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A&P Muscles
Muscles Origins and Insertions
| Term | Definition |
|---|---|
| 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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