Deep Muscles Flashcards by Leah McKellar

Origin: Temporal Fossa and Zygomatic Arch.

Insertion: Coronoid process of mandible.

Temporalis

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Origin: Spinous processes of C2.

Insertion: Dorsal aspect of the wing of atlas.

Head obliques

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Origin: Articular processes of C3-C7 and transverse processes of T1/T2.

Insertion: Capitis - Temporal bone. Atlantis - Wing of atlas.

Longissimus captitis et atlantis

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Origins: Dorsalis - Axis and atlas, lateralis - ventral arch of atlas.

Insertion: Occipital bone.

Rectus capitis

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Origin: Nuchal ligament and C2-T8.

Insertion: Medial side of scapular cartilage.

Rhomboids

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Origin: Transverse processes of C3-C7.

Insertion: Upper third of the scapular.

Serratus ventralis Cervicus

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Origin: Articular processes of C3-T1.

Insertion: Adjacent processes of C3-T1.

Multifidus

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Origin: Transverse processes of T1-T7 and Articular processes of C3-C7.

Insertion: Occipital bone.

Semispinalis

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Origin: Scapular cartilage and Spina of scapular.

Insertion: Greater trochanter of humerus.

Supraspinatus

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Origin: Scapular cartilage and spin of scapular.

Insertion: Greater trochanter of humerus.

Infraspinatus

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Origin: Caudal aspect of the sternum.

Insertion: Humeral bone and brachial fascia.

Deep Cranial Pectoral

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Origin: Upper third of sternum/manubrium.

Insertion: Deltoid tuberosity and crest of the humerus.

Descending Pectoral

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Origin: Body of the 1st - 9th ribs.

Insertion: Upper third of the scapular.

Serratus ventralis thoracis

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Origin: Spinous processes from L6 to T13 and the longissimus fascia.

Insertion: Spinous processes of C3 to T7.

Spinalis

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Origin: Caudal border of spine of scapular.

Insertion: Deltoid tuberosity.

Deltoid

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Origin: Caudal border of scapular.

Insertion: Caudal part of humerus.

Teres Minor

Origin: Humerus.

Insertion: Radius.

Brachialis

Origin: Caudal border of scapular and Latissimus Dorsi fascia.

Insertion: Ulna, medial aspect of Olecrannon and antebrachial fascia.

Tensor fascia antebrachii

Origin: Humerus.

Insertion: Radius.

Deep Digital Flexor

Origin: Medial epicondyle of humerus, ulna and medial Olecrannon.

Insertion: Accessory carpal bone.

Flexor Carpi Ulnaris

Origin: Spinous processes of L1-S3 and transverse processes of thoracic vertebrae.

Insertion: Transverse processes of C4-C7 and rib tubercles.

Longissimus Dorsi

Origin: Illium, sacrum, sacroiliac ligaments and longissimus dorsi.

Insertion: Greater trochanter of femur.

Medial Gluteal

Origin: Spinous processes of L1-S3 and transverse processes of thoracic vertebrae.

Insertion: Transverse processes of C4-C7 and rib tubercles.

Accessory gluteal

Origin: Ilium and spine of ischium.

Insertion: Greater trochanter of femur.

Deep gluteal

Origin: Pelvic symphysis. Insertion: Crural fascia, medial patella ligament, cranial border of tibia.

Gracilis

Origin: Tuber coxae and inguinal ligament. Insertion: 18th rib, costal cartilages of 14th - 18th ribs, linea alba.

Internal abdominal obliques

Origin: Major - 17th/18th ribs, transverse processes of lumbar vertebrae. Minor - T16-L5, and 16th/17th ribs. Insertion: Major - Lesser trochanter of femur, iliac tendon. Minor - Psoas tubercle of ilium.

Psoas

Origin: Ilium, Psoas minor tendon, ventral sacroiliac ligament, wing of sacrum. Insertion: Medial edge of femur and Psoas major tendon.

Iliacus

Origin: Ilium. Insertion: Patella ligament and tibial tuberosity.

Rectus Femoris

Origin: Femur. Insertion: Patella ligament and the tibial tuberosity.

Vastus lateralis

Origin: Transverse and spinous processes of S5 -Ca2 and the ischiatic tuberosity. Insertion: Tibia.

Semitendinosous.

Origin: Femur. Insertion: Calcaneus and tarsal joint.

Gastrocnemius

Origin: Head of fibula Insertion: Gastrocnemius tendon.

Soleus

Origin: Tibia, fibula, and lateral condyle of femur and tibia. Insertion: Flexor tuberosity of distal phalange.

Deep Digital Flexor