Test 2 Flashcards
What is the origin and the insertion of the Brachialis?
Origin: Distal anterior humerus
Insertion: Coronoid process of the ulna
What muscle flexes the forearm?
Brachialis
What muscle extends the forearm?
Triceps brachii
What is the origin and insertion of the Triceps brachii?
Origin: Infraglenoid tubercle and posterior body of the humerus
Insertion: Olecranion process
What muscle flexes and supinates the forearm?
Biceps brachii
What is the origin and insertion of the Biceps brachii?
Origin: Supraglenoid tubercle and Coracoid process
Insertion: Radial tuberosity
What muscle flexes the wrist and abducts the hand?
Flexor Carpii radialis
What is the origin and insertion of the Flexor Carpii radialis?
Origin: Medial epicondyle of the humerus
Insertion: 2nd and 3rd metacarpals
What muscle extends and addicts the wrist?
Extensor Carpii ulnaris
What is the origin and insertion of the Extensor carpi ulnaris?
Origin: Lateral epicondyle of the humerus
Insertion: 5th metacarpal
Where is the Brachialis located?
In the middle of the upper arm, just below the shoulder, between the Biceps brachii and the Triceps brachii.
Where is the Triceps brachii located?
The muscle closest to the body, on the upper arm and just beneath the shoulder.
Where is the Biceps brachii located?
On the outside of the upper arm, the furthest muscle of that region away from the body
Where is the Flexor Carpii radialis located?
Starting at the inner side of the elbow and ending at the index and middle fingers edges.
Where is the Extensor Carpi ulnaris located?
Starting at the outer side of the elbow and ending at the pinky finger’s edge.
What muscle flexes the lumbar vertebrae (lowest five vertebrae), and compresses the abdomen in forced expirations?
Rectus abdominus
What is the origin and insertion of the Rectus abdominus?
Origin: External surfaces of cartilages of ribs 5-7, Xiphoid process
Insertion: Pubic symphysis and crest
What muscle compresses the abdomen and is the opposite rotator of the thoracic vertebrae?
External obliques
What is the origin and insertion of the External obliques?
Origin: Outer surface of ribs 5-12, interdigitating with serrtia anterior; linea alba
Insertion: Iliac crest, Inguinal ligament
What muscle flexes, adducts, and rotates the arm?
Pectoralis major
What is the origin and insertion of the Pectoralis major?
Origin: Clavicle, sternum, and the cartilage of the first 6 ribs
Insertion: Greater tubercle
What muscle extends the head and shrugs the shoulders?
Trapezius
What is the origin and insertion of the Trapezius?
Origin: Occipital bone and spines of C7 through all thoracic vertebrae
Insertion: Clavicle, and the acromion spind of the scapula
What muscle extends, adducts, and rotates the arm?
Latissumus Dorsi
What is the origin and the insertion of the Latissumus Dorsi?
Origin: Spines of T6-L5, iliac and sacral crests
Insertion: Intertubercular groove
What muscles abducts the arm?
Deltoid
What is the origin and insertion of the Deltoid?
Origin: Clavicle and the acromion and spine of the scapula
Insertion: Deltoid tuberosity
What muscle adducts the thighs and flexes the legs?
Gracilis
What is the origin and insertion of the Gracilis?
Origin: Inferior Ramus and body of the pubic bone
Insertion: Mediao condyle of tibia
What muscle extends the knee?
Vastus intermedius
What is the origin and insertion of the Vastus intermedius?
Origin: 3/4 of dorsal and dorsolateral surface
Insertion: Mid-tibial tuberosity
What muscle extends the knee, displaces the patella medially, and rotates the femur laterally on tibia?
Vastus medialis
What is the origin and insertion of the Vastus medialis?
Origin: 1/4 surface of femoral shaft, from medial intertrochanteric line to near the medial edge of the linea aspera, intermuscular septa
Insertion: Dorsolateral fascia of Vastus intermedius, Medial patella, metal tibial tuberosity
What muscle extends the knee, displaces the patella laterally and rotates the femur medially on the tibia?
Vastus lateralis
What is the origin and insertion of the Vastus lateralis?
Origin: Femoral attachment: a line that runs the length of the linea aspera up to the lateral margin of the greater trochanter and arching across the margin to the dorsal intertrochanter line; Fascia attachment: the dorsal surface of the lateral intermuscular septum
Insertion: Dorsolateral fascia of Vastus intermedius, lateral patella, lateral tibial tuberosity
What muscles is a 2 joint extensor of the knee and flexes the hip?
Rectus femoris
What is the origin and insertion of the Rectus femoris?
Origin: Straight head: anterior inferior iliac spine, Reflected head: cranial lip of acetabulum
Insertion: Joins tendon of vastus intermedius variably at 1/3 its length above the knee, cranial patella, and tibial tuberosity
What muscle flexes the legs and flexes and rotates the thighs?
Sartorius (tailor’s muscle)
What is the origin and insertion of the Sartorius?
Origin: Anterior superior iliac spine
Insertion: medial proximal tibia
Where is the Rectus abdominus located?
Your abs
Where are the External Obliques located?
Outside of the abs on both sides
Where is the Pectoralis major located?
Your “pecks”
Where is the Trapezius located?
