Muscles Flashcards
What is the diaphragm’s insertion point ?
Thoracic wall and the abdominal cavity.
Where are the intercostal muscles Located?
Between the ribs.
What is the fiction of the diaphragm ?
To contract to increase the volume of the thoracic cavity.
What is the function of intercostal muscles?
Lifting of the ribs.
What is the insertion point of the rectus abdominus?
The xiphoid process and the pubis.
What are the four main functions of the rectus abdominis?
Flexion of trunk, child birth, helps to expire and defection.
What is the insertion point of the external obliques ?
Runs along the abdominal walls to the pubis.
What is are the functions of the external obliques ?
Flexion and rotation of the vertebral column , forceful respiration.
What is the function of the pectoralis major?
Medial rotation, flexion, adduction.
Where is the insertion point of the latissimus Doris?
Floor of the humerus.
What is the function of the latissimus dorsi?
Adduction and extension of the humerus.
Where is the supraspinatus located ?
Above the spine of the scapula
Where is the infraspinatus located ?
Below the spine of the scapula
Where is the teres minor located ?
Lateral border of scapula
Where is the subscapularis located ?
Anterior side of the scapula
Where is the insertion point of the trapezius ?
Occipital bone
What are the functions of the trapezius ?
Neck extension and adduction of the scapula.
What do the rhomboid muscles do ?
Minor rotation of the scapula
What does the levator scapulae do?
It elevates the scapula.
What is the origin and insertion?
Coracoid process and the 3-5th true ribs.
What does pectoralis minor do ?
Helps to lift the ribs. (Breathing muscle)
Where does the deltoid attach to ?
The deltoid tuberosity
What is the function of the anterior deltoid?
Flexion and internal rotation
What is the function of the lateral deltoid
Abduction of the humorous
What is the function of the posterior deltoid
External rotation and the extensor of the humor.
Where does the coracobrachialis originate from?
The coracoid process
Where does the coracobrachialis insert
The medial side of the humorous
What is the function of the coracobrachialis?
Adduction of the humerus as well as flexion of the humerus.
What is the function of the teres major
Adduction And flexion
What is the function of the biceps brachii ?
Supination and flexion
Where do the biceps brachii insert
The radial tuberosity
Where does the brachialis insert
It attaches to the coronoid process of the ulna
What is the function of the triceps brachii?
Elbow extension
What is the function of the brachioradialis
The main flexor when the hand is in the supinated position
What is the function of the pronator teres
Pulls on the radius
Name the four muscles that Flex the wrist and fingers
Flexor carpi radialis, Palmaris longus, Flexor Carpi ulnaris, Flexor digitorum superficialis
Name the muscle but adducts the wrist.
Extensor carpi ulnaris
What muscle extends the pinky?
Extensor digit Minimi
What is the function of the gluteus maximus
External rotation and hip extension
What is the function of the gluteus medius
Abduction and internal rotation
What is the function of the gluteus minimus
Abduction and internal rotation
What is the function of the tensor fasciae latae
Stability flexion abduction and medial rotation
What is the function of the Sartorius
Hip flexor knee flexor and laterally rotates the knee
What is the function of the hamstring group
Flexion of the knee and internal rotation of the knee
What is the function of the quadricep group
Knee extensor
What is the function of the extensor digitorum longus
Extension of the Toes
What is the function of the extensor hallucis longus?
Extension of the great toe
What is the function of the tibialis anterior
Dorsiflexion.
