Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

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Multiple Choice

Which two muscles insert on the fifth phalanx or the fifth metatarsal of the foot?

Tibialis anterior and peroneus longus

Extensor digitorum longus and flexor digitorum brevis

Flexor hallucis longus and extensor hallucis brevis

Abductor digiti minimi and flexor digiti minimi brevis

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Verified step by step guidance

Step 1: Understand the anatomical terminology. The fifth phalanx refers to the fifth toe, and the fifth metatarsal is the bone in the foot associated with the fifth toe. Muscles that insert on these structures are responsible for movements of the little toe.

Step 2: Review the muscle actions and insertions. The abductor digiti minimi is responsible for abducting the fifth toe, and it inserts on the lateral side of the fifth phalanx. The flexor digiti minimi brevis flexes the fifth toe and inserts on the base of the fifth phalanx.

Step 3: Eliminate incorrect options by analyzing their insertions. For example, the tibialis anterior and peroneus longus insert on the medial cuneiform and first metatarsal, not the fifth metatarsal or phalanx. Similarly, the flexor hallucis longus and extensor hallucis brevis act on the big toe (hallux), not the fifth toe.

Step 4: Confirm the correct answer by matching the insertion points of the abductor digiti minimi and flexor digiti minimi brevis to the fifth phalanx or fifth metatarsal. These muscles are specifically associated with the fifth toe.

Step 5: Conclude that the correct answer is 'Abductor digiti minimi and flexor digiti minimi brevis,' as these are the muscles that insert on the fifth phalanx or fifth metatarsal of the foot.