Muscles Flashcards
(48 cards)
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
