Muscle O,I,A checklist

Muscles of the head, neck, and abdominal wall WIP

Epicranius (frontal and occipital bellies) origin

Epicranial aponeurosis, temporal, and occipital bones

Orbicularis Oculi origin

Frontal and maxilla bones

Orbicularis Oris

Maxilla and mandible bones

Zygomaticus origin

Zygomatic bone

Masseter origin

Zygomatic arch

Temporalis origin

temporal bone

Buccinator origin

maxilla and mandible

Sternocleidomastoid origin

sternum and clavicle

External oblique origin

lower ribs

Internal oblique origin

lumbar fascia, iliac crest, inguinal ligament

Transversus abdominis origin

inguinal ligament, cartilage of lower ribs, hip

Rectus abdominis origin

pubic symphysis, pubic crest

Pectoralis minor origin

Anterior ribs 3-5

Serratus anterior origin

Ribs 1-8

Trapezius origin

Occipital bone, C7-T12 spinous processes

Levator Scapulae origin

C1-C4 transverse process

Rhomboid group origin

C7-T12 spinous process

Pectoralis major origin

Clavicle, sternum, ribs 1-6 cartilage

Deltoid origin

Clavicle, acromion, spine of scapula

Latissimus dorsi origin

T7-L5 spinous process, ribs 8-12, iliac crest

Teres major origin

Posterior, inferior scapula

Coracobrachialis origin

Coracoid process of scapula

Biceps brachii origin

Coracoid process and superior scapula

Brachialis origin

Anterior humerus

Brachioradialis origin

Distal humerus

Triceps brachii origin

Scapula (below glenoid cavity) and posterior humerus

Flexor group origin

Lateral epicondyle of humerus

Pronator teres origin

Lateral epicondyle of humerus 2

Palmaris Longis origin

Lateral epicondyle of humerus 3

Extensor group origin

Radial epicondyle of humerus

Iliopsoas origin

Ilium, T12, and lumbar vertebrae bodies

Tensor fasciae latae origin

Anterior iliac and crest

Sartorius origin

Anterior iliac

Quadriceps group origin

Anterior iliac, proximal femur

Pectineus origin

Pubis bone

Gracilis origin

Pubis bone 2

Adductor group origin

Pubis bone 3

Gluteus Maximus origin

Ilium, sacrum, coccyx

Gluteus medius and gluteus minimus origin

Posterior and lateral ilium

Hamstring group origin

Ischial tuberosity and linea aspera

Tibialis anterior origin

Lateral condyle and proximal tibia

Extensor digitorum longus origin

Lateral condyle of tibia and proximal fibula

Fibularis group origin

Proximal and middle fibula shaft

Gastrocnemius origin

Medial and lateral condyle of femur

Soleus origin

Proximal tibia and fibula