Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format...
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Transcript of Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format...
![Page 1: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/1.jpg)
Lab 20
Muscles of the shoulders, arm, and hand
![Page 2: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/2.jpg)
Quiz for next week
• Tuesday or Thursday?
• Same format as today
• Know Upper Arm, Lower Arm, Hip and Thigh, Upper Leg and Lower Leg
![Page 3: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/3.jpg)
Muscles to know
• supraspinatus• infraspinatus• subscapularis• teres major• rhomboid• levator scapulae• deltoid• biceps brachii• brachialis
• triceps brachii• flexor carpi radialis• flexor carpi ulnaris• flexor digitorum sup.• extensor carpi ulnaris• extensor digitorum• extensor carpi radialis• brachioradialis
![Page 4: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/4.jpg)
Cut activity 4
• Only hand muscles you need to know are not explicitly mentioned in the lab (but they do appear in the pictures):– flexor pollicus longus– extensor pollicis longus
![Page 5: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/5.jpg)
Muscles that Move the Arm
Figure 11–15a
![Page 6: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/6.jpg)
Muscles that Move the Arm
Figure 11–15b
![Page 7: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/7.jpg)
Muscles that Move the Arm (1 of 3)
• Deltoid: – the major abductor
• Supraspinatus: – assists deltoid
• Subscapularis and teres major: – produce medial rotation at shoulder
![Page 8: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/8.jpg)
Muscles that Move the Arm (2 of 3)
• Infraspinatus: – produce lateral rotation at shoulder
![Page 9: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/9.jpg)
Muscles that Move the Arm (3 of 3)
• Pectoralis major: – between anterior chest and greater tubercle of
humerus– produces flexion at shoulder joint
• Latissimus dorsi:– between thoracic vertebrae and humerus– produces extension at shoulder joint
![Page 10: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/10.jpg)
The Rotator Cuff
• Muscles involved in shoulder rotation– supraspinatus, subscapularis, infraspinatus,
teres minor,and their tendons
![Page 11: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/11.jpg)
Summary: Muscles that Move the Arm
Table 11–12
![Page 12: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/12.jpg)
Muscles that Position the Pectoral Girdle
• Rhomboid and levator scapulae:– deep to trapezius– attach to cervical and thoracic vertebrae– insert on scapular border
![Page 13: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/13.jpg)
Muscles that Move the Forearm and Hand
• Originate on humerus and insert on forearm
• Exceptions:– the major flexor (biceps brachii)– the major extensor (triceps brachii)
![Page 14: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/14.jpg)
Extensors and Flexors
• Extensors:– mainly on posterior and lateral surfaces of
arm
• Flexors:– mainly on anterior and medial surfaces
![Page 15: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/15.jpg)
Muscles that Move the Forearm and Hand
• Biceps brachii:– flexes elbow– stabilizes shoulder joint– originates on scapula and humerus– inserts on radial tuberosity
![Page 16: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/16.jpg)
Muscles that Move the Forearm and Hand
• Triceps brachii:– extends elbow– originates on scapula (three spots)– inserts on olecranon
• Brachialis and brachioradialis:– assist in flexing elbow (synergists)
![Page 17: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/17.jpg)
Muscles that Move the Forearm and Hand -Extensors
Figure 11–16a
![Page 18: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/18.jpg)
Muscles that Move the Forearm and Hand - Flexors
Figure 11–16b
![Page 19: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/19.jpg)
Muscles that Move the Forearm and Hand
• Flexor carpi ulnaris: – superficial– flexes wrist– adducts wrist
![Page 20: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/20.jpg)
Muscles that Move the Forearm and Hand
• Flexor carpi radialis: – superficial– flexes wrist– abducts wrist
![Page 21: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/21.jpg)
Muscles that Move the Forearm and Hand
• Extensor carpi radialis:– superficial– extends wrist– abducts wrist
![Page 22: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/22.jpg)
Muscles that Move the Forearm and Hand
• Extensor carpi ulnaris:– superficial– extends wrist– adducts wrist
![Page 23: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/23.jpg)
Figure 11–16a
![Page 24: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/24.jpg)
Figure 11–16b
![Page 25: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/25.jpg)
Summary: Muscles that Move the Forearm and Hand
Table 11–13 (1 of 2)
![Page 26: Lab 20 Muscles of the shoulders, arm, and hand. Quiz for next week Tuesday or Thursday? Same format as today Know Upper Arm, Lower Arm, Hip and Thigh,](https://reader035.fdocuments.net/reader035/viewer/2022062422/56649ef65503460f94c0aa5a/html5/thumbnails/26.jpg)
Today
• Work through lab 20
• Relevant parts of lab reports due Next Week