“The most effective way to cope with change is to help create it.” 11/15/2018 Title: Anat & Phys 1/26/07 Objectives: . Class Topics Notes – Arm muscles Power point time “The most effective way to cope with change is to help create it.” L.W. Lynett Thursday, November 15, 2018 4:20 PM

Due this class period Due next class period Due in the future 11/15/2018 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 One slide for each muscle identified in the cat 11/15/2018 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 11/15/2018 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

11/15/2018 From: http://www.bio.psu.edu/people/faculty/strauss/anatomy/musc/upperarm.htm

Biceps brachii Attachments Action short head long head 11/15/2018 Biceps brachii Attachments short head coracoid process long head glenoid tuberosity (glenoid cavity) Radial tuberosity Bicepital aponeurosis Action Flexes forearm

From: http://www.bodybuilding.com/fun/exercises.htm 11/15/2018 From: http://www.bodybuilding.com/fun/exercises.htm

Triceps brachii Attachments Action Proximal Distal Extends forearm 11/15/2018 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

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11/15/2018 Epitrochlearis Only in cat Covers the triceps brachii

Brachioradialis Attachments Actions Lateral epicondyle of humerus 11/15/2018 Brachioradialis Attachments Lateral epicondyle of humerus Styloid process of radius Actions Flexes forearm

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Brachialis Attachments Actions distal surface of humerus (shaft) 11/15/2018 Brachialis Attachments distal surface of humerus (shaft) Coronoid process of ulna Actions Flexes forearm

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From: http://www.bodybuilding.com/fun/exercises.htm 11/15/2018 From: http://www.bodybuilding.com/fun/exercises.htm

Rectus Abdominis Attachments Actions Pubic symphysis 11/15/2018 Rectus Abdominis Attachments Pubic symphysis Xiphoid process, costal cartilage of ribs 5-7 Actions Flexes vertebral column depresses ribs

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External Oblique Attachments Actions Lower eight ribs 11/15/2018 External Oblique Attachments Lower eight ribs linea alba, and iliac crest Actions compresses abdomen, flexes or bends spine

Internal Oblique Attachments Actions Lumbodorsal fascia, iliac crest 11/15/2018 Internal Oblique Attachments Lumbodorsal fascia, iliac crest Lower ribs, xiphoid process, linea alba Actions Same as external oblique

Transverse Abdominis Attachments Actions 11/15/2018 Transverse Abdominis Attachments Lower ribs, iliac crest, lumbodorsal fascia Linea alba, pubis Actions compresses abdomen

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Dissection activities 11/15/2018 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 Epitrochlearis 11/15/2018 Lab Practical II Biceps brachii Triceps brachii Long head Lateral head Medial head Epitrochlearis Brachialis Brachioradialis Rectus abdominis Internal oblique External oblique Transverse abdominis As well as all muscles from Lab Practical I