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PSE 4U1- MUSCLE QUIZ STUDENT ANSWER SHEET NAME:_______________________________ Part A (K____/15) DATE: __________________ Part B (C____/5) PART A – Knowledge & Understanding Multiple Choice (8 Marks) 1. Which muscle extends the neck? a) b) c) d) e) scalenus medius semispinalis capitis scalenus anterior Splenius Sternocleidomastoid 2. What muscle/s extend and laterally flex the spine? a) b) c) d) e) Spinalis Illiocostalis Illiocostalis & Spinalis Spinalis & Longissimus Illiocostalis, Spinalis & Longissimus 3. What bones are moved most in a Iliocostalis contraction? a) b) c) d) e) Cervical & thoracic vertebrae Ribs & the cervical vertebrae Sacrum, lumbar vertebrae & ribs Ribs & sacrum Cervical vertebrae & sacrum 4. What is the main muscle being exercised when performing crunches/sit-ups? a) b) c) d) e) External oblique Intercostal muscles Rectus abdominis Quadratus lumborum Diaphragm 5. What muscle inserts on the superior aspect of all the ribs? a) b) c) d) e) Rectus abdominis Intercostal muscles Transverse thoracis Diaphragm Longissimus 6. What are the muscles of the abdomen? a) b) c) d) e) Rectus abdominis & external oblique Transverse thoracis, intercostal muscles & diaphragm Spinalis, Longissimus & illiocostalis Rectus abdominis, external oblique & quadratus lumborum External oblique, quadratus lumborum & transverse thoracis 7. What is the origin of the spinalis muscle? a) b) c) d) e) Cervical & thoracic vertebrae Cervical & lumbar vertebrae Thoracic & lumbar vertebrae Cervical vertebrae Lumbar vertebrae 8. What is the least moveable area in a quadratus lumborum contraction? a) b) c) d) e) iliac crest & linea alba iliac crest & pubic crest public crest & lower lumbar vertebrae twelfth rib & upper lumbar vertebrae iliac crest & lower lumbar vertebrae Matching (7 marks) ________________________________________________________________________________________________ A) External Oblique ____ pulls the abdominal wall inward B) Scalenus Anterior ____ inserts on the crest of the first rib C) Diaphragm ____ flexes the head from side to side D) Quadratus Lumborum ____ inserts on the central tendon E) Transverse thoracis ____ distal attachment on the surface of the first rib F) Scalenus Medius ____ originate on the lower 8 ribs G) Sternocleidomastoid ____ origin at the iliac crest and lower lumbar vertebrae PART B- Communication Label the following diagram (5 marks) _________________________________________________________________________________________________ 1. _____________________________ 2. ______________________________ 3. _____________________________ 4. ______________________________ 5. ____________________________