What is a Tendinous muscle?
tendon, tissue that attaches a muscle to other body parts, usually bones. Tendons are the connective tissues that transmit the mechanical force of muscle contraction to the bones; the tendon is firmly connected to muscle fibres at one end and to components of the bone at its other end.
What is the knot of Henry on the foot?
The knot of Henry is the superficial (i.e. plantar) crossing of the flexor digitorum longus tendon obliquely over the flexor hallucis longus tendon in the midfoot, at the level of the navicular bone. Distally to the knot of Henry there are connections, sometimes multiple, between the two tendons.
How does tendon connect to bone?
At fibrous entheses, the tendon or ligament attaches either directly to the bone or indirectly to it via the periosteum. In both cases, dense fibrous connective tissue connects the tendon/ligament to the periosteum and there is no evidence of (fibro)cartilage differentiation (Fig.
Are tenocytes fibroblasts?
Tenocytes are tendon cells that secrete and build up the ECM with its components. These cells are longish and slender in their morphology and similar to fibroblasts. They are “specialized” fibroblasts (see Fig. 1.6 for the morphology of tenocytes and tenoblasts).
What is the difference between involuntary and voluntary muscle movement?
Voluntary muscles can be controlled by our conscious thought, e.g. the muscles in our hands as we catch a ball. Involuntary muscles, like those that control the beating of the heart, do not require conscious thought to make them move even though their action is still controlled by the nervous system.
How do you treat knot of Henry?
Surgical treatment includes release of the knot of Henry, debridement and repair of the longitudinal split in the FHL, and excision of the interconnecting tendon between the FHL and the flexor digitorum longus.
Why is it called the knot of Henry?
Introduction. The term, “Master Knot by Henry, or equivalently used Henry’s Knot ” was first identified as referring to the intersection territory, where the tendon of flexor digitorum longus (FDL) crosses over the tendon of flexor hallucis longus (FHL).
What is the difference between a tendon and ligament?
A tendon serves to move the bone or structure. A ligament is a fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable.
How long does it take for a tendon to attach to bone?
By 26 weeks, continuity between the collagen fibres of the tendon and the surrounding bone was observed throughout the length of the bone tunnel, resembling a fibrous enthesis. In a patella reattachment model in adult sheep, the healing of the bone-tendon interface generated a fibrocartilaginous enthesis35.
What is tenosynovitis of the flexor hallucis longus?
Abstract. Background: Tenosynovitis of the flexor hallucis longus (FHL) tendon is a condition typically found in ballet dancers and sometimes in soccer players and is related to chronic overuse. A traumatic cause for this situation, such as an ankle sprain, is considered rare.
What are tendons in the foot and ankle?
Tendons are thick bands of tissue that connect muscles to bone. When a muscle contracts, the tendon pulls on the bone causing the joint to move. There are a number of tendons located in the foot and ankle all responsible for different ankle, foot and toe movements.
What is a tendinous intersection?
Tendinous intersection. The rectus abdominis muscle is crossed by three fibrous bands called the tendinous intersections or tendinous inscriptions. One is usually situated at the level of the umbilicus, one at the extremity of the xiphoid process, and the third about midway between the two. These intersections pass transversely…
What causes the tendons in the foot to move?
When a muscle contracts, the tendon pulls on the bone causing the joint to move. There are a number of tendons located in the foot and ankle all responsible for different ankle, foot and toe movements.
What are the tendinous intersections of the rectus abdominis?
The rectus abdominis muscle is crossed by three fibrous bands called the tendinous intersections or tendinous inscriptions. One is usually situated at the level of the umbilicus, one at the extremity of the xiphoid process, and the third about midway between the two. These intersections pass transversely…