BIOS252 WEEK 7 EXAM FINAL TEST PAPER
2026 FULL QUESTIONS AND SOLUTIONS
VERIFIED A+
◉ Scapular Muscles that move the Humerus. Answer: Deltoid,
subscapularis, Supraspinatus, Infraspinatus, Teres major,Teres
minor
◉ Deltoid. Answer: Insertion: deltoid tuberosity
Action: Abducts arm
Innervation: Axillary nerve
◉ Subscapularis. Answer: insertion: lesser tubercle of humerus
Action: Medially roates arm
◉ Supraspinatus. Answer: Insertion: Greater tubercle of humerus
Action: Assists deltoid muscle in abducting arm
Innveration: Suprascapular nerve
◉ Infraspinatus. Answer: Insertion: Greater tubercle of humerus
ACtion: Laterally rotates arm at shoulder joint
Innveration: Suprascapular nerve
,◉ Teres Major. Answer: origin: inferior angle of scapula
Insertion: Medial lip of intertubercular sulcus of humerus
Action: Extends arm
Innveration: Lower Subscapular nerve
◉ Teres minor. Answer: Origin: Inferior lateral border of scapular
Insertion: Greater tubercle of humerus
Action: Laterally roates and extends arm
Inveration: Axillary nerve
◉ Muscles of arm. Answer: biceps brachii, brachialis, triceps brachii
◉ Biceps Brachii. Answer: Origin: Long head from tubercle above
glenoid cavity; short head from coracoid process of scapula
Insertion: Radial tuberosity
Action: Flexes forearm at the elbow; flexes the arm at the shoulder
◉ Brachioradialis. Answer: Action: Flexes elbow and supinates and
pronates forearm
,◉ triceps brachii. Answer: Origin: Glenoid and proximal head of the
humerus
Insertion: olecranon of ulna
Action: Extend forarm
Innveation: Radial Nerve
◉ Lower Extremity ( Origin on Pelvis). Answer: lliopsoas, sartorius,
tensor fasciar latae, gluteus medius, gluteus maximus, gluteus
minimus
piriformis
◉ lliopsoas. Answer: flexes thigh or trunk
◉ Sartorius. Answer: Origin: ASIS
Insertion: Tibia
◉ Tensor Fasciar Latae. Answer:
◉ Gluteus Medius. Answer: abducts and medially rotates thigh
◉ Gluteus Maximus. Answer: extends thigh
, ◉ Gluteus Minius. Answer:
◉ Piriformis. Answer: Action: Externally roates leg
◉ Thigh Anterior Quadriceps. Answer: Rectus femoris, Vastus
lateralis, Vastus medialis, Vastus intermedius
◉ Rectus Femoris. Answer: Origin: Acetabulum
Insertion: Tibia
ACtion: Extend the knee and flexes the hip joint
◉ vastus lateralis. Answer: Origin: Greater Trochanter
Insertion: Tibia
◉ vastus medialis. Answer: Origin: Linea aspera
Insertion: Tibia
◉ vastus intermedius. Answer: Origin: Femur
Insertion: Tibia
◉ Thigh Posterior Hamstrings. Answer: Ischial tuberosity,
Semitendinosus, semimembranosus
2026 FULL QUESTIONS AND SOLUTIONS
VERIFIED A+
◉ Scapular Muscles that move the Humerus. Answer: Deltoid,
subscapularis, Supraspinatus, Infraspinatus, Teres major,Teres
minor
◉ Deltoid. Answer: Insertion: deltoid tuberosity
Action: Abducts arm
Innervation: Axillary nerve
◉ Subscapularis. Answer: insertion: lesser tubercle of humerus
Action: Medially roates arm
◉ Supraspinatus. Answer: Insertion: Greater tubercle of humerus
Action: Assists deltoid muscle in abducting arm
Innveration: Suprascapular nerve
◉ Infraspinatus. Answer: Insertion: Greater tubercle of humerus
ACtion: Laterally rotates arm at shoulder joint
Innveration: Suprascapular nerve
,◉ Teres Major. Answer: origin: inferior angle of scapula
Insertion: Medial lip of intertubercular sulcus of humerus
Action: Extends arm
Innveration: Lower Subscapular nerve
◉ Teres minor. Answer: Origin: Inferior lateral border of scapular
Insertion: Greater tubercle of humerus
Action: Laterally roates and extends arm
Inveration: Axillary nerve
◉ Muscles of arm. Answer: biceps brachii, brachialis, triceps brachii
◉ Biceps Brachii. Answer: Origin: Long head from tubercle above
glenoid cavity; short head from coracoid process of scapula
Insertion: Radial tuberosity
Action: Flexes forearm at the elbow; flexes the arm at the shoulder
◉ Brachioradialis. Answer: Action: Flexes elbow and supinates and
pronates forearm
,◉ triceps brachii. Answer: Origin: Glenoid and proximal head of the
humerus
Insertion: olecranon of ulna
Action: Extend forarm
Innveation: Radial Nerve
◉ Lower Extremity ( Origin on Pelvis). Answer: lliopsoas, sartorius,
tensor fasciar latae, gluteus medius, gluteus maximus, gluteus
minimus
piriformis
◉ lliopsoas. Answer: flexes thigh or trunk
◉ Sartorius. Answer: Origin: ASIS
Insertion: Tibia
◉ Tensor Fasciar Latae. Answer:
◉ Gluteus Medius. Answer: abducts and medially rotates thigh
◉ Gluteus Maximus. Answer: extends thigh
, ◉ Gluteus Minius. Answer:
◉ Piriformis. Answer: Action: Externally roates leg
◉ Thigh Anterior Quadriceps. Answer: Rectus femoris, Vastus
lateralis, Vastus medialis, Vastus intermedius
◉ Rectus Femoris. Answer: Origin: Acetabulum
Insertion: Tibia
ACtion: Extend the knee and flexes the hip joint
◉ vastus lateralis. Answer: Origin: Greater Trochanter
Insertion: Tibia
◉ vastus medialis. Answer: Origin: Linea aspera
Insertion: Tibia
◉ vastus intermedius. Answer: Origin: Femur
Insertion: Tibia
◉ Thigh Posterior Hamstrings. Answer: Ischial tuberosity,
Semitendinosus, semimembranosus
