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Muscle Tables
Table 11.1 and 12.1
201
Anatomy
Undergraduate 1
02/18/2015

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Term
Trapezius (Origin)
Definition
Posterior occipital bone, ligamentum nuchae, C7-T12.
Term
Trapezius (Insertion)
Definition
Clavicle, Acromion process, Spine of scapula
Term
Trapezius (Action)
Definition
Extends and abducts head, rotates and adducts scapula, fixes scapula.
Term
Deltoid (Origin)
Definition
clavicle, acromion process, and spine of scapula
Term
Deltoid (Insertion)
Definition
Deltoid tuberosity of the humerus
Term
Deltoid (Action)
Definition
Abducts arm, flexes, extends, medially and laterally rotates arm.
Term
Pectoralis Major (Origin)
Definition
Clavicle, Sternum, cartilages of ribs 1-7
Term
Pectoralis Major (Insertion)
Definition
Crest of greater tubercle of humerus
Term
Pectoralis Major (Action)
Definition
Flexes, Adducts, and medially rotates arm.
Term
Pectoralis Minor (Origin)
Definition
Ribs 3-5
Term
Pectoralis Minor (Insertion)
Definition
Coracoid process of scapula
Term
Pectoralis Minor (Action)
Definition
Depresses glenoid cavity, raises ribs 3-5
Term
Latissimus Dorsi (Origin)
Definition
T7-12, L1-5, Sacrum, Crest of Ilium, Ribs 10-12
Term
Latissimus Dorsi (Insertion)
Definition
Intertubercular groove of humerus.
Term
Latissimus Dorsi (Action)
Definition
Extends, adducts, and medially rotates arm; draws shoulder inferiorly.
Term
Supraspinatus (Origin)
Definition
Supraspinus fossa
Term
Supraspinatus (Insertion)
Definition
Greater tubercle of humerus
Term
Supraspinatus (Action)
Definition
Abducts arm, helps stabilize shoulder joint
Term
Infraspinatus (Origin)
Definition
Infraspinous fossa
Term
Infraspinatus (Insertion)
Definition
Greater tubercle of humerus
Term
Infraspinatus (Action)
Definition
Laterally rotates arm, stabilizes shoulder joint.
Term
Subscapularis (Origin)
Definition
Subscapular fossa
Term
Subscapularis (Insertion)
Definition
Lesser tubercle of humerus
Term
Subscapularis (Action)
Definition
Medially rotates arm, stabilizes shoulder joint.
Term
Teres Minor (Origin)
Definition
Lateral border of scapula.
Term
Teres Minor (Insertion)
Definition
Greater Tubercle of the humerus.
Term
Teres Minor (Action)
Definition
Laterally rotates and adducts arm, stabilizes shoulder joint
Term
Teres Major (Origin)
Definition
Inferior angle of scapula
Term
Teres Major (Insertion)
Definition
Crest of lesser tubercle of humerus
Term
Teres Major (Action)
Definition
Extends, adducts, and medially rotates arm.
Term
Biceps Brachii (Origin)
Definition
Long head: superior margin of glenoid fossa. Short Head: Corocoid process of scapula.
Term
Biceps Brachii (Insertion)
Definition
Radial Tuberosity
Term
Biceps Brachii (Action)
Definition
Flexes arm, flexes forearm, supinates hand
Term
Triceps Brachii (Origin)
Definition
Infraglenoid tuberosity of scapula, lateral and posterior surface of humerus
Term
Triceps Brachii (Insertion)
Definition
Olecranon process of ulna
Term
Triceps Brachii (Action)
Definition
Extends and adducts arm, extends forearm
Term
Coracobrachialis (Origin)
Definition
Coracoid process of scapula
Term
Coracobrachialis (Insertion)
Definition
Midmedial shaft of humerus
Term
Coracobrachialis (Action)
Definition
Flexes and adducts arm
Term
Brachialis (Origin)
Definition
Anterior, distal surface of humerus.
Term
Brachialis (Insertion)
Definition
Styloid process of ulna
Term
Brachialis (Action)
Definition
Flexes forearm
Term
Brachioradialis (Origin)
Definition
Lateral supracondylar ridge of humerus
Term
Brachioradialis (Insertion)
Definition
Styloid process of radius
Term
Brachioradialis (Action)
Definition
Flexes forearm
Term
Supinator (Origin)
Definition
Lateral epicondyle of humerus, anterior ulna
Term
Supinator (Insertion)
Definition
Proximal radius
Term
Supinator (Action)
Definition
Supinates hand
Term
Pronator quadratus (Origin)
Definition
Distal part of anterior ulna
Term
Pronator quadratus (Insertion)
Definition
Distal Radius
Term
Pronator quadratus (Action)
Definition
Pronates hand
Term
Pronator Teres (Origin)
Definition
Medial epicondyle of humerus, coronoid process of ulna
Term
Pronator Teres (Insertion)
Definition
Lateral, middle shaft of radius.
