Muscles Word Scramble
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Muscle | ACTION | ORIGIN | INSERTION |
Sternocleidomastoid | ACTION: Flexion of neck. Lateral flexion and turning of the head. | ORIGIN: Manubrium of sternum; sternal third of clavicle. | INSERTION: Mastoid process; lateral half of superior nuchal line. |
Diaphragm | ACTION: | ORIGIN: | INSERTION: |
External Intercostals | ACTION: Elevates rib cage. | ORIGIN: Inferior border of the ribs. | INSERTION: Superior border of ribs. |
Internal Intercostals | ACTION: Depresses rib cage. | ORIGIN: Superior border of ribs. | INSERTION: Inferior border of ribs. |
External Abdominal Oblique | ACTION: Flexes vertebral column. Compresses abdominal wall. | ORIGIN: Ribs 5-12 | INSERTION: Linea alba. Pubic crest. Pubic tubercle. Iliac crest. |
Internal Abdominal Oblique | ACTION: Flexes vertebral column. Compresses abdominal wall. | ORIGIN: Lumbar fascia. Iliac crest. Inguinal ligament. | INSERTION: Linea alba. Pubic crest. |
Transverse Abdominis | ACTION: Compresses abdominal contents. | ORIGIN: Inguinal ligament. Lumbar fascia. Cartilages of the last 6 ribs. Iliac crest. | INSERTION: Linea alba. Pubic crest. |
Rectus Abdominis | ACTION: Flexes lumbar region of vertebral column. Rotates lumbar region of vertebral column. | ORIGIN: Pubic crest. Pubic symphysis. | INSERTION: Xiphoid process. Ribs 5-7. |
Erector Spinae (Iliocostalis) | ACTION: Extend vertebral column, maintain posture. Lateral flexion when acting on one side. | ORIGIN: Iliac crests (lumborum). Inferior 6 ribs (thoracis) Ribs 3-6 (cervicis) | INSERTION: Angle of ribs (lumborum & thoracis). Cervical vertebrae C6-C4 (cervicis) |
Erector Spinae (Longissimus) | ACTION: | ORIGIN: | INSERTION: |
Erector Spinae (Spinalis) | ACTION: | ORIGIN: | INSERTION: |
Quadratus Lumborum | ACTION: Flexes vertebral column laterally when alone. When together, extends lumbar spine and fixes 12th rib. Maintains upright posture. Assists in forced breathing. | ORIGIN: Iliac crest and lumbar fascia. | INSERTION: Transverse process of upper lumbar vertebrae and lower margin of 12th rib. |
Multifidus | ACTION: | ORIGIN: | INSERTION: |
Transversus Thoracis | ACTION: | ORIGIN: | INSERTION: |
Pectoralis Minor | ACTION: | ORIGIN: | INSERTION: |
Pectoralis Major | ACTION: | ORIGIN: | INSERTION: |
Serratus Anterior | ACTION: Rotates inferior angle of scapula laterally. | ORIGIN: Ribs 1-8 | INSERTION: Vertebral border of the scapula. |
Latissimus Dorsi | ACTION: | ORIGIN: | INSERTION: |
Scalenes | ACTION: Elevates ribs. Flexion of the neck. | ORIGIN: Transverse processes of cervical vertebrae (C1 - C7) | INSERTION: Ribs 1-2 |
Trapezius | ACTION: Elevates, depresses, rotates and adducts scapula. | ORIGIN: Occipital bone. Spinous processes of C7-T12. | INSERTION: Lateral third of the clavicle. Spine of scapula. Acromion process of scapula. |
Created by:
lhp001
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