Starting from the neck, going out to the shoulder, and down to the center of the body by the sternum (in a V shape)
Where is the Latissumus Dorsi located?
A triangle on the back, starting from the corner of the shoulder to the center near the sternum, then around to the side, and back to the shoulder
Where is the Deltoid located?
Triangle shaped muscle on the shoulder
Where is the Gracilis located?
From the coccyx to the kneecap
Where is the Vastus intermedius located?
Femur area, middle muscle, lateralis on right, medialis on left
Where is the Vastus medialis located?
Femur area, muscle closest to body
Where is the Vastus lateralis located?
Femur area, muscle on the outside, furthest from body
Where is the Rectus femoris located?
In the middle of the Vastus medialis and lateralis (where intermedius is)
Where is the Sartorius located?
S shaped that starts at edge of pelvis, then arches toward body, and connects at side of beneath patella
What muscle includes dorsiflex and inverts the foot?
Tibialis anterior
What is the origin and the insertion of the Tibialis anterior?
Origin: Lateral condyle and body of the tibia
Insertion: 1st metatarsal and tarsal bones
What are the two muscles that make up the Triceps surae?
Gastoenemius and Soleus
What muscle of the Triceps surae includes the plantarflex foot and flexes the leg?
Gastoenemius
What muscle of the triceps surae includes just the plantarflex foot?
Soleus
What is the origin and the insertion of the Gastoenemius?
Origin: Lateral and medial condyles of the femus
Insertion: Calcaneous
What is the origin and insertion of the Soleus?
Origin: Head of the fibula and the medial proximal tibia
Insertion: Calcaneous
What muscle extends the hip during forceful exertion?
Gluteus Maximus
What is the origin and insertion of the gluteus Maximus?
Origin: Sacrum and Ilium
Insertion: Proximal femur
What are the two parts of the Epicranius?
Frontalis and Occipitalis
What muscle controls the eyebrows?
Frontalis
What muscle pulls the scalp posteriorly?
Occipitalis
What is the origin and insertion of the Frontalis?
Origin: Galea aponeurosis
Insertion: skin above supraorbital margin
What is the origin and insertion of the Occipitalis?
Origin: Occipital bone and mastoid process
Insertion: Galea aponeurosis
What muscle elevates (closes) the jaw?
Temporal is
What is the origin and insertion of the Temporalis?
Origin: Temporal bone
Insertion: Coronoid process of mandible
What muscle purses and puckers the lips?
Orbicularis oris
What is the origin and insertion of the Orbicularis oris?
Origin: Fascia associated with the maxillae, mandible, and lips
Insertion: Muscles and skin at angle of the mouth
What muscle compresses the cheek when blowing or sucking?
Buccinator (trumpeter’s muscle)
What muscle elevates the upper lip laterally?
Zygomatic minor
What muscle pulls upward and laterally on the modiolus at the mouth corners?
Zygomatic Major
What is the origin and insertion of the Zygomatic Minor?
Origin: Ventral surface of the zygomatic bone
Insertion: Skin of nasolabial groove and upper lip
What is the origin and insertion of the Zygomatic Major?
Origin: Ventral part of zygomatic arch
Insertion: Modiolus at the corner of the mouth
What muscle closes the eye?
Orbicularis oculi
What is the origin and insertion of the Orbicularis oculi?
Origin: Medial wall of the orbit
Insertion: Tissue of the eyelid
What are the two parts of the Orbicularis oculi?
Pars palpebralis (palitable bundle) and Pars orbitalis (orbital bundle)
What is the origin and insertion of the Pars palpebralis?
Origin: Medial palpebral ligament and adjacent bone
Insertion: adjacent bone
What is the origin and insertion of the Pars orbitalis?
Origin: Medial margin or orbit and ligament
Insertion: Subcutaneous tissue of eyebrow
What muscle closes the jaw?
Masseter
What is the origin and insertion of the Masseter?
Origin: Zygomatic arch
Insertion: Angle and ramus of the mandible
What muscle flexes and rotates the head?
Sternocleidomastoid
What is the origin and insertion of the Sternocleidomastoid?
Origin: Mid-clavic and manubriun of sternum
Insertion: Mastoid process of the temporal bone
Where is the Tibialis anterior located?
Middle of patella to top of middle of foot
Where is the Gastoenemius located?
Back of calves
Where is the Soleus located?
On the outside of the Tibialis anterior on both sides, thin muscle that goes from patella to foot
Where is the Gluteus Maximus located?
Butt Cheeks
Where is the Frontalis located?
Above eyebrows to forehead
Where is the Occipitalis located?
Behind ears, back of head
Where is the Temporalis located?
Where the brain is…?
Where is the Orbicularis oris located?
Lip muscles
Where is the Buccinator located?
Cheek jaw bone
Where is the Zygomatic Major located?
Thin muscle strand from top of jaw to lips
Where is the Zygomatic Minor located?
More inward, bottom of eye to bottom of nose and lips
Where is the Pars palpebralis located?
Eye muscles, closest to the actual eye
Where is the Pars orbitalis located?
Eye muscles, ringed around the palpebralis
Where is the Masseter located?
Edge of jaw
Where is the Sternocleidomastoid located?
Behind ear, drawing down to bottom of neck