Term
Pronator Teres (Action)
Definition
Pronates hand and flexes forearm
Term
Palmaris Longus (Origin)
Definition
Medial epicondyle of humerus
Term
Palmaris Longus (Insertion)
Definition
Palmar aponerosis
Term
Palmaris Longus (Action)
Definition
Flexes hand
Term
Flexor Carpi Radialis (Origin)
Definition
Medial epicondyle of humerus
Term
Flexor Carpi Radialis (Insertion)
Definition
Second and third metacarpals
Term
Flexor Carpi Radialis (Action)
Definition
Flexes and abducts hand
Term
Flexor Carpi Ulnaris (Origin)
Definition
Medial epicondyle of humerus, olecranon process and dorsal border of ulna
Term
Flexor Carpi Ulnaris (Insertion)
Definition
Pisiform, hamate, fifth metacarpal
Term
Flexor Carpi Ulnaris (Action)
Definition
Flexes and adducts hand
Term
Flexor Digitorum Superficialis (Origin)
Definition
Medial epicondyle of humerus, proximal ulna, proximal radius
Term
Flexor Digitorum Superficialis (Insertion)
Definition
Middle phalanges of digits 2-5
Term
Flexor Digitorum Superficialis (Action)
Definition
Flexes proximal and middle phalanges, flexes hand.
Term
Flexor Digitorum Profundus (Origin)
Definition
Anterior, proximal surface of ulna; interosseous membrane
Term
Flexor Digitorum Profundus (Insertion)
Definition
Distal phalanges of digits 2-5
Term
Flexor Digitorum Profundus (Action)
Definition
Flexes phalanges, flexes hand
Term
Flexor Pollicis Longus (Origin)
Definition
Anterior portion of radius and interosseous membrane
Term
Flexor Pollicis Longus (Insertion)
Definition
Distal phalanx of polled (Thumb)
Term
Flexor Pollicis Longus (Action)
Definition
Flexes thumb
Term
Flexor Pollicis Brevis (Origin)
Definition
Trapezium
Term
Flexor Pollicis Brevis (Insertion)
Definition
Proximal phalanx of first digit
Term
Flexor Pollicis Brevis (Action)
Definition
Flexes thumb
Term
Abductor Pollicis Brevis (Origin)
Definition
Scaphoid and trapezium
Term
Abductor Pollicis Brevis (Insertion)
Definition
Proximal phalanx of the first digit
Term
Abductor Pollicis Brevis (Action)
Definition
Abducts thumb
Term
Opponens Pollicis (Origin)
Definition
Trapezium
Term
Opponens Pollicis (Insertion)
Definition
First metacarpal
Term
Opponens Pollicis (Action)
Definition
Opposes thumb
Term
Abductor digiti minimi (Origin)
Definition
Pisiform
Term
Abductor digiti minimi (Insertion)
Definition
Proximal phalanx of fifth digit
Term
Abductor digiti minimi (Action)
Definition
Abducts fifth digit
Term
Flexor digiti minimi brevis (Origin)
Definition
Hamulus of hamate
Term
Flexor digiti minimi brevis (Insertion)
Definition
Proximal phalanx of fifth digit
Term
Flexor digiti minimi brevis (Action)
Definition
Flexes fifth digit
Term
Opponens digiti minimi (Origin)
Definition
Hamulus of hamate
Term
Opponens digiti minimi (Insertion)
Definition
Fifth metacarpal
Term
Opponens digiti minimi (Action)
Definition
Opposes fifth digit
Term
Extensor Carpi Radialis longus (Origin)
Definition
Lateral supracondylar ridge of humerus
Term
Extensor Carpi Radialis longus (Insertion)
Definition
Second metacarpal
Term
Extensor Carpi Radialis longus (Action)
Definition
Extends and abducts hand
Term
Extensor Carpi Radialis Brevis (Origin)
Definition
Lateral epicondyle of humerus
Term
Extensor Carpi Radialis Brevis (Insertion)
Definition
Third metacarpal
Term
Extensor Carpi Radialis Brevis (Action)
Definition
Extends and abducts hand
Term
Extensor Carpi Ulnaris (Origin)
Definition
Lateral epicondyle of humerus, proximal ulna
Term
Extensor Carpi Ulnaris (Insertion)
Definition
Fifth metacarpal
Term
Extensor Carpi Ulnaris (Action)
Definition
Extends and adducts hand
Term
Extensor Digitorum (Origin)
Definition
Lateral epicondyle of humerus
Term
Extensor Digitorum (Insertion)
Definition
Middle and distal phalanges of digits 2-5
