Physiotherapists in Edinburgh treat many different conditions including the issues profiled below.

Muscle Fibre Types

Muscle has three main fibre types which are specialised for different functional abilities. Type 1 muscle fibres, also known as slow twitch fibres, have a good capillary supply and use a mostly aerobic energy system. Type 2 fibres use a non-aerobic energy system more typically and in general the proportion of Type 1 to Type 2 fibres is fixed genetically in an individual. Muscle cells don.t turn over like many other body cells, the muscle continues for the life of the person. Muscles get larger and stronger by the individual muscle cells gaining mass and the number of muscle cells does not change.

Muscles are very adaptive tissues and can respond to altered work demands very much more quickly than other tissues, enabling us to build up the ability to do something new in a short time. The way the muscles are exercised has strong effects on the way muscles adapt to the new stresses. If endurance training is performed, with lower weights and higher repetitions, the largest changes are in the Type 1 slow twitch fibres which exhibit increases in their blood supply and in the enzyme systems which deliver energy. This allows these muscle fibres to contract for longer periods without tiring.

Damage To The Spine By Bending Forward

Injuries sustained in bending occur when the forces involved exceed the coping capacity of the tissues of the spinal structures. The movements of the lumbar spinal bones in a living person undergoing a rapid forward bend are controlled mostly by the strength and length of the disc and ligamentous tissues. Initial damage occurs to the more superficial ligaments which connect the spines of the individual vertebrae posteriorly and if some side bending or twisting motion is added then the capsules of the facet joints can be stretched to their limits. The rear part of the disc wall may act like a ligament in extreme bend, restricting further bending.

In slower bending where a position is held for a time the resistance of the spinal tissues to bending decreases, allowing greater movements between the vertebrae and a slow change in the internal disc alignment. Due to the mechanical properties of the tissues quick movements have an increased likelihood of damaging the ligaments and discs, while holding the spine in flexion for some time may both reduce the protection activity of the back muscles and the ability of the ligaments to protect the lumbar segments as they move.