, Movement
Palmaris Longus
Medial Epicondyle of Humerus > Palmar Aponeurosis
Tenses Skin/Fascia of palm during hand movement (Weak Wrist Flexor)
Origin, Insertion, Movement
Flexor Carpi Ulnaris
Olecranon Process of Ulna + Medial Epicondyle of Unla > Pisiform, Hamate, Base of 5th Metacarpal
Flexor of Wrist, Hand Adductor
Origin, Insertion, Movement
Flexor Digitorum Superficialis
Medial Epicondyle of Humerus, Coronoid Process of Ulna, Radial shaft > Middle Phalanges of Fingers 2-5
Flexes Wrist and middle phalanges of fingers 2-5
Origin, Insertion, Movement
Flexor Pollicis Longus
Anterior Surface of Radius > Distal Phalanx of Thumb
Flexes Distal Phalanx of Thumb
Origin, Insertion, Movement
Flexor Digitorum Profundus
Coronoid Process and Anteromedial Surface of Ulna > Distal Phalanges of fingers 2-5
Flexes Distal Interphalangeal joints
Origin, Insertion, Movement
Pronator Quadratus
Distal Poriton of anterior ulnar shaft > Distal Surface of Anterior Radius > Prime Mover of Forearm Pronation
Origin, Insertion, Movement
Extensor Carpi Radialis Longus
Lateral Supracondylar Ridge of Humerus> Base of 2nd Metacarpal
Extends + Abducts Wrist
Origin, Insertion, Movement
Extensor Carpi Radialis Brevis
Lateral Epicondyle of Humerus > Base of 3rd Metacarpal
Extends + Abducts Wrist
Origin, Insertion, Movement
Extensor Digitorum
Lateral Epicondyle of Humerus > Distal Phalanges of Fingers 2-5
Prime Mover of Finger Extension
Origin, Insertion, Movement
Extensor Carpi Ulnaris
Lateral Epicondyle of Humerus and Posterior Border of Ulna > Base of 5th Metacarpal
Extends Wrist; Adducts Wrist
Origin, Insertion, Movement
Extensor Pollicis Longus
Dorsal Shaft of Ulna + Interosseous Membrane > Base of Ditstal Phalanx of Thumb
Extension of Thumb, Abduction at wrist
Origin, Insertion, Movement
Extensor Pollicis Brevis
Dorsal Shaft of Radius > Base of Proximal Phalanx of Thumb
Extension of thumb; Abduction at wrist
Origin, Insertion, Movement
Abductor Pollicis Longus
Proximal Dorsal Surfaces of Ulna and Radius > 1st metacarpal bone and trapezium
Abducts and extends the thumb
Origin, Insertion, Movement
Supinator
Lateral Epicondyle of Humerus; Proximal Ulna > Proximal end of radius
Supinates forearm, synergist of Biceps Brachii, Antagonist for Pronator Muscles
Origin, Insertion, Movement
Addoctor Pollicis
Metacarpal/Carpal Bones > Proximal Phalanx of Thumb
Thumb Adduction
Origin, Insertion, Movement
Opponens Pollicis
Trapezium and Flexor Retinaculum > 1st Metacarpal
Thumb Opposition
Origin, Insertion, Movement
Abductor Pollicis Brevis
Transverse Carpal Ligament, Scaphoid and Trapezium > Radial Side of Base of Proximal Phalanx of Thumb
Thumb Abduction
Origin, Insertion, Movement
Flexor Pollicis Brevis
Flexor Retinaculum, Trapezium, Capitate and ulnar side of 1st metacarpal bone > Radial and Ulnar sides of proximal phalanx of thumb
Flexion and Adduction of Thumb
Origin, Insertion, Movement
Illiacus
Iliac Fossa, Iliac Crest, Ala of Sacrum > Lesser Trochanter of Femus
Prime Mover for Flexing Thigh
Origin, Insertion, Movement
Psoas Major
T-Process of Lumbar and T12 Vertebrae > Lesser Trochanter of Femur
Prime Mover of Flexing Thigh, Helps in flexing laterally vertebral column
Origin, Insertion, Movement
Sartorius
Aterior superior iliac spine > Medial Aspect of Priximal Tibia
Flexes, Abducts, and laterally rotates thigh, Flexes knee, produces the cross legged position
Origin, Insertion, Movement
Adductor Magnus
Ischial and pubic rami, and ischial tuberosity > Linea aspera and adductor tubercle of femur
Adducts, medially rotates, and flexes thigh; also synergystic to hamstrings in thigh extension
Origin, Insertion, Movement
Adductor Longus
Pubis near pubic symphysis > Linea Aspera
Adducts, medially rotates, and flexes thigh
Origin, Insertion, Movement
Adductor Brevis
Body and Inferior Ramus of Pubis > Linea Aspera and Adductor tubercle of femur
Adducts and Medially Rotates Thigh
Origin, Insertion, Movement
Pectineus
Superior Ramus of Pubis > Lesser Trochanter and Linea Aspera
Adducts, medially rotates, and flexes thigh
Origin, Insertion, Movement
Gracilis
Inferior Ramus and body of pubis, adjacent ischial ramus > Medial surface of tibia
