The Calf Muscles
The calf muscles consist of the gastrocnemius and soleus muscles at the back of the lower leg. Gastrocnemius muscle The gastrocnemius muscle is the larger
Muscles
Muscle Strains
A muscle strain, pulled muscle, torn muscle, or muscle rupture is simply a tear of any muscle in the human body. They range from mild
Skeletal Muscle Structure
Skeletal muscle structure consists of bundles of muscle fibres comprised of smaller and smaller elements. 1. Epimysium The epimysium is a protective covering which surrounds
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Muscle Contractions & Sliding Filament Theory
Sliding filament theory explains how muscles contract at a cellular level. Muscles contract concentrially, eccentrically or isometrically depending on whether they are shortening, lengthening or
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Elbow Muscles
The elbow muscles include the triceps brachii, brachioradialis, brachialis, biceps brachii, pronator teres, pronator quadratus, and anconeus. Here we explain the muscles of the elbow
Knee Muscles
The knee joint muscles flex (bend) and extend (straighten) the knee. They consist of the hamstrings at the back of the thigh, the quadriceps at
Ankle Muscles
The ankle muscles include the gastrocnemius, soleus, tibialis posterior, tibialis anterior, peroneus longus, peroneus brevis, flexor hallucis longus, flexor digitorum longus, extensor hallucis longus and
Neck & Back Muscles
The main muscles of the back and spine are the rectus abdominus, internal and external obliques, quadratus lumborum, multifidus, sternocleidomastoid, and erector spinae. Although not strictly
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Shoulder Girdle Muscles
The Shoulder girdle muscles move the clavicle (collar bone) and the scapula (shoulder blade). These generally move together as a unit. The muscles of the
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