Real Deal Anatomy Test Study Set

What muscles flex the knee

All hamstring muscles (Semitendinosus, Bicep Femoris, Semimembrinousous), Sartorius, and Gracilis.

The principal elbow flexors located on the anterior side of the humerus are the: biceps brachii: brachialis: brachioradialis: deltoid: trapezius

Biceps Brachialis, Brachioradialis, and Brachialisc

Which of the following thigh muscles has its insertion in the head of the fibula? Gracilis Adductor Magnus Sartorius Biceps femoris

Biceps Femoris

What action does the orbicularis oculi do?

Blinking

The term mastication refers to the process of ______. Multiple choice question. chewing kissing swallowing running

Chewing

internal intercostals

Depress Ribs, superficial to external intercostals

Which muscle group maintains a person's posture and helps the individual to stand erect? hamstring group anterior abdominal muscles erector spinae

Erector Spinae

Contraction of the external intercostal muscles ______. decreases the space of the thoracic cavity expands the thoracic cavity

Expands the thoracic cavity

Spinalis

Fibers run from L vertebrae to T & C vertebrae

ILIOCOSTALIS

Fibers run from ilium to ribs*lateral most of the 3

Longissmus

Fibers run from sacrum to ribs & vertebrae

What action does the depressor anguli oris do?

Frowning

Explain the attachment of the External oblique

Inferiorly attaches on linea alba by a broad aponeurosis and some to the iliac crest

Explain the attachment of the Internal oblique

Inferiorly attaches on the linea alba, pubic crest, inferior rib surfaces of last 4 ribs, and costal cartilages of ribs 8-10

Explain attachment of the Rectus abdominis

Inferiorly attaches on the superior surface of the pubis near the symphysis

What action does the orbicularis oris orbicularis oris do?

Kissing

Of the muscles that move the glenohumeral joint, two attach proximally on the axial skeleton. Which ones? a: Latissimus dorsi b: Deltoid c: Pectoralis major d: Teres major e: Coracobrachialis

Latissimus Dorsi and Pectoralis

Which muscle elevates and protracts the mandible during mastication? the masseter muscle the orbicularis oris muscle the buccinator muscle the temporalis muscle

Masseter

Most muscles that move the thigh attach proximally to the

Os Coxae

Which primary muscles extend the leg

Quadriceps - Rectus Femosis, vastus lateralis, vastus intermedius, and the vastus medialis

What action does the frontal belly of occipitofrontalis do?

Raise eyebrows

The rectus abdominis muscles of the abdominal wall are enclosed within a fibrous sleeve called the __________ , and consist of right and left portions that are united by a vertical fibrous strip called _____________ .

Rectus Sheath, and linea alba

Which muscle extends the leg?

Rectus femoris

Which muscles elevates and retracts (adducts) the scapula?

Rhomboid Major

Which of the following muscles is the longest muscle in the body and is nicknamed the "tailor's muscle" because it flexes and laterally rotates the thigh while also flexing and medially rotating the leg (helping us to sit cross-legged, as tailors use

Sartorius

What action does the zygomaticus major zygomaticus major do?

Smiling

Where do the erector spinae muscles attach?

Spinalis group: spinous processes of axis and thoracic vertebrae iliocostalis group angles of ribs and transverse processes of cervical vertebrae longissimus group mastoid process of temporal bone and transverse processes of cervical and thoracic vertebrae

As a baseball pitcher winds up to throw, he medially rotates his arm by contracting his

Subscapularis

Explain the attachment of the Transversus abdominis

Superiorly attaches on the iliac crest, the cartilages of the inferior 6 ribs, the lumbar fascia, and the inguinal ligament

All of these muscles, except one, adduct the arm. Infraspinatus Teres minor Supraspinatus Coracobrachialis Triceps brachii.

Supraspinatus

What are the four paired muscles of mastication?

Temporalis, Masseter, Lateral, and medial pterygoid muscles.

What action does the platysma do?

Tense the neck

Which muscles flex the arm at the glenohumeral joint.

Teres minor Pectoralis major Deltoid (anterior fibers)

What are the hamstring muscles?

biceps femoris, semitendinosus, semimembranosus

The buccinator muscle ______. moves the mandible moves the tongue compresses the cheek

compresses the cheek

The internal intercostals ______.

depress the ribs during forced exhalation

Which is not a muscle of the anterior abdominal wall? rectus abdominis diaphragm internal oblique

diaphragm

external intercostals

elevates ribs, most superficial

What is the broad tendon between the frontalis and occipitalis muscles is called? myocranial aponeurosis pericranial aponeurosis epicranial aponeurosis

epicranial aponeurosis

The function of the biceps femoris is to

extend the thigh and flex the leg.

The four pairs of muscles that collectively compress, support, and hold the abdominal organs in place also work together to ______ and rotate the vertebral column. Multiple choice question. extend flex

flex

Bilateral contraction of the sternocleidomastoid muscles functions to ______. extend the neck rotate the head laterally flex the neck flex the neck

flex the neck

What muscles abduct the thigh

gluteus medius, gluteus minimus

The most powerful and important muscle of mastication is the Blank______. lateral pterygoid orbicularis oris masseter correct buccinator

masseter

The temporalis muscle ______ the mandible. protracts retracts

retracts

What are the rotator cuff muscles?

teres minor, supraspinatus, infraspinatus, subscapularis

The attachment sites of the sternocleidomastoid muscle include ______.

the clavicle the mastoid process the sternum

The anterolateral abdominal muscles include ______.

the external oblique muscle the transversus abdominis muscle the internal oblique muscle

Which muscles extend inferomedially from the superior rib to the adjacent inferior rib? the external intercostal muscles the internal intercostal muscles

the internal intercostal muscles

The primary muscle that dorsiflexes the foot is the

tibialis anterior

Which muscles of the abdominal wall forms the deepest muscle sheet? Multiple choice question. external oblique internal oblique transversus abdominis Rectus abdomonis

transversus abdominis