ACTIVITY 2

ACTIVITY 2

ACTIVITY 2

by Alejandro Earl Mateo -
Number of replies: 0
  1. Throwing a baseball overhead
    • Deltoid
      • Action: Abducts arm, flexes and medially rotates arm 
      • Innervation: Axillary nerve
    • Latissimus dorsi
      • Action: Adducts, extends, and medially rotates arm
      • Innervation: Thoracodorsal nerve
  2. Kicking a ball
    • Quadriceps femoris
      • Action: Extends leg at knee joint 
      • Innervation: Femoral nerve
    • Gluteus maximus 
      • Action: Extends, abducts, adducts, and laterally rotates thigh
      • Innervation: Inferior gluteal nerve
  3. Doing sit-ups
    • Rectus abdominis
      • Action: Anteriorly flexes trunk
      • Innervation: Lower thoracoabdominal nerves T7-T12
    • External Oblique
      • Action: Rotates and twists trunk
      • Innervation: Lower thoracoabdominal nerves T7-T12
  4. Breathing
    • Diaphragm
      • Action: Increases thoracic cavity volume when contracting and flattening
      • Innervation: Phrenic nerve C3-C5
    • External intercostals
      • Action: Elevates and expands rib cage
      • Innervation: Intercostal nerves T1-T11