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Notes – Arm muscles Power point time “The most effective way to cope with change is to help create it.” L.W. Lynett . Title: Anat & Phys 1/26/07 Class Topics Objectives: Friday, March 7, 2014 9:18 AM Class Assignments What By When Lab Practical II 2/5/07 Due this class period

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class topics
Notes – Arm muscles

Power point time

“The most effective way to cope with change is to help create it.”

L.W. Lynett

.

Title: Anat & Phys 1/26/07

Class Topics

Objectives:

Friday, March 7, 20149:18 AM

class assignments
Class Assignments

What

By When

  • Lab Practical II 2/5/07
  • Due this class period
  • Due next class period
  • Due in the future
power point
Power Point
  • One slide for each muscle identified in the cat
  • The muscle must be labeled
    • Either by an arrow, a number or by name on the picture
  • This is mostly for your review purposes!
muscles to be identified in the cat
Pectoantebrachialis

Pectoralis major

Pectoralis minor

Xiphihumeralis

Serratus anterior

Latissimus dorsi

Spinotrapezius

Acromiotrapezius

Clavotrapezius

Rhomboidius major

Rhomboideus minor

Levator Scapulae

Teres major

Clavobrachialis

Acromiodeltoid

Spinodeltoid

Sternomastoid

Cleidomastoid

Sternohyoid

Digastric

Muscles to be identified in the cat
slide5

From: http://www.bio.psu.edu/people/faculty/strauss/anatomy/musc/upperarm.htm

biceps brachii
Biceps brachii
  • Attachments
    • short head
      • coracoid process
    • long head
      • glenoid tuberosity (glenoid cavity)
    • Radial tuberosity
    • Bicepital aponeurosis
  • Action
    • Flexes forearm
triceps brachii
Triceps brachii
  • Attachments
    • Proximal
      • Lateral head
        • superior margin of humerus
      • Long head
        • Glenoid tuberosity (Glenoid cavity)
      • medial head
        • Humerus
    • Distal
      • Olecranon process
  • Action
    • Extends forearm
epitrochlearis
Epitrochlearis
  • Only in cat
  • Covers the triceps brachii
brachioradialis
Brachioradialis
  • Attachments
    • Lateral epicondyle of humerus
    • Styloid process of radius
  • Actions
    • Flexes forearm
brachialis
Brachialis
  • Attachments
    • distal surface of humerus (shaft)
    • Coronoid process of ulna
  • Actions
    • Flexes forearm
rectus abdominis
Rectus Abdominis
  • Attachments
    • Pubic symphysis
    • Xiphoid process, costal cartilage of ribs 5-7
  • Actions
    • Flexes vertebral column
    • depresses ribs
external oblique
External Oblique
  • Attachments
    • Lower eight ribs
    • linea alba, and iliac crest
  • Actions
    • compresses abdomen, flexes or bends spine
internal oblique
Internal Oblique
  • Attachments
    • Lumbodorsal fascia, iliac crest
    • Lower ribs, xiphoid process, linea alba
  • Actions
    • Same as external oblique
transverse abdominis
Transverse Abdominis
  • Attachments
    • Lower ribs, iliac crest, lumbodorsal fascia
    • Linea alba, pubis
  • Actions
    • compresses abdomen
dissection activities
Dissection activities
  • Continue dissection of arm muscles
  • Dissection of abdominal muscles
    • Have to go through thick fascia to get to rectus abdominis
    • External oblique is already visible
      • You must CUT through the external oblique to get to internal oblique and transverse abdominis
        • Check the direction the fibers are running!
lab practical ii
Biceps brachii

Triceps brachii

Long head

Lateral head

Medial head

Epitrochlearis

Brachialis

Brachioradialis

Rectus abdominis

Internal oblique

External oblique

Transverse abdominis

Lab Practical II

As well as all muscles

from Lab Practical I