1. Turning a door knob
- Supinator: (Action) Supinates forearm at radioulnar joints;(Innervation) Deep radial nerve
- Brachioradialis: (Action) Flexes forearm at elbow joint, supinates and pronates forearm at radioulnar joints to neutral position ;(Innervation) Radial nerve
- Biceps brachii: (Action) Flexes forearm at elbow joint, supinates forearm at radioulnar joints, and flexes arm at shoulder joint ;(Innervation) Musculocutaneous nerve
2. Throwing a baseball overhead
- Pectoralis major: (Action) Adducts and medially rotates arm at shoulder joint, clavicular head flexes arm, and sternocostal head extends flexed arm to side of trunk ;(Innervation) Medial and lateral pectoral nerves
- Anterior deltoid: (Action) Flex and medially rotate arm at shoulder joint ;(Innervation) Axillary nerve
- Upper trapezius: (Action) Upward rotate scapula, can help extend head ;(Innervation) Accessory (XI) nerve and cervical spinal nerves C3-C5
3. Kicking a ball
- Rectus femoris:(Action) Extend leg at knee joint, flexes thigh at hip joint ;(Innervation) Femoral nerve
- Vastus lateralis:(Action) Extend leg at knee joint ;(Innervation) Femoral nerve
- Vastus medialis:(Action) Extend leg at knee joint ;(Innervation) Femoral nerve
4. Doing sit-ups
- Rectus abdominis:(Action) Flexes vertebral column, compress abdomen, flexes pelvis at vertebral column ;(Innervation) Thoracic spinal nerves T7-T12
- Transversus abdominis:(Action) Compresses abdomen ;(Innervation) Thoracic spinal nerves T8-T12, the iliohypogastric nerve, and ilioinguinal nerve
- Internal obliques:(Action) Compress abdomen and flex vertebral column ;(Innervation) Thoracic spinal nerves T8-T12, the iliohypogastric nerve, and inguinal nerve
5. Walking
- Gluteus maximus:(Action) Extends thigh at hip joint, laterally rotates thigh, helps lock knee in extension, and extends torso;(Innervation) Inferior gluteal nerve
- Biceps femoris:(Action) Flexes leg at knee joint and extends thigh at hip joint ;(Innervation) Tibial and fibular nerves from sciatic nerve
- Semitendinosus: (Action) Flexes leg at knee joint and extends thigh at hip joint ;(Innervation) Tibial nerve from sciatic nerve
6. Breathing
- Diaphragm:(Action) Increases vertical dimension of thoracic cavity--inhalation ;(Innervation) Phrenic nerve (contains axons from cervical spinal nerves (C3-C5))
- External intercostals:(Action) Elevate ribs and increases anteroposterior and lateral dimensions of thoracic cavity (inhalation) ;(Innervation) Thoracic spinal nerves T2-T12
- Internal intercostals:(Action) Draws adjacent ribs together to further decrease anteroposterior and lateral dimensions of thoracic cavity (exhalation) ;(Innervation) Thoracic spinal nerves T2-T12