Anatomy And Physiology: Muscle

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Skeletal muscle:
Identify and give examples of where it is found
 

Multiple nuclei, striated, voluntary and involuntary (reflexes) control.
Location: attached to bones
Function: body movement
Smooth muscle:
Identify and give examples of where it is found
 

Spindle shaped, single nucleus that is centrally located.
Location: walls of hollow organs, blood vessels, eyes, glands, and skin
Function: Food movement through digestive tract ect.
Cardiac muscle:
Identify and give examples of where it is found
 

Striated, single centrally located nucleus.
Function: pumps blood
Location: Heart
Orbicularis Oculi
 

closes eye
Orbicularis Oris
 
Compresses and purses lips
Zygomaticus Major
 

Retracts and elevates corners of the mouth
Platysma
 

Tenses skin of neck, depresses mandible
Frontalis
 

Raises eyebrows, wrinkles scalp
Occipitalis
 

Tenses and retracts scalp
Buccinator
 

Compresses cheeks
Masseter
 

Elevates mandible
Temporalis
 

Elevates mandible
Medial Pterygoid
 

Moves mandible side to side
Lateral Pterygoid
 

Moves mandible side to side
Genioglossus
 

Depresses tongue
Hyoglossus
 

Depresses tongue
Styloglossus
 

Retracts tongue
Sternocleidomastoid
 

Both together: flexion of neck, one: laterally bends neck to opposite side
Origin: Sternum and Clavicle
Insertion: Mastoid process
Splenius Capitis
 

Both together: extension of the neck, one: rotate and laterally flex neck to same side
Erector Spinae Group: Iliocostalis, Longissimus, and Spinalis
 

Extend Vertebral Column
Quadratus Lumborum
 

Depress ribs or laterally flex spine
Psoas Major
 

Hip flexion
O: vertebra T12-L5
I: lesser trochanter femur
Iliacus
 

Hip flexion
O: Iliac fossa of ilium
I: Lesser trochanter femur
Diaphragm
 

Expands thoracic cavity and compresses abdominopelvic cavity
Rectus Abdominis
 

Flexes trunk, compress abdomen
External Oblique
 

Flex trunk, rotates trunk to opposite side, compresses abdomen
Transverse Abdominis
 

Stabilizes spine, compress abdomen
Internal Oblique
 

Flex trunk, rotates trunk to same side, compresses abdomen
Levator Scapulae
 

Elevate scapula
O: Cervical vertebra
I: Scapula
Pectoralis Minor
 

Stabilizes scapula by drawing it inferior
Rhomboid Major and Rhomboid Minor
 

Adducts scapula.
O: vertebra (C7-T4)
I: scapula
Serratus Anterior
 

Protracts scapula
Trapezius
 

Upper fibers elevate scapula, middle fibers retract scapula, lower fibers depress scapula
O: Vertebra (C and T), occipital bone
I: Scapula
Deltoid
 

Abduction of shoulder (anterior fibers-flexion, posterior fibers- extension)
O: Scapula and clavicle
I: Deltoid tuberosity
Coracobrachialis
 

Adduction and flexion of shoulder
O: Coracoid process of scapula
I: Humerus
Pectoralis major
 

adduction, flexion, medial rotation shoulder
O: ribs, sternum, and clavicle
I: humerus
Latissimus dorsi
 

Adduction, extension, medial rotation shoulder
O: Spinal column and ilium
I: anterior humerus
Supraspinatus
 

Abduction shoulder.
O: supraspinous fossa
I: humerus
Infraspinatus
 

Lateral rotation shoulder
O: infraspinous fossa
I: humerus
Teres Minor
 

Lateral rotation shoulder
O: scapula
I: Humerus
Subscapularis
 

Medial rotation shoulder
O: subscapular fossa
I: humerus
Teres major
 

Adduction, extension, medial rotation shoulder
O: scapula
I: humerus
Not part of rotator cuff
Biceps brachii
 

Flexion and supination elbow, long head flexion shoulder also
Long head
O: scapula
I: radius
Short head
O: coracoid process
I: radial tuberosity
Brachialis
 

Flexion elbow
O: humerus
I: ulna
Brachioradialis
 

Flexion elbow
Triceps Brachii
 

Extension elbow, long head extension shoulder also
Long head
O: scapula
Medial and Lateral head
O: Humerus
All I: olecranon process
Pronator Teres
 

Pronation forearm
Flexor Carpi Radialis
 

Flexion wrist
Palmaris Longus
 

Flexion wrist
Flexor Carpi Ulnaris
 

Flexion wrist
Flexor Digitorum Superficialis
 

Flexion wrist and proximal interphalangeal joints
Flexor Digitorum Profundus
 

Flexion wrist and distal interphalangeal joints
Extensor Carpi Radialis Longus
 

Extension wrist
Extensor Carpi Radialis Brevis
 

Extension wrist
Extensor Digitorum
 

Extension wrist and fingers
Extensor Digiti minimi
 

Extension finger 5
Extensor Carpi Ulnaris
 

Extension wrist
Abductor Pollicis Longus
 

Abduction thumb
Extensor Pollicis Brevis
 

Extension thumb
Extensor Pollicis Longus
 

Extension thumb
Supinator
 

Supinate forearm
Gluteus Maximus
 

Extension, lateral rotation hip
O: Iliac crest and sacrum
I: Iliotibial tract
Gluteus Medius
 

Abduction, medial rotation hip
O: Ilium
I: Greater Trochanter
Gluteus Minimus
 

Abduction, medial rotation hip
Piriformis
 

Lateral rotation hip
Tensor Fasciae Latae
 

Flexion, medial rotation hip, stabilizes hip and knee
O: Ilium
I: Iliotibial tract
Iliotibial tract
 

Not a muscle
Adductor Magnus
 

Adduction hip
Adductor Longus
 

Adduction hip
Gracilis
 

Adduction hip, flexion knee
O: pubis
I: tibia
Biceps Femoris
 

Flexion knee, extension hip
Long head-
O: Ischial tuberosity
I: lateral tibia
Short head-
O: Femur
I: Tibia
Semimembranosus
 

Flexion knee, extension hip
O: Ishial tuberosity
I: medial tibia
Semitendinosis
 

Flexion knee, extension hip
O: Ishial Tuberosity
I: Tibia
Sartorius
 

Flexion knee, flexion hip
O: Anterior superior iliac spine
I: medial tibia
Rectus Femoris
 

Extension knee, flexion hip
O: Iliac spine
I: Patella
Vastus Intermeius
Vastus Medialis
Vastus Lateralis
 

Extension Knee
O: Femur
I: Patella
Gastrocnemius
 

plantarflexion ankle
O: condyles of femur
I: Achilles tendon
Soleus
 

plantarflexion ankle
O: Tibia and fibula
I: Achilles tendon
Achilles tendon
 

Not a muscle
Flexor digitorum longus
 

Flex toes 2-5
Tibialis posterior
 

Plantarflexion ankle
Flexor hallucis longus
 

Flexion great toe (Hallux)
Popliteus
 

flexion at knee
Fibularis Longus
Fibularis Brevis
 

Eversion ankle/foot
Tibialis anterior
 

dorsiflexion ankle
O: tibia
I: 1st metatarsal and cuneiform
Extensor Digitorum Longus
 

extension toes 2-5
Extensor Hallucis Longus
 

Extension great toe (hallux)
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