Return to Home PageLectures 13, 14 & 15: Muscular System
Objectives:
At the end of this session you will be able to state:
The nature and structure of involuntary (unstriated - smooth) muscle is stated and its function in being automatic in sustaining life.
The nature and structure of voluntary (striated) muscle is stated.
The position, attachment and action of muscles of the head and neck are stated.
The position, attachment and action of muscles of the shoulders are stated.
The position, attachment and action of muscles of the upper and lower limbs are stated.
The position, attachment and action of muscles seen on the anterior aspect of the body are stated.
The position, attachment and action of muscles seen on the posterior aspect of the body are stated.
The structure and functions of tendons are stated.
Muscle fatigue is defined and its alleviation specified.
The concept of muscle tone and its improvement is specified.
The effects of temperature and increased blood circulation on muscles are detailed.
Muscles of the Head and Neck: occipito frontalis, temporatis, corrogator, muscles of facial expression, buccinator, risorius, masseter, orbicularis oculi, zygomatic major, mentalis, orbicularis oris, sternomastoid, platysma
Muscles of the Shoulders: trapezius, deltoid, serratus anterior, rhomboids, teres major and minor, levator scapula, subscapularis, coraco-brachialis, supraspinatus, infraspinatus
Muscles of the upper and lower limbs: biceps, triceps, brachialis, pronator teres, brachioradialis, flexors and extensors of the forearm, hamstrings, quadriceps extensor, adductors, tensor fascia lata, sartorius, gastrocnemius, soleus, tibialis anterior, tibialis posterior, peroneal muscles and evertors, extensors and flexors of the toes
Muscles of the anterior aspect of the trunk: pectoralis major and minor, external and internal obliques, intercostal muscles, rectus abdominis, diaphragm, transversalis
Muscles of the posterior aspects of the trunk: quadratus lumborum, psoas, illiacus, erector sprinae, latissimus dorsi, gluteus maximus, gluteus medius and minimus