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A&P Muscles

Muscles Origins and Insertions

TermDefinition
Calcaneal Tendon Origin - extension of gastrocnemius and Soleus Insertion - Calcaneous
Platysma Origin - Clavicle Insertion - Mandible
Gluteus Medius Origin - Ilium Insertion - Femur
Serratus Anterior Origin - Lateral ribs Insertion - Scapula
Pectoralis Major origin - Clavicle, sternum, rib cartilage & aponeurosis of oblique Insertion - tendon to the humerus
Deltoid origin - clavicle and scapula insertion - humerus
Pectoralis Minor origin 3,4 and 5th ribs insertion - scapula
Diaphragm Origin - rib, sternum, costal cartilages of ribs and lumbar vertebrae Insertion - central tendon
Rectus Abdominis origin - pubic crest insertion - xiphoid process and costal cartilages of ribs
External Oblique origin - last eight ribs insertion - pubic crest, turbercles, ilium
Internal Oblique Origin - iliac crest
Orbicularis Oculi Origin - frontal bone, maxilla bone Insertion - soft tissue
Zygomaticus Origin - zygomatic bone Insertion - soft tissue around mouth
Orbicularis Oris Origin - soft tissue Insertion - soft tissue
Masseter Origin - Zygomatic/ maxilla Insertion - Mandible
Temporalis Origin - Temporal Insertion - Mandible
Sternocleidomastoid Origin - Manubrium/Clavicle Insertion - Temporalis/Occipital
Triceps Brachii Origin - Scapula/Humerus Insertion - Ulna
Vastus Lateralis Origin - Femur Insertion - Quadriceps tendon to patella
Vastus Intermedius Origin - Femur Insertion - Quadriceps tendon
Vastus Medialis Origin - Femur Insertion - Quadriceps tendon to patella an tibia
Frontalis Origin - Galea aponeurotica Insertion - NA skin around eyebrows
Tibialis Anterior Origin - Tibia Insertion - NA Calcaneal Tendon
Iliotibial Tract Origin -
Trapezius Origin - Occipital/thoracic vertebrae Insertion - Scapula/Clavicle
Brachialis Origin - Humerus Insertion - Ulna
Brachioradialis Origin - Humerus Insertion - Ulna
Biceps Femoris Origin - Ischium Insertion - Fibula/Tibia
Biceps Brachii Origin - Scapula Insertion - Radius
Semitendinosis Origin - Ischium Insertion - Tibia
Soleus Origin - Tibia/Fibula Insertion - Calcaneus
Rectus Femoris Origin - Ileum Insertion - Patella/Tibia
Gracilis Origin - Ischium Insertion - Tibia
Gluteus Maximus Origin - Ilium/Sacrum/Coccyx Insertion - Femur/Iliotibial tract
Latissimus Dorsi Origin - low 6 vertebra/ilium/scapula/ribs Insertion - Humerus
Sartorius Origin - Ilium Insertion - Tibia
Transverse Abdominus Origin - ilium/ribs/lumbar fascia Insertion - pubic crest
Gastrocnemus Origin - Femur Insertion - calcaneal tendon
Semimembranosus Origin - Ischium Insertion - Tibia
Semitendinosus Origin - Ischium Insertion - Tibia
Zygomaticus Origin - Zygomatic Insertion - NA (soft tissue mouth)
Serratus Anterior Origin - Ribs Insertion - Scapula
Rectus Abdominus Origin - Pubic crest Insertion - xiphoid, costal cartilages of ribs
Trapezius Origin - Occipital nuchal line, spinous process of vertebrae insertion - clavicle and scapula
Illiotibial Tract Origin - Ilium Insertion - Tibia
Pectoralis Minor Origin - Ribs insertion - scapula
Risorius NA soft tissue
Fast glycolytic largest diameter, most powerful, fatigues quiclky
Fast oxidative glycolytic fibers Moderate mitochondria, diametr, myoglobin, red, associated with walking
Slow oxidative muscles dark muscle, least powerful, endurance
Krebbs cycle Aerobic ATP Production in the mitochondria
Top 3 proteins in muscle contractions Actin, Myosin, Titin
tropomysosin blocks myosin binding sites on actin, held in place by troponin
F proteins filametous proteins
G proteins globular proteins
pivot joint atlis and axis
hinge joints elbow, knee, ankle and interphalangeal joints
myofibrils repeating unites of sarcomeres
knee joint largest and most complex joint in the body
planar joints intercarpal, intertarsal, sternoclavicular
synchondrosis cartilaginous joints connecting material is hyaline
syndesmosis ligaments holding together joints
extension increase in body angle
flexion decreases angles of joint
quadriceps Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
Hamstrings semitendenosis, semimembranosis, biceps femoris
Created by: jillt85
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