2. THE APPENDICULAR MUSCLES Exercise # 16,17 Pages #191,209 MARTINI, 9 TH EDITION, CHAPTER # 11

3. 12/18/20152 NOTE: This is a study guide, not an all inclusive review. There might be things not covered by this study guide that might be asked in your practicums / quizzes. Students are responsible for reading their textbook (s) and for all the material covered during the laboratory period, as per the course syllabus

4. Muscular System Overview Divisions of the Muscular System – Axial muscles Position head and spinal column Move rib cage 60% of skeletal muscles – Appendicular muscles Support pectoral and pelvic girdles Support limbs 40% of skeletal muscles

5. Appendicular Musculature Position and stabilize pectoral and pelvic girdles Move upper and lower limbs Divisions of Appendicular Muscles – Muscles of the shoulders and upper limbs – Muscles of the pelvis and lower limbs

6. Competency 5: The Muscular System Identifying the muscles of appendicular region and their actions. 12/18/20155

7. 6 ARM & FOREARM- ANTERIOR VIEW BICEPS BRACHII- Flexion of forearm at elbow & supination of the hand BRACHIORADIALIS- Flexion of forearm at elbow BRACHIALIS- Flexion of forearm at elbow PRONATOR TERES- Pronation of the hand SUPINATOR- Supination of the hand

8. 12/18/2015ALFONSO A. PINO. MD.7

9. 12/18/2015ALFONSO A. PINO. MD.8

10. 12/18/20159 ARM & FOREARM- POSTERIOR VIEW TRICEPS BRACHII- Extension of the forearm at elbow

11. 12/18/2015ALFONSO A. PINO. MD.10

12. 12/18/201511 THIGH- ANTERIOR VIEW THIGH- ANTERIOR VIEW PSOAS MAJOR- Flexion at hip & or lumbar intervertebral joints. ILIACUS- Same as above. SARTORIUS- Flexion & lateral rotation at hip; flexion at knee. TENSOR FASCIAE LATAE- Flexion & medial rotation at hip.

13. 12/18/2015ALFONSO A. PINO. MD.12

14. 12/18/2015ALFONSO A. PINO. MD.13

15. 12/18/201514 THIGH- MEDIAL VIEW THIGH- MEDIAL VIEW ADDUCTORS (From anterior to posterior) LONGUS- Adduction, flexion & medial rotation at hip GRACILIS- Adduction & medial rotation at hip; flexion at knee MAGNUS- Adduction, flexion, medial & lateral rotation at hip

16. 12/18/2015ALFONSO A. PINO. MD.15

17. 12/18/201516 THIGH- ANTERIOR VIEW QUADRICEPS (4 MUSCLES) RECTUS FEMORIS (In front)- extension at knee; Flexion at hip VASTUS LATERALIS- Extension at knee VASTUS MEDIALIS- Extension at knee VASTUS INTERMEDIUS- (Down to rectus femoris) Extension at knee

18. 12/18/2015ALFONSO A. PINO. MD.17

19. LEG- POSTERIOR VIEW LEG- POSTERIOR VIEW GLUTEUS MAXIMUS- Extension & lateral rotation at hip GLUTEUS MEDIUS- Abduction & medial rotation at hip HAMSTRINGS- (From lateral to medial) BICEPS FEMORIS- Flexion at knee, extension &lateral rotation at hip SEMITENDINOUS- Flexion at knee ; flexion &medial rotation at hip SEMIMEMBRANOUS- Flexion at knee; flexion &medial rotation at hip POPLITEUS- (Deep on back side of knee)- medial rotation of tibia or lateral rotation of femur at knee

20. 12/18/2015ALFONSO A. PINO. MD.19

21. 12/18/201520 ACTION AT ANKLE POSTERIOR VIEW GASTROCNEMIUS- (Most superficial of calf)- Plantar flexion at ankle; inversion & adduction of foot; flexion at knee SOLEUS- (Under the gastrognemius)- Plantar flexion at ankle; adduction of foot ANTERIOR VIEW PERONEUS LONGUS- Eversion of foot; plantar flexion at knee TIBIALIS ANTERIOR- Dorsiflexion & inversion

22. 12/18/2015ALFONSO A. PINO. MD.21

23. 12/18/201522 REMEMBER! GO TO THE TUTORING ROOM AND PRACTICE WITH MODELS. ROOM 3326.