subscapularis, latissimus dorsi, and teres major muscles, are the muscles of which boundary?
Posterior
Which vein runs in the deltopectoral triangle?
Cephalic vein
Extends, adducts and medially rotates the shoulder joint
Latissimus dorsi
Which muscle adducts and medially rotates the shoulder joint and pulls the scapula anteriorly and inferiorly?
pectoralis major
Which of the following does not connect the arm to the pelvic girdle? a) deltoid b) biceps c) subclavius d) subscapularis e) supraspinatus
c) subclavius
Which muscles make up the anterior boundary of the axilla?
Pectoralis major and pectoralis minor
Superior boundary of the quadrangular space
Teres minor
Which muscle arises from the 3rd, 4th and 5th rib?
Muscle that holds scapula against posterior thoracic wall
serratus anterior
The ______ (clavicular/spinal) head of the deltoid flexes and medially rotates the shoulder joint while the _______ (clavicular/spinal) head of the deltoid extends and laterally rotates he shoulder joint
clavicular, spinal
What makes up the boundary of the cervico-axillary canal?
Rib 1, clavicle, superior border of scapula
Which space contains the axillary nerve and posterior humeral circumflex artery and vein?
Quadrangular space
The nerve supply of infraspinatus is the _____
suprascapular nerve
The nerve supply for Trapezius
Spinal accessory nerve XI and C3, C4 spinal nerves
Name all the muscles that attach to the coracoid process of the scapula
pectoralis minor, coracobrachialis, biceps brachii
What is the medial wall of the axilla?
Thoracic wall and serratus anterior
Lateral boundary of triangular space
long head, triceps brachii
Four muscles attach to the medial border.
Serratus anterior, levator scapulae, rhomboid minor, rhomboid major
Superior rotation of the scapula is achieved by______
the trapezius- ascending & descending part
The __________ nerve supplies the deltoid muscle and teres minor
The axillary nerve
Which structures are included in the contents of the axilla?
Radial nerve, Profunda brachii artery
Which nerve roots are injured if the result is winging of the scapula?
C5-C7
The dorsal scapular nerve supplies which three muscles?
rhomboid major, rhomboid minor and levator scapulae
A 45-year-old man is unable to initiate abduction of the arm following reduction of a dislocated shoulder. Damage to which nerve is most likely to be responsible for this condition: a) the suprascapular nerve b) the long thoracic nerve c) the radial nerve d) the infrascapular nerve e) the axillary nerve
a) the suprascapular nerve