muscle Attachment Of The Humerus Flashcards
(37 cards)
What is the anatomical term for the upper arm bone?
Humerus
True or False: The humerus articulates with the scapula at the shoulder joint.
True
Which muscle attaches to the greater tubercle of the humerus?
Supraspinatus
Fill in the blank: The _____ is the muscle responsible for flexing the elbow and attaches to the coronoid process of the ulna.
Biceps brachii
What muscle attaches to the lesser tubercle of the humerus?
Subscapularis
Which muscles are known to insert at the deltoid tuberosity of the humerus?
Deltoid muscle
True or False: The triceps brachii originates from the humerus.
False
What is the primary action of the rotator cuff muscles?
Stabilizing the shoulder joint
Which part of the humerus is associated with the attachment of the teres major muscle?
Medial lip of the intertubercular sulcus
Which muscle is responsible for the extension of the elbow and attaches to the olecranon?
Triceps brachii
What is the name of the groove on the humerus where the biceps tendon runs?
Intertubercular sulcus
True or False: The brachialis muscle attaches to the anterior surface of the humerus.
True
What is the function of the coracobrachialis muscle?
Flexion and adduction of the arm
Which muscle originates from the lateral border of the scapula and attaches to the humerus?
Teres minor
Fill in the blank: The muscle that inserts on the medial condyle of the humerus is the _____ muscle.
Flexor carpi ulnaris
What muscle attaches to the lateral epicondyle of the humerus?
Extensor carpi radialis brevis
True or False: The pectoralis major muscle attaches to the humerus.
True
Which muscle has its origin at the spinous processes of the thoracic vertebrae and attaches to the humerus?
Latissimus dorsi
What is the primary function of the deltoid muscle?
Abduction of the arm
Which muscle is responsible for medial rotation of the arm and attaches to the lesser tubercle of the humerus?
Subscapularis
Fill in the blank: The _____ muscle attaches to the humerus and is involved in shoulder flexion.
Pectoralis major
Which rotator cuff muscle is responsible for external rotation of the arm?
Infraspinatus
True or False: The humerus has a head that articulates with the radius.
False
What is the name of the muscle that originates from the supraglenoid tubercle and attaches to the radial tuberosity?
Biceps brachii