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A&PI LAB Muscles

Origins and Insertions

Deltoid Origin: Lateral 1/3 of Clavicle;spine of scapula Insertion: Detoid tuberosity of humerous
Temporalis Origin: Temporal Fossa Insertion: Coronoid process of Mandible
Masseter Origin: Zygomatic arch and Maxilla Insertion: Angle and Ramus of Mandible
Orbicularis oculi Origin: Frontal and Maxillary Bones Insertion: Encircles orbit and inserts into tissue of the eyelid
Zygomaticus Origin: Zygomatic Bone Insertion: Skin and Muscle at Corner of Mouth
Orbicularis oris Origin: Indirectly from the Maxilla and Mandible Insertion: Encircles mouth
Trapezius Origin: Occipital bone, C7 and thoracic vertebrae Insertion: Scapula, lateral 1/3 or clavicle
Triceps brachii =
Biceps brachii =
Brachialis =
Pronator teres =
Illiopsoas =
Pectineus =
Rectus femoris =
Vastus lateralis =
Vastus medialis =
Fibularis longus =
Extensor digitorum longus =
Tibialis anterior =
Soleus =
Gastrocnemius =
Gracillis =
Adducator longus =
Sartorius =
Tensor fasciae latae =
Transversus abdominus = Origin: Inguinal ligament, Iliac crest, cartilages of last 5-6 ribs Insertion: Pubic crest
Internal oblique = Origin: Lumbar fascia, iliac crest, inguinal ligament Insertion: Pubic crest, costal cartilage of last 3 ribs
External oblique = Origin: Anterior surface of last 8 ribs Insertion: Pubic and Iliac crests
Rectus abdominis = Origin: Pubic crest and symphysis Insertion: Costal cartilage of ribs 5-7
Serratus anterior = Origin: Lateral aspect of ribs 1-8 Insertion: Vertebral border of anterior scapula
pectoralis major = Origin: Clavicle, Sternum, Cartilage of Ribs 1-6 Insertion: Intertubercular of humerous
Sternocleidomastoid = Origin: Manubrium of Sternum and medial portion of Clavicle Insertion: Mastoid process
Brachioradialis =
Illiotibial tract =
Infraspinatus =
Teres major =
Latissimus dorsi = Origin:
Gluteus medius =
Gluteus maximus =
Adductor magnus (hamstrings)=
Biceps femoris =
Semitendinosus =
Semimembranosus =
Created by: schneidt