Anatomy Colloq upper Flashcards
Most of the muscles that act on the shoulder girdle and upper limb joints are supplied by branches of the brachial plexus. Which of the following is not?
trapezius teres minor latissimus dorsi rhomboid major levator scapulae
trapezius
Increasing the muscle mass and tone is the aim of many people who workout at the gym. This is done by contracting the muscle against resistance. If you want to increase the muscle mass of the latissimus dorsi muscle, which of the following actions would you be most likely to perform?
depression of the scapula abduction of the arm extension of the arm flexion of the arm lateral rotation of the arm
extension of the arm
The long head of the biceps brachii muscle arises from the:
infraglenoid tubercle acromion process acromion process coracoid process clavicle supraglenoid tubercle
supraglenoid tubercle
The major function of the muscles in the anterior compartment of the forearm is
abduction flexion adduction medial rotation lateral rotation
flexion
In this patient, paralysis of the supinator muscle only slightly affects the ability to supinate due to the unimpaired action of the….
biceps brachii
Which of the following muscles does NOT rotate the arm medially (or internally)?
subscapularis supraspinatus latissimus dorsi pectoralis major anterior fibers of the deltoid
Supraspinatus
Damage to the coracobrachialis muscle would weaken which motion of the arm and forearm?
extension rotation flexion supination abduction
Flexion
The uppermost part of the rotator cuff of the shoulder is the tendon of the
deltoid teres minor teres major subscapularis supraspinatus
supraspinatus
Which of the following muscles is a lateral rotator of the arm? Infraspinatus subscapularis latissimus dorsi teres major anterior fibers of the deltoid
infraspinatus
Which of the following wrist bones is found in the proximal row?
Trapezium Trapezoid Capitate Hamate Pisiform Scaphoid
Scaphoid
The muscle that forms the bulk of the anterior axillary fold is the: latissimus dorsi pectoralis major subscapularis teres major teres minor
Pectoralis major
The infraglenoid tubercle serves as an attachment for the: long head of the biceps long head of the triceps medial head of the triceps coracobrachialis subscapularis
long head of the triceps
A physical sign known as “winged scapula” suggests the loss of function to which of the following muscles?
rhomoid major levator scapulae latissimus dorsi serattus anterior trapezius
Serratus anterior
Medial wall of the axilla is formed by which of the following muscles?
Serattus anterior
The lateral boundary of the cubital fossa is formed by the:
flexor carpi radialis tendon of the biceps muscle brachialis muscle brachioradialis pronator teres
brachioradialis