Adducts, medially rotates, and flexes thigh
Origin, Insertion, Movement
Rectus Femoris
Anterior Inferior Iliac Spine and superior margin of acetabulum > Patella and Tibial Tuberosity of Tibia
Extends Knee and flexes thigh at hip
Origin, Insertion, Movement
Vastus Lateralis
Greater Trochanter, Intertrochanteric Line, Linea Aspera > Patella and Tibial Tuberosity of Tibia
Extends and stabilizes knee
Origin, Insertion, Movement
Vastus Medialis
Linea Asperia, Intertrochanteric and medial supracondylar lines > Patella and Tibial Tuberosity of Tibia
Extends Knee
Origin, Insertion, Movement
Vastus Intermedius
Anterior and lateral surfaces of proximal femur shaft > Patella and Tibial Tuberosity of Tibia
Extends Knee
Origin, Insertion, Movement
Tensor Fasciae Latae
Anterior Aspect of Iliac Crest and Anterior Superior Iliac Spine > Ilitibial Tract
Steadies the Knee and Trunk on Thigh by making Iliotibilia Tract Taught, Flexes and Abducts Thigh; Rotates Thigh Medially
Origin, Insertion, Movement
Gluteus Maximus
Dorsal Ilium, Sacrum and Coccyx > Gluteal Tuberosity of Femur; Iliotibial Tract
Major Thigh Extensor
Origin, Insertion, Movement
Gluteus Medius
B/w Anterior and posterior gluteal lines of lateral surface of ilium
Greater Trochanter of Femus
Abducts and medially rotates thigh
Origin, Insertion, Movement
Gluteus Minimus
B/w anterior and inferior gluteal lines on external surface of ilium > Greater Trochanter of Femur
Abducts and medially rotates thigh
Origin, Insertion, Movement
Biceps Femoris
Inschii Tuberosity, Linea Aspera, Lateral Supracondylar Line, and Distal Femur > Head of Fibula and Lateral Condyle of Tibia
Extends Thigh, Flexes Knee
Origin, Insertion, Movement
Semitendinosus
Ischial Tuberosity > Medial Aspect of Upper Tibial Shaft
Extends Thigh and Flexes Knee
Origin, Insertion, Movement
Semimembranosus
Ischial Tuberosity > Medial Condyle of Tibia and Lateral Condyle of Femur > Extends Thigh and Flexes Knee
Origin, Insertion, Movement
Tibialis Anterior
Lateral Condyle and upper 2/3 of tibial Shaft > Inferior surface of medial cuneiform and first metatarsal
Prime Mover of Dorsiflexion
Origin, Insertion, Movement
Extensor Digitorum Longus
Lateral Condyle and upper 3/4 of fibular shaft > Medial and Distal phalanges of toes 2-5
Prime Extensor
Origin, Insertion, Movement
Fibularis (Peroneus) Longus
Head and Upper portion of lateral fibula > First metatarsal and medial cuneiform
Plantar flexes and everts foot
Origin, Insertion, Movement
Gastrocnemius (Triceps Surae)
Medial and lateral condyle of femur > Posterior Calcaneus
Plantar Flexes Foot
Origin, Insertion, Movement
Soleus
Superior Tibia and Fibula > Posterior Calcaneus
Plantar Flexes Foot
Origin, Insertion, Movement
Popliteus
Lateral Condyle of Femor and Lateral Meniscus > Posterior Surface of Tibia
Medial rotation of tibia; lateral rotation of femur; flexion of knee
Origin, Insertion, Movement
Tibialis Posterior
Superior portion of tibia and fibula; and interosseus membrane > Tarsal and metatarsal bones (2-4)
Prime mover of foot inversion, plantar flexion
Origin, Insertion, Movement
Flexor Digitorum Longus
Posteriomedial surface of tibia > Distal Phalanges of toes 2-5
Flexes Toes 2-5
Origin, Insertion, Movement
Flexor Hallucis Longus
Posteromedial surface of fibula > Distal Phalanx of great toe
Flexion of great toe (Push off muscle for walking)
Origin, Insertion, Movement
Extensor Digitorum Brevis
Calcaneus > Dorsal surfaces of toes 1-4
Extension of metatarsolphalangeal jointes of toes 1-4
Origin, Insertion, Movement
Abductor Hallucis
Calcaneus > Medial side of proximal phalanx of great toe
Abduction at matatarsophalangeal joint of great toe
Origin, Insertion, Movement
Flexor Digitorum Brevis
Calcaneus > Sides of middle phalanges, toes 2-5
Flexion at proximal interphalangeal joints of toes 2-5
Origin, Insertion, Movement
Flexor Hallucis Brevis
Cuboid and lateral cuneiform bones > Proximal phalanx of great toe
Flexion at MTPG joints of great toe
Origin, Insertion, Movement
Adductor Hallucis
Bases of metatarsal bones 2-4 and plantar ligaments > Proximal phalanx of great toe
Adduction at metatarsophalangeal joint of great toe
