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anatomy mid-term
| Term | Definition |
|---|---|
| obicularis oris | shaping of lips |
| for the obicularis oris to make facial expression where does the muscle insert? | the origin are the maxialla and mandible and the insertion is in the tissues of the lip |
| what bone does the occipitofrontalis lie superficial to? | lies superficial to frontal and occipital bone |
| what muscles allows us to chew? | masseter and temporalis? |
| Which chewing muscle raises and closes the jaw? | temporalis muscle |
| Which bone do the chewing muscles insert? | The mandible |
| Which muscle allows the head to flex and to rotate the face to opposite side? | Sternocleidomastoid |
| Which muscle allows us to extend our head? | Trapezius |
| What are the attatchment points for the sternocleidomastoid? | sternum, clavicle, mastoid process |
| What shape is our trapezius? | 4 sided with 2 parallel but unequal lengths |
| What abdominal muscle compresses the abdomen, flexes vertebral column, aids urination, defecation and childbirth | rectus abdominus |
| What abdominal muscles compress the abdomen, and one side bends vertebral column laterally | External/Internal oblique |
| Which abdominal muscle compresses the abdomen? | Transversus abdominus |
| How can you determine abdominal muscles? | Directions of muscle fibers |
| What muscle used for breathing aids inhalation and exhalation? | diaphragm and intercostals |
| What muscle used for breathing aids FORCED exhalation? | Intercostals (Internal)- between ribs |
| What muscles depresses the shoulder? | Pectoralis minor |
| What muscle eleveates the shoulder? | Trapezius |
| What muscle adducts the scapula? | Rhomboids |
| What muscle abducts the scapula? | Serratus anterior |
| What does serrated look like? | Serrated knife like, toothy look where it attches to the rib |
| What is the shape of a rhombus | Diamond shaped |
| If the scapula is stationery what happens to the ribs? | the muscles attached to it can move the ribs to aid inhaling and exhaling |
| What muscle flexes the forearm? | Biceps brachii and brachioradialis |
| What muscle extends the forearm? | Triceps brachii |
| What muscle supinates the forearm? | Bicheps brachii and supinator |
| What muscle pronates the forearm? | Pronator teres |
| What muscle is known as the drinking beer muscle, stabalizing the elbow? | Brachioradialis |
| What muscle flexes the vertebral column? | rectus abdominis |
| What muscle extends the vertenral column? | Errector spinae |
| what muscle flexes the thigh? | rectus femoris |
| what muscle extends the thigh | gluteus maximus |
| what muscle adducts the thigh? | Gracilis and adductors |
| What muscle abducts the thigh? | Gluteus medius and maximus |
| What muscle aids the lateral rotation of the hip? | sartorious |
| what muscle allows you to sit cross legged? | sartorious |
| what side of the leg is the semimemranousus? | mediual side of leg |
| what muscle is longgg, slender and graceful? | Gracilis |
| What muscle flexes the lower leg? | Gastrocnemius and hamstring |
| What muscle extends the lower leg? | Quadriceps |
| What makes up the quadriceps? | rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius |
| What muscle plantar flexes the foot? | Gastrocnemius and soleus |
| What muscle aids dorsiflexion of the foot? | Tibialis anterior |
| What do the gastrocnemius and soleus form? | Achillies tendon |
| What portion is the gastrocnemius of the calf make up? | large portion, (gastro-belly) |
Created by:
crys3