- Turning a doorknob
- Muscles – supinator, pronator teres, and pronator quadrates muscles
- Action – when turning the doorknob, the arm is undergoing supination and pronation
- Innervation – the median nerve
- Throwing a baseball overhead
- Muscles – pectoralis major, trapezius, serratus anterior, deltoid, triceps, biceps
- Action – shoulder is going into horizontal forward flexion as the scapula contracts, the elbow is also extended
- Innervation – medial pectoral nerve, lateral pectoral nerve, Cranial nerve XI, long thoracic nerve, Axillary nerve, musculocutaneous nerve C5, C6, C7, and radial nerve
- Kicking a ball
- Muscles – Hamstrings, quadriceps, glutes, core muscles
- Action – the leg is brought back, then the knee is being extended will the hip is flexed
- Innervation – sciatic nerve, Femoral nerve, inferior gluteal nerve, and subcostal nerve
- Doing sit-ups
- Muscles – Rectus abdominis, Transverse abdominis, Internal and external obliques
- Action – contraction of muscles
- Innervation – thoracoabdominal nerves, lower intercostal nerves, lower six thoracic spinal nerves
- Walking
- Muscles – Hamstrings, calves, quadriceps
- Action – extension and flexion of the legs
- Innervation – sciatic nerve, tibial nerve, femoral nerve
- Breathing
- Muscle – diaphragm, rib cage muscles, abdominal muscles
- Action – chest expands and contracts, diaphragm contracts and relaxes
- Innervation – phrenic nerve, anterior rami of spinal nerves T1-T11, terminal branches of the anterior rami of spinal nerves T6-T12