ACTIVITY 2

ACTIVITY 2

ACTIVITY 2

by Gabrielle Elysse Dillera -
Number of replies: 0

1. Throwing a baseball overhead

Muscle 1: Deltoid

Action: Shoulder flexion and internal rotation

Innervation: Axillary nerve

Muscle 2: Triceps Brachii

Action: Elbow extension and shoulder extension

Innervation: Radial Nerve

2. Kicking a ball

Muscle 1: Quadriceps

Action: Knee extension and hip flexion

Innervation: Femoral nerve

Muscle 2: Gluteus Maximus

Action: Hip extension and external rotation

Innervation: Inferior gluteal nerve

 3. Sit-ups

Muscle 1: Rectus abdominis

Action: Trunk flexion

Innervation: Thoracoabdominal nerve

Muscle 2: Iliopsoas

Action: Hip flexion

Innervation: Femoral nerve

4. Breathing

Muscle 1: Diaphragm

Action: Contracts to flatten and increase thoracis cavity volyme, causing air to enter the lungs

Innervation: Phrenic nerve

Muscle 2: Internal Intercoastals

Action; Depresses the ribs, reducing thoracc cavity volume during forced exhalation

Innervation: Intercostal nerves