Muscular System

Muscle Histology

100

What type of muscle tissue is striated, multinucleated, and voluntary

Skeletal Muscle Tissue

200

The H band is only made up of what type of filament

Myosin

300

A ____ is a bundle of muscle fibers

Fascicle

400

The ____ gets larger during muscle contraction; the ___ and ___ bands get smaller, and the ____ band stays the same

The zone of overlap gets larger during muscle contraction; the H and I bands get smaller, and the A band stays the same size

500

This ion binds to troponin, causing tropomyosin to move off the myosin binding sites

Calcium

600

A ___ is one motor neuron and all of the muscle fibers it controls

Motor Unit

Axial Muscles

100

The name of the line of fibrous tissue that runs down the center of the abdomen

Linea Alba

200

These muscles are synergists to the diaphragm; they are used for expanding the thoracic cavity and drawing the ribs up, like during inhalation

External Intercostals

300

The most lateral muscle group of the erector spinae is the ____

Iliocostalis

400

The galea aponeurotica is between muscles of the:

Occipitofrontalis

500

This muscle that originates on the shoulders/superior trunk and inserts on the mandible tenses the neck and is partially responsible for frowning and opening the jaw

Platysma

600

This muscle compresses the cheeks against the teeth and is used for activities like blowing out a candle

Buccinator

Appendicular Muscles I

100

This muscle originates on C1-C4 and inserts on the medial borders of your scapulas. Elevates your scapulas

Levator Scapulae

200

Originating from the lateral epicondyle of the humerus, this muscle extends the 5th digit

Extensor Digiti Minimi

300

This wrist flexor originates on the medial epicondyle of the humerus and inserts on the palm

Palmaris Longus

400

This muscle is a synergist to the triceps brachii action at the elbow; it originates on the lateral epicondyle of the humerus and inserts on the olecranon of the ulna (Dr. Yard will ask this)

Anconeus

500

This powerful wrist flexor originates on the medial epicondyle of the humerus and the olecranon, inserts on the pisiform bone, and is more medial in anatomical position

Flexor Carpi Ulnaris

600

What are the four muscles that contribute to the rotator cuff?

Subscapularis, Infraspinatus, Teres Minor, Supraspinatus

Appendicular Muscles II

100

This quadriceps muscle lies lateral to the rectus femoris muscle.

Vastus Lateralis

200

This muscle is the most medial and superficial thigh muscle, assists with hip adduction, knee flexion, and internal knee rotation

Gracilis

300

This muscle is continuous with the iliotibial tract and is responsible for knee extension and lateral rotation, and weak hip ABduction.

Tensor Fascia Latae

400

This muscle can be found superficial to the Soleus muscle

Gastrocnemius

500

Whata are the muscles of the hamstring group?

Biceps femoris, semitendinosus, semimembranosus

600

This muscle originates in the lumbar region and inserts on the humerus. Responsible for adduction, internal rotation, and extension of the shoulder.

Latissimus Dorsi

Random

100

The name for the ability of a muscle to respond to stimuli

Excitability

200

This muscle originates on your manubrium and clavicle, inserts on your mastoid process, and flexes, extends, laterally flexes, and rotates the head

Sternocleidomastoid

300

The ___ is the most superior division of the anterior cervical triangle?

Suprahyoid Triangle

400

Name the 3 boundaries of the Femoral Triangle

Inguinal Ligament, Adductor Longus, Sartorius

500

SHT, SMT, SCT and ICT are all divisions of this

Anterior Cervical Triangle

600

Action potentials continue to occur until this enzyme removes Ach

Acetylcholinesterase