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A&PI LAB Muscles
Origins and Insertions
| Question | Answer |
|---|---|
| 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 = |