Table 2. Physiotherapy treatment plan of FHL tendinopathy for adolescent fin swimmers.

PHASES	PERIODE (programme per week)	EXERCISE, METHODS (main exercises)	FREQUENCY (pc/block/day)	AIM
Acute	1-2	RICE and Isometric Exercises: Back location: - Flex the musculus quadriceps femoris; hold for 5 sec. than relax 2 sec. - Flex the leg extensor muscles; hold for 5 sec. than relax 2 sec. Hallux is in neutral state.	5-10 exercises 3-8 times per day (at home)	Pain relief; Holding muscle strength
Recovery	3-4	Improving Range of Motion: Stretching with PIR and PNF technique: - Hallux and ankle extension; hold for 5 sec.; than relax 2 sec.	3 PIR ex/10-20 pc 2 PNF ex/10-20 pc (with physiotherapist)	Holding the ankle and toe mobility
		Active strengthening, own muscle strength - Hallux and ankle flexion: hold for 5 sec. than relax 2 sec.	5 Strength ex/10-20pc (at home)	Strength the plantar flexor muscles with own, active muscle exercises
Maintenance	5-6	Strengthening: Own muscle strength: - Hallux and ankle flexion: hold for 5 sec. than relax 2 sec	5ex/10-20pc (with physiotherapist)	Strength the plantar flexor muscles with gymnastic devices
		Resistance ex. with bands: - Hallux and ankle flexion: hold for 5 sec. than relax 2 sec.	5ex/10-20pc (with physiotherapist)
		Sport-specific physiotherapy: - Prone position; flex the knees, uncles and toes than relax. With bands also.	2ex/10-20pc
		Strength and balance ex. with dyn-air: - Step up to the dyn-air with the patient leg, flex the hallux and the ankle and step back
		Strength and flexibility with Fit-Ball: - Sit on the Fit-Ball; suspension on the ball, step forward and flex the toe and ankle to the floor, step back	2ex/10-20pc
		Sit on the Fit-Ball; lower extremity extended, toe and ankle extended, hold for 5 sec. than relax 2 sec.; step back	2ex/5-10pc

The rehabilitation status was individually controlled by a physiotherapist. PIR - postisometric relaxation; PNF - proprioceptive neuromuscular facilitation; ex - exercises; pc - pieces.