MUSCLES OF THE NECK

Superficial Neck Muscles:

• Sternocleidomastoid

QUESTION:
1. Explain how during unilateral activation, the SCM cancontralaterally rotate the neck

Deep Neck Muscles:

• Scalenes

QUESTION:
2. Would the scalene muscles assist with forced or passiverespiration?

MUSCLES OF THE TRUNK

Axioappendicular Muscles:

• Trapezius

• Rhomboid Major

• Pectoralis Minor

• Latissimus Dorsi

• Rhomboid Minor

• Subclavius

•Levator Scapulae

-Pectoralis Major

-Serratus Anterior

QUESTIONS

3. Which muscles are deep and which ones aresuperficial?

4. Why do pectoralis major and minor have such differentactions?

5. Which muscle is most responsible for a “wingedscapula”?

Back Muscles:

• Iliocostalis • Longissimus • • Semispinalis • Multifidus •Spinalis -Rotatores

QUESTIONS:

6. What is the overall function of the erector spinaemuscle group with bilateral contraction? Unilateralcontraction?

7. What is the overall function of thetransversospinales group with bilateral contraction? Unilateralcontraction?

Abdominal Muscles:

• Rectus Abdominis

• External Oblique

• Tendinous Intersections

• Transversus Abdominis

• Internal Oblique

• Abdominal Aponeurosis

• Linea Alba
• Inguinal Ligament

QUESTION:

8. What is the relative position of each of the 4muscles (i.e. which is deepest, which is mostsuperficial)?

9. What structures underlie the “6-pack” seen in peoplewith strong abdominal muscles?

10.How would you specifically strengthen the obliquemuscles?

ANSWER ALL OF THE BOLDED TEXT ABOVE.