BSC 2085 Lab 8 PDF - Shoulder, Arm, Leg, and Hip Muscles

BSC 2085 Lab 8 SHOULDER, ARM, LEG AND HIP MUSCLES Hernan Aviles  SHOULDER MUSCLES ◼ provide stability to the shoulder ◼ all originate in the scapula and insert in the humerus ◼ tendons from all muscles but teres major form the rotator cuff  POSTERIOR VIEW ◼ (A)su...

BSC 2085 Lab 8 SHOULDER, ARM, LEG AND HIP MUSCLES Hernan Aviles  SHOULDER MUSCLES ◼ provide stability to the shoulder ◼ all originate in the scapula and insert in the humerus ◼ tendons from all muscles but teres major form the rotator cuff  POSTERIOR VIEW ◼ (A)supraspinatus (abduction) ◼ (B) infraspinatus (lateral rotation) ◼ (C) teres minor (lateral rotation & aducction) ◼ (D) teres major (medial rotation, adduction, extension)  ANTERIOR VIEW ◼ (E) subscapularis (medial rotation) 2 SHOULDER ANTERIOR VIEW SHOULDER POSTERIOR VIEW A A B C E D D 3  ARM MUSCLES A ◼ (A) deltoid ◼ (B) biceps brachii B D ◼ (C) brachialis C ◼ (D) triceps brachii ◼ (E) brachioradialis E 4 A B D C E 5  FOREARM ANTERIOR MUSCLES F E ◼ flexors G H ◼ all but brachioradialis I originate in medial epicondile ◼ (E) brachioradialis ◼ (F) pronator teres ◼ (G) flexor carpi radialis ◼ (H) palmaris longus ◼ (I) flexor carpi ulnaris 6  F E G H I 7  FOREARM POSTERIOR MUSCLES E ◼ extensors J ◼ all originate in lateral epicondile ◼ (E) brachioradialis K M ◼ (J) extensor carpi radialis longus L ◼ (K) extensor carpi radialis brevis ◼ (L) extensor digitorium N ◼ (M) extensor carpi ulnaris ◼ (N) pollicis ◼ abductor pollicis longus ◼ extensor pollicis brevis ◼ extensor pollicis longus 8 A F E E G J H B D I C K M L E J N K L N 9  HIP MUSCLES ◼ provide stability to the hip (ball-and–socked) ◼ POSTERIOR VIEW  (1) gluteus maximus  (2) gluteus medius  (3) gluteus minimus  (4) piriformis  (5) superior gemellus  (6) obturator internus  (7) inferior gemellus ◼ ANTERIOR VIEW  (8) Iliopsoas ◼ (8.1) psoas major ◼ (8.2) iliacus 10  HIP ANTERIOR VIEW HIP POSTERIOR VIEW 8.2 2 8.1 3 4 8 6 2 5 7 11  THIGH MUSCLES ◼ ANTERIOR VIEW  (9) quadriceps ◼ (9.1) rectus femoris ◼ (9.2) vastus intermedius ◼ (9.3) vastus lateralis ◼ (9.4) vastus medialis  (10) Sartorius ◼ LATERAL VIEW  (11) tensor fascia latae ◼ MEDIAL VIEW  (12) pectineus  (13) adductor longus  (14) gracilis ◼ POSTERIOR VIEW (HAMSTRING)  (15) biceps femoris  (16) semitendinosus  (17) semimembranosus 12 ANTERIOR LATERAL MEDIAL POSTERIOR 12 11 13 9 10 14 11 9.1 15 16 9.4 9.3 17 13 14  LEG MUSCLES ◼ (18) tibialis anterior ◼ (19) extensor 22 digitorium longus 21 ◼ (20) fibularis longus ◼ (21) soleus ◼ (22) gastrocnemius 20 18 19 15 16 17