Anatomy of muscles

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Trapezius Origin: Base of skull, occipital protuberance; Ligaments of neck; Spines of 7 cervical and upper 3 thoracic vertebrae; Spines of 4-12 thoracic vertebrae.Insertion: Posterior aspect of outer third clavicle; Border of the acromion process; Upper border of the scapular spine; Triangular space at the base of the spine.
Rhomboid major Origin: Spinous process of the 2-5 thoracic vertebrae.Insertion: Medial border of the scapula, below the spine of scapula.
Rhomboid minor Origin: Spinous process 7th cervical and 1st thoracic vertebrae. Insertion: Medial border of the scapula, below the spine of scapula.
Levator Scapula Origin: Transverse process of the upper 4 cervical vertebrae.Insertion: Medial border of the scapula above the spine of the scapular spine.
Pectoralis Minor Origin: Outer surfaces of the 3-5 ribs.Insertion: Coracoid process.
Serratus anterior Origin: Lateral portion of the upper 9 ribsInsertion: Whole medial border of the costal aspect of the scapula.
Supraspinatus Origin: Supraspiantus fossa.Insertion: Top of the greater tubercle of the humerus.
Infraspinatus Origin: Posterior surface of the scapula below the scapular spine.Insertion: Greater tubercle of the humerus on the posterior side.
Teres minor Origin: Posterior, lateral surface of the scapula.Insertion: Greater tubercle of the humerus on the posterior side.
Subscapularis Origin: Entire anterior surface of the scapular fossa.Insertion: Lesser tubercle of the humerus.
Deltoid Origin: Front outer third of clavicle, border of the acromion, and lower edge of the spine of the scapula.
Teres major Origin: Lower third of the lateral border of the scapula.Insertion: Inner lip of the intertubercular groove of the humerus.
Coracobrachialis Origin: coracoid process of the scapula.Insertion: medial, middle of humerus.
Latissimus dorsi Origin: Posterior crest of the ilium, back of the sacrum and spinous process of the lower 3 ribs.Insertion: Medial side of the intertubercular groove of the humerus.
Pectoralis major Origin: Inner half of the anterior surface of the clavicle, anterior surface of the costal cartilages of the first 6 ribs and adjoining.Insertion: Outer lip of the intertubercular groove of the humerus.
Biceps brachii Origin: Long head: Top of the glenoid fossa.Short head: Top of the coracoid process.Insertion: Tuberosity of the radius.
Brachialis Origin: Lower half of the anterior portion of the humerus.Insertion: coronoid process of the ulna.
Brachioradialis Origin: Lower two thirds of outer condyloid ridge of the humerus.Insertion: outer surface of the lower end of the radius at the styloid process.
Triceps brachii Origin: Long head: Lower edge of the glenoid process of the scapula.Lateral head: Upper half of the posterior surface of the humerus.Medial head: Lower two thirds of the posterior surface of the humerus.Insertion: Olecranon process of the ulna.
Palmaris longus Origin: Medial epicondyle of humerus.Insertion: Palmar aponeurosis.
Flexor Carpi radialis Origin: Medial epicondyle of humerus.Insertion: Bases of 2nd and 3rd metacarpals.
Flexor Carpi ulnaris Origin: Medial epicondyle of humerus.Insertion: Bases of 5th metacarpals.
Pronator teres Origin: Medial epicondyle of humerus and coronoid process of ulna.Insertion: mid-lateral surface of the radius.
Pronator quadratus Origin: Anterior distal radius.Insertion: Anterior distal ulna.
Extensor carpi radialis longus ORIGIN: lateral epicondyle of humerusINSERTION: `base of 2nd metacarpal
Extensor carpi radialis brevis ORIGIN: lateral epicondyle of humerusINSERTION: base of 3rd metacarpal
Extensor carpi ulnaris ORIGIN: lateral epicondyle of humerusINSERTION: base of 5th metacarpal
Rectus abdominis ORIGIN: crest of the pubisINSERTION: cartilage of the 5th, 6th, and 7th ribs and the xiphoid process
External obliques ORIGIN: borders of the lower 8 ribs at the side of the chest interdigitating with
Internal obliques ORIGIN: upper half of the inguinal ligament, anterior two-thirds of the crest of the ilium and the thoracolumbar fasciaINSERTION: costal cartilages of the 8th, 9th, and 10th ribs and the linea alba
Transversus abdominis ORIGIN: outer third of the inguinal ligament, inner rim of the crest of the ilium, inner surface of the cartilage of the lower 6 ribs, and the thoracolumbar fasciaINSERTION: crest of the pubis, the iliopectineal line, and the linea alba
Erector spinae ORIGINS & INSERTIONS: in general, these muscles attach the spinous and transverse processes of the vertebrae to each other and to the pelvis, ribs, and skull
Iliopsoas ORIGIN: inner surface of ilium, base of the sacrum, and sides of the bodies of the last thoracic and all of the lumbar vertebraeINSERTION: lesser trochanter of the femur
Sartorius ORIGIN: notch between the anterior-superior and anterior-inferior spines of the iliumINSERTION: anterior medial condyle of the tibia
Rectus femoris ORIGIN: anterior-inferior iliac spine of the iliumINSERTION: tibial tuberosity via the patella and patellar ligament
