ACTIVITY 2

Dy, Colleen Ysabel

Dy, Colleen Ysabel

by Colleen Ysabel Dy -
Number of replies: 0
  • Throwing a baseball overhead
    • Teres Major, Subscapularis
    • teres major action/innervation: produce movements of the arm on the shoulder joint; lower subscapular nerve
    • subscapularis action/innervation: internally rotates and adducts the humerus;an upper and a lower subscapular nerve
  • Kicking a ball
    • quadriceps, hamstrings,
    • quadriceps action/innervation:kicking, jumping, cycling and running.; femoral nerve (L2-L4).
    • hamstrings action/innervation: extend the hip and flex the knee. ; nerves that arise from the lumbar and sacral plexuses.
  • Doing sit-ups
    • rectus abdominis, transverse abdominis,
    • rectus abdominis action/ innervation: Flexion of the trunk (flexion of thoracic and lumber spine).; thoracoabdominal nerves,
    • transverse abdominis action/ innervation: support the torso by maintaining abdominal wall tension which stabilizes the spine and pelvis ; the terminal branches of the lower five intercostal nerves and the subcostal nerve
  • Breathing
    • the diaphragm, the rib cage muscles
    • the diaphragm action/innervation: the diaphragm contracts and flattens and the chest cavity enlarges. The diaphragm relaxes and returns to its original shape, and air is forced out of the lungs.; phrenic nerve.
    • rib cage muscles action/innervation: enable expiration by depressing the ribs, thus shrinking the diameter of the thoracic cavity and pushing the air out of the lungs.; the spinal nerves