BIOD 151 MODULE 5 EXAM SCRIPT 2026
COMPLETE QUESTIONS AND CORRECT
ANSWERS
◉ Pectoralis Minor. Answer: Origin: ribs 3-5
Insertion: coracoid process of scapula
Action: elevates ribs, draws scapula down and medially
Innervation: medial pectoral nerve
◉ Serratus Anterior. Answer: Origin: upper 8-9 ribs
Insertion: medial border of scapula
Action: protraction of scapula
Innervation: long thoracic nerve
, ◉ What are the muscles of the rotator cuff?. Answer: Supraspinatus,
infraspinatus, teres minor and subscapularis
◉ Deltoid (anterior, posterior, middle). Answer: Origin: clavicle and
scapula
Insertion: deltoid tuberosity of humerus
Action: abduction at shoulder (whole muscle)
Innervation: axillary nerve
◉ Pectoralis Major. Answer: Origin: ribs 2-6, body of sternum
Insertion: greater tubercle of humerus
Action: flexion, adduction and medial rotation at shoulder
Innervation: pectoral nerves
◉ Supraspinatus. Answer: Origin: supraspinatus fossa of scapula
COMPLETE QUESTIONS AND CORRECT
ANSWERS
◉ Pectoralis Minor. Answer: Origin: ribs 3-5
Insertion: coracoid process of scapula
Action: elevates ribs, draws scapula down and medially
Innervation: medial pectoral nerve
◉ Serratus Anterior. Answer: Origin: upper 8-9 ribs
Insertion: medial border of scapula
Action: protraction of scapula
Innervation: long thoracic nerve
, ◉ What are the muscles of the rotator cuff?. Answer: Supraspinatus,
infraspinatus, teres minor and subscapularis
◉ Deltoid (anterior, posterior, middle). Answer: Origin: clavicle and
scapula
Insertion: deltoid tuberosity of humerus
Action: abduction at shoulder (whole muscle)
Innervation: axillary nerve
◉ Pectoralis Major. Answer: Origin: ribs 2-6, body of sternum
Insertion: greater tubercle of humerus
Action: flexion, adduction and medial rotation at shoulder
Innervation: pectoral nerves
◉ Supraspinatus. Answer: Origin: supraspinatus fossa of scapula