Exam 3 Review

Sarcomere & Muscle Tissue

100

This type of muscle is striated, multinucleated, and voluntary

Skeletal Muscle

200

The outermost layer of muscle is surrounded by what type of tissue

Epimysium

300

This layer of muscle is made up of multiple muscle fibers

Muscle Fascicle

400

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

Thick filament, aka myosin

500

The only part of the sarcomere that gets bigger during contraction

The zones of overlap

600

This band contains both thick and thin filaments and doesn't change size during muscle contraction

The A band

700

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

Calcium

Arms

100

The main flexor of the elbow located deep to the biceps brachii

Brachialis

200

The main elbow extensor

Triceps Brachii

300

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

Extensor digiti minimi

400

The muscle originates on the humerus and inserts on the styloid process of the radius. Assists with elbow flexion.

Brachioradialis

500

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

Palmaris Longus

600

This synergistic elbow extensor originates on the lateral epicondyle of the humerus and inserts on the olecranon of the ulna (Dr. Yard will ask this)

Anconeus, synergistic to the triceps brachii

700

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

Legs

100

The Hamstrings include all of the following except: Semitendinosus, rectus femoris, semimembranosus, biceps femoris

Rectus femoris is not a part of the hamstrings

200

This quadriceps muscle lies lateral to the rectus femoris muscle.

Vastus Lateralis

300

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

Gracilis

400

Name the 3 boundaries of the Femoral Triangle

Inguinal Ligament - superiorly

Sartorius - laterally

Adductor Longus - medially

500

This muscle can be found superficial to the Soleus muscle

Gastrocnemius

600

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

Tensor Fascia Latae

700

Put these structures in order from lateral to medial in the femoral triangle

Femoral Vein, Nerve, Artery, and Lymphatics

N - Nerve

A - Artery

V - Vein

L - Lymph

Shoulders & Hips

100

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

Levator Scapulae

200

What 2 hip flexors make up the iliopsoas group

Iliacus and Psoas Major

300

Which of the following is NOT a part of the rotator cuff: Teres Minor, Infraspinatus, Supraspinatus, Deltoid, and Subscapularis

Deltoid

400

This muscle is not part of the rotator cuff, it originates on the scapula, inserts on the humerus, and is assists with medial rotation and adduction of the humerus

Teres Major

500

This muscle originates on the pubic bone and inserts on the posterior femur and is responsible for hip adduction and flexion

Pectineus

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

700

Name the missing lateral hip rotator: Piriformis, Gemellus Superior, Obturator Internus, Quadratus Femoris, Obturator Externus

Gemellus Inferior

Trunk

100

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

Linea alba

200

The most lateral muscle of the erector spinae group

Iliocostalis

300

These muscles are used for expanding the thoracic cavity and drawing the ribs up, like during inhalation

External Intercostals

400

The most medial muscle of the erector spinae group

Spinalis

500

These muscles are used for compressing the thoracic cavity like during exhalation

Internal Intercostals

600

This muscle is the main muscle responsible for scapular protraction, originates on the lateral edges of the first 8-9 ribs and inserts on the anterior scapula

Serratus Anterior

700

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

Head & Neck

100

This main mastication muscle originates on the zygomatic arch and inserts on the mandible

Masseter

200

This type of muscle found in the face is only able to close, not open

Orbicularis (oculi or oris)

300

This muscle originates on the zygomatic bone and inserts on the orbicularis oris. One of the main muscles used for smiling

Zygomaticus major (and minor a little)

- pulls lips up and back

400

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

Sternocleidomastoid

500

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

Buccinator

600

The Omohyoid Muscle runs from:

A) Manubrium to Hyoid Bone

B) Manubrium to Thyroid Cartilage

C) Thyroid Cartilage to Hyoid Bone

D) Suprascapular Notch to Hyoid Bone

D) Suprascapular Notch to Hyoid

A = Sternohyoid (sternum to hyoid)

B = Sternothyroid (sternum to thyroid)

C = Thyrohyoid (thyroid to hyoid)

700

This image is showing which triangle

A) Suprahyoid Triangle (SHT)

B) Submandibular Triangle (SMT)

C) Superior Carotid Triangle (SCT)

D) Inferior Carotid Triangle (ICT)

B) Submandibular Triangle (SMT)

Surprise

100

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

Excitability

200

This type of muscle opposes the action of another

Antagonist

300

The thing that makes muscles red

Myoglobin

400

The ability of a muscle to contract

Contractility

500

The ability of a muscle to stretch

Extensibility

600

The ability of a muscle to return to its original size

Elasticity

700

The name for all of the muscle cells/fibers that one neuron innervates

Motor Unit