Term
Extensor Digitorum (Action)
Definition
Extends phalanges, extends hand
Term
Abductor Pollicis Longus (Origin)
Definition
Posterior radius and ulna, interosseous membrane
Term
Abductor Pollicis Longus (Insertion)
Definition
First metacarpal
Term
Abductor Pollicis Longus (Action)
Definition
Abducts thumb
Term
Extensor Pollicis Longus and Brevis (Origin)
Definition
Posterior radius and ulna, interosseous mambrane
Term
Extensor Pollicis Longus and Brevis (Insertion)
Definition
Proximal and distal phalanges of pollex (Thumb)
Term
Extensor Pollicis Longus and Brevis (Action)
Definition
Extends thumb
Term
Iliopsoas (Origin)
Definition
T12, L1-L5, Sacrum, Iliac crest, Iliac fossa
Term
Iliopsoas (Insertion)
Definition
Lesser trochanter of femur
Term
Iliopsoas (Action)
Definition
Flexes thigh and lumbar vertebrae
Term
Sartorius (Origin)
Definition
Anterior superior iliac spine
Term
Sartorius (Insertion)
Definition
Proximal, medial tibia
Term
Sartorius (Action)
Definition
Flexes and laterally rotates thigh, flexes leg
Term
Gracilis (Origin)
Definition
Pubic symphysis
Term
Gracilis (Insertion)
Definition
Proximal, medial tibia
Term
Gracilis (Action)
Definition
Adducts thigh, flexes leg
Term
Pectineus (Origin)
Definition
Pubis
Term
Pectineus (Insertion)
Definition
femur inferior to lesser trochanter
Term
Pectineus (Action)
Definition
Adducts and flexes thigh
Term
Adductor Brevis (Origin)
Definition
Pubis
Term
Adductor Brevis (Insertion)
Definition
Linea aspera at proximal portion of femur
Term
Adductor Brevis (Action)
Definition
Adducts, flexes, and laterally rotates thigh
Term
Adductor Longus (Origin)
Definition
Pubis
Term
Adductor Longus (Insertion)
Definition
Linea aspera at middle portion of femur
Term
Adductor Longus (Action)
Definition
Adducts, flexes, and laterally rotates thigh
Term
Adductor Magnus (Origin)
Definition
Pubis, Ishium
Term
Adductor Magnus (Insertion)
Definition
Gluteal tuberosity, linea aspera, adductor tubercle of distal femur.
Term
Adductor Magnus (Action)
Definition
Adducts, flexes, extends, and laterally rotates thigh
Term
Rectus femoris (Origin)
Definition
Anterior, inferior iliac spine, margin of acetebulum
Term
Rectus femoris (Insertion)
Definition
Tibial tuberosity by the patellar tendon
Term
Rectus femoris (Action)
Definition
Flexes thigh, extends leg
Term
Vastus Lateralis (Origin)
Definition
Greater trochanter of femur, linea aspera of femur
Term
Vastus Lateralis (Insertion)
Definition
Tibial tuberosity by the patellar tendon
Term
Vastus Lateralis (Action)
Definition
Extends leg
Term
Vastus Intermedius (Origin)
Definition
Proximal, anterior femur
Term
Vastus Intermedius (Insertion)
Definition
Tibial tuberosity by the patellar tendon
Term
Vastus Intermedius (Action)
Definition
Extends leg
Term
Vastus Medialis (Origin)
Definition
Linea aspera, medial side
Term
Vastus Medialis (Insertion)
Definition
Tibial tuberosity by the patellar tendon
Term
Vastus Medialis (Action)
Definition
Extends legs
Term
Tensor Fasciae Latae (Origin)
Definition
Iliac crest, anterior iliac surface
Term
Tensor Fasciae Latae (Insertion)
Definition
Iliotibial band of fasciae latae
Term
Tensor Fasciae Latae (Action)
Definition
Flexes, abducts, and medially rotates thigh
Term
Gluteus Maximus (Origin)
Definition
Outer iliac blade, iliac crest, sacrum, coccyx
Term
Gluteus Maximus (Insertion)
Definition
Gluteal tuberosity of femur, iliotibial band of faciae latae
Term
Gluteus Maximus (Action)
Definition
Extends and laterally rotates thigh, braces knee
Term
Gluteus Medius (Origin)
Definition
Outer iliac blade
Term
Gluteus Medius (Insertion)
Definition
Greater trochanter of femur
Term
Gluteus Medius (Action)
Definition
Abducts and medially rotates thigh
Term
Gluteus Minimus (Origin)