Tensor fasciae latae ORIGIN: anterior iliac crest of the iliumINSERTION: iliotibial band of fascia quarter of the way down
Pectineus ORIGIN: space 1-inch wide on front of pubis just above the crestINSERTION: rough line leading from the lesser trochanter down to the linea aspera
Adductor brevis ORIGIN: front of the pubis just below the origin of the longusINSERTION: lesser trochanter of upper quarter of the linea aspera
Adductor longus ORIGIN: front of the pubis just below its crestINSERTION: middle third of the linea aspera
Adductor magnus ORIGIN: edge of the entire ramus of the pubis and the ischium, and the tuberosity of the ischiumINSERTION: whole length of the linea aspera and inner condyloid ridge
Gracilis ORIGIN: inner edge of the descending ramus of the pubisINSERTION: anterior medial surface of the tibia below the condyle
Gluteus maximus ORIGIN: posterior quarter of the crest of the ilium, posterior surface of the sacrum near the ilium, and fascia of the lumbar areaINSERTION: gluteal line of femur and iliotibial band of fascia latae
Gluteus medius ORIGIN: outer surface of the ilium just below the crestINSERTION: posterior and middle surfaces of the greater trochanter of the femur
Gluteus minimus ORIGIN: outer surface of the ilium below the origin of the gluteus mediusINSERTION: anterior surface of the greater trochanter of the femur
Piriformis` ORIGIN: anterior surface of sacrumINSERTION: greater trochanter of femur
Gemellus superior ORIGIN: posterior ischium (ischial spine)INSERTION: greater trochanter of the femur
Gemellus inferior ORIGIN: ischial tuberosityINSERTION: greater trochanter of femur
Obturator internus ORIGIN: obturator foramenINSERTION: greater trochanter of femur
Obturator externus ORIGIN: obturator foramenINSERTION: greater trochanter of femur
Quadratus femoris ORIGIN: ischial tuberosityINSERTION: just below greater trochanter of femur
Rectus femoris ORIGIN: anterior-inferior iliac spine of the iliumINSERTION: tibial tuberosity via the patella and patellar ligament
Vastus intermedius ORIGIN: upper two-thirds of the anterior surface of femurINSERTION: tibial tuberosity via the patella and patellar ligament
Vastus lateralis ORIGIN: greater trochanter and lateral lip of the linea asperaINSERTION: tibial tuberosity via the patella and patellar ligament
Vastus medialis ORIGIN: whole length of the linea asperaINSERTION: tibial tuberosity via the patella and patellar ligament
Sartorius ORIGIN: notch between the anterior-superior and anterior-inferior spines of the iliumINSERTION: anterior medial condyle of the tibia
Biceps femoris ORIGINS: Long head: ischial tuberosity Short head: lateral lip of linea asperaINSERTIONS: Long head: lateral condyle of tibia
Semitendinosus ORIGIN: ischial tuberosityINSERTION: medial condyle of tibia
Semimembranosus ORIGIN: ischial tuberosityINSERTION: medial condyle of tibia
Gastrocnemius ORIGIN: medial and lateral condyles of the femurINSERTION: calcaneus via the calcaneus tendon (Achilles tendon)
Popliteus ORIGIN: posterior surface of lateral epicondyle of femurINSERTION: upper, posterior medial surface of tibia
Gracilis ORIGIN: inner edge of the descending ramus of the pubisINSERTION: anterior medial surface of the tibia below the condyle
Anterior tibialis ORIGIN: upper two-thirds of the lateral surface of tibia and interosseous membraneINSERTION: inner surface of medial cuneiform and the 1st metatarsal
Extensor digitorum longus ORIGIN: lateral condyle of the tibia, proximal three-fourths of the fibula, and the interosseous membraneINSERTION: middle and distal phalanges of the lateral four toes
Extensor hallucis longus ORIGIN: middle half of the medial fibula and adjoining interosseous membraneINSERTION: distal phalanx of the great toe (“hallucis” refers to the great toe)
Gastrocnemius ORIGIN: medial and lateral condyles of the femurINSERTION: calcaneus via the calcaneus tendon (Achilles tendon)
Soleus ORIGIN: upper two-thirds of the posterior surfaces of the tibia and fibulaINSERTION: calcaneus via the calcaneus tendon (Achilles tendon)
Tibialis posterior ORIGIN: posterior surface of the upper half of the interosseous membrane and the adjacent surfaces of the tibia and fibulaINSERTION: lower medial surfaces of the navicular and cuneiform bones, and bases of the 2 through 5 metatarsal bones
Flexor digitorum longus ORIGIN: posterior surface of middle one-third of tibiaINSERTION: plantar surface of the base of the 3rd phalange of the 2nd through 5th toes
Flexor hallucis longus ORIGIN: posterior surface of lower 2/3 of fibulaINSERTION: plantar surface of the base of the terminal phalange of the great toe
Plantaris ORIGIN: posterior surface of the lateral epicondyle of the femurINSERTION: tuberosity of the calcaneus via the Achilles tendon
Peroneus longus ORIGIN: upper two-thirds of lateral surface of tibia and fibulaINSERTION: ventral surfaces of the 1st metatarsal and medial cuneiform
Peroneus brevis ORIGIN: distal two-thirds of the fibulaINSERTION: tuberosity of the 5th metatarsal