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Shoulder Quiz

Anatomical Kinesiology Muscle, Bone, Ligament, and Movement Quiz

QuestionAnswer
Which muscle(s) originate at the clavicle, acromion, and spine of the scapula? Deltoids
Where are the deltoids inserted? Deltoid tuberosity
Which muscles perform abductions of the shoulder? Deltoids, supraspinatus, and serratus anterior
Where are the deltoids innervated? Axillary C5 and C6
What actions do both rhomboid major and minor perform? Adduct, elevate, and downward rotation of the shoulder girdle
What muscles are innervated at dorsal scapular C4 and C5? Rhomboid major and minor
Where does rhomboid major originate? Spinous process of T2 and T5
Where does rhomboid minor originate? Spinous process of C7 and T2
What muscle(s) are inserted at the medial border of the scapula? Rhomboid major, rhomboid minor, serratus anterior, and levator scapulae
Where does teres major originate? The inferior angle and lower lateral border of the scapula
What muscle is inserted at the crest of the lesser tubercle of the humerus? Teres major, subscapularis
Which muscles perform medial rotation of the scapula? Teres major, subscapularis, and latissimus dorsi
What actions does teres major perform? Extension, adduction, and medial rotation of the scapula
What muscle is innervated at lower subscapular C5, C6, and C7? Teres major
Which muscle is located at the upper 8-9 ribs? Serratus anterior
Where is serratus anterior inserted? The anterior surface of the medial border of the scapula
What actions does serratus anterior perform? Abduction, upward rotation, and depression of the scapula, and holds the medial border of the scapula
What muscle is innervated at the long thoracic nerve? Serratus anterior
Where is the supraspinatus originated? Supraspinous fossa of the scapula
What muscle(s) are inserted at the greater tubercle of the humerus? Supraspinatus, teres minor, and infraspinatus
What actions does supraspinatus perform? Abduction of the shoulder, stabilizes the head of the humerus
What muscle(s) are innervated at the subscapular? Supraspinatus and infraspinatus
What muscle is located at the upper 2/3 of the lateral border of the scapula? Teres minor
What actions does teres minor perform? Lateral rotation and adduction of the shoulder joint, and stabilizes the head of the humerus
What muscle is innervated at axillary C5 and C6? Teres minor
What muscle originates at vertebrae C7 through C12? Trapezius
Where is the trapezius inserted? Clavicle, acromion, and spine of the scapula
What action does the trapezius perform? Extension of the head and neck
What muscle is innervated at the cranial nerves C2, C3, and C4? Trapezius
Where does latissimus dorsi originate? Inferior angle of the scapula, last 3 or 4 ribs, posterior iliac crest, thoracolumbar aponeurosis and the spinous process of the last 6 vertebrae.
What muscle is innervated at thoracodorsal C6, C7, and C8? Latissimus Dorsi
What actions does latissimus dorsi perform? Extension, adduction, and medial rotation of the shoulder
Where is latissimus dorsi inserted? The intertubercular groove of the humerus
Where does the subscapularis originate? The subscapular fossa of the scapula
Where is the subscapularis inserted? The lesser tubercle of the humerus
What actions does the subscapularis perform? Medial rotation of the shoulder and stabilization of the head of the humerus.
What muscle is innervated at the upper and lower subscapular C5 and C6? Subscapularis
What muscle originates at the infraspinous fossa of the scapula? Infraspinatus
What actions does the infraspinatus perform? Lateral rotation and adduction of the shoulder, and stabilization of the head of the humerus
What muscle originates at the transverse process of the 1st-4th cervical vertebrae? Levator scapulae
What actions does the levator scapulae perform? Elevation and downward rotation of the scapula, rotation and lateral flex of the head and neck.
What muscle is innervated at the cervical 3 and 4 and dorsal scapular C4 and C5? Levator scapulae
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