Definition
Outer iliac blade
Term
Gluteus Minimus (Insertion)
Definition
Greater Trochanter of femur
Term
Gluteus Minimus (Action)
Definition
Abducts and medially rotates thigh
Term
Biceps Femoris (Origin)
Definition
Ischial tuberosity, linea aspera
Term
Biceps Femoris (Insertion)
Definition
Head of fibula, lateral condyle of tibia
Term
Biceps Femoris (Action)
Definition
Extends thigh, flexes leg
Term
Semitendinosus (Origin)
Definition
Ischial tuberosity
Term
Semitendinosus (Insertion)
Definition
Proximal, medial tibia
Term
Semitendinosus (Action)
Definition
Extends thigh, flexes leg
Term
Semimembranosus (Origin)
Definition
Ischial tuberosity
Term
Semimembranosus (Insertion)
Definition
Medial condyle of tibia
Term
Semimembranosus(Action)
Definition
Extends thigh, flexes leg
Term
Gastronemius (Origin)
Definition
Condyles of femur
Term
Gastronemius (Insertion)
Definition
Calcaneus by the calcaneal tendon
Term
Gastronemius (Action)
Definition
Flexes leg, plantar flexes foot
Term
Soleus (Origin)
Definition
Posterior, proximal tibia and fibula
Term
Soleus (Insertion)
Definition
Calcaneus by the calcaneal tendon
Term
Soleus (Action)
Definition
Plantar flexes foot
Term
Plantaris (Origin)
Definition
Distal femur
Term
Plantaris (Insertion)
Definition
Calcaneus
Term
Plantaris (Action)
Definition
Flexes leg, plantar flexes foot
Term
Popliteus (Origin)
Definition
Lateral condyle of femur
Term
Popliteus (Insertion)
Definition
Proximal tibia
Term
Popliteus (Action)
Definition
Flexes leg, thus "unlocking" the knee
Term
Tibialis Posterior (Origin)
Definition
Proximal tibia and fibula
Term
Tibialis Posterior (Insertion)
Definition
Second through fourth metatarsals and some tarsals
Term
Tibialis Posterior (Action)
Definition
Plantar flexes and inverts foot
Term
Flexor Digitorum Longus (Origin)
Definition
Posterior tibia
Term
Flexor Digitorum Longus (Insertion)
Definition
Distal phalanges of second through fifth digits
Term
Flexor Digitorum Longus (Action)
Definition
Flexes toes, plantar flexes and inverts foot.
Term
Flexor Hallucis Longus (Origin)
Definition
Midshaft of fibula
Term
Flexor Hallucis Longus (Insertion)
Definition
Distal phalanx of hallux (big toe)
Term
Flexor Hallucis Longus (Action)
Definition
Flexes hallux, inverts foot
Term
Tibialis Anterior (Origin)
Definition
Lateral condyle and proximal tibia
Term
Tibialis Anterior (Insertion)
Definition
First metatarsal, first cuneiform
Term
Tibialis Anterior (Action)
Definition
Dorsiflexes and inverts foot
Term
Extensor Digitorum Longus (Origin)
Definition
Lateral condyle of tibia, shaft of fibula
Term
Extensor Digitorum Longus (Insertion)
Definition
Middle and distal phalanges of second through fifth digits
Term
Extensor Digitorum Longus (Action)
Definition
Extends toes, dorsiflexes foot
Term
Extensor Hallucis Longus (Origin)
Definition
Anterior shaft of fibula
Term
Extensor Hallucis Longus (Insertion)
Definition
Distal phalanx of hallux (big toe)
Term
Extensor Hallucis Longus (Action)
Definition
Extends hallux, dorsiflexes foot
Term
Fibularis Longus (Origin)
Definition
Head and shaft of fibula, lateral condyle of tibia
Term
Fibularis Longus (Insertion)
Definition
First metatarsal, first cuneiform
Term
Fibularis Longus (Action)
Definition
Plantar flexes and everts foot
Term
Fibularis Brevis (Origin)
Definition
Shaft of fibula
Term
Fibularis Brevis (Insertion)
Definition
Fifth metatarsal
Term
Fibularis Brevis (Action)
Definition
Plantar flexes and everts foot
Term
Fibularis Tertius (Origin)
Definition
Anterior, distal fibula
Term
Fibularis Tertius (Insertion)
Definition
Dorsum of fifth metatarsal
Term
Fibularis Tertius (Action)
Definition
Dorsiflexes and everts foot
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