1. Chapter 11, part 4
The Muscular System

2. Muscles that affect the elbow
Biceps brachii muscle
Triceps brachii muscle
Brachialis and brachioradialis flex the elbow
Aconeus muscle extends the elbow

3. Muscles that affect the wrist
Flexion of the wrist
Flexor carpi ulnaris
Flexor carpi radialis
Palmaris longus
Extension of the wrist
Extensor carpi radialis
Extensor carpi ulnaris

4. Figure 11.16 Muscles that Move the Forearm and Hand
Figure 11.16a

5. Figure 11.16 Muscles that Move the Forearm and Hand
Figure 11.16b

6. Muscles that affect the forearm
Pronation of the forearm
Pronator teres muscle
Pronator quadratus muscle
Supination of the forearm
Supinator muscle
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Animation: Muscles of the shoulders and upper limbs

7. Figure 11.17 Muscles that Move the Hand and Fingers
Figure 11.17a, b

8. Figure 11.17 Muscles that Move the Hand and Fingers
Figure 11.17c, d

9. Figure 11.18 Intrinsic that Move the Hand and Fingers
Figure 11.18a

10. Figure 11.18 Intrinsic that Move the Hand and Fingers
Figure 11.18b

11. Muscles of the pelvis and lower limbs
Gluteal muscles cover the lateral surfaces of the ilia
Gluteus maximus (shares an insertion with the tensor fasciae latea)
Pulls on the iliotibial tract

12. Figure 11.19 Muscles that Move the Thigh
Figure 11.19a, c

13. Figure 11.19 Muscles that Move the Thigh
Figure 11.19c, d

14. Lateral rotators of the leg
Piriformis muscle
Obturator muscles
Adductors perform a variety of functions

15. Iliopsoas muscle
Formed from the merging of the psoas major and the iliacus muscles
Powerful flexor of the hip

16. Figure 11.20 Muscles that Move the Leg
Figure 11.20a

17. Figure 11.20 Muscles that Move the Leg
Figure 11.20